ETHANOLAMINE
HAZARDTEXT ®
Information to help in the initial response for evaluating chemical incidents
-IDENTIFICATION
SYNONYMS
Aethanolamin Aminoethanol Ethanol, 2-amino- Aethanolamin (German) 2-Aminoaethanol (German) 2-Aminoetanolo (Italian) 2-Aminoethanol beta-Aminoethyl alcohol Colamine Etanolamina Etanolamina (Italian) Ethanol, 2-amino- (solution) beta-Ethanolamine Ethylolamine Glycinol beta-Hydroxyethylamine 2-hydroxyethanamine 2-Hydroxyethylamine Kolamin MEA Monoaethanolamin Monoaethanolamin (German) Monoethanolamine Monoethanolamine solution Olamine Thiofaco M-50 USAF EK-1596 USAF EK-1597 Molecular Formula: C2-H7-N-O NIOSH/RTECS KJ 5775000 CAS 141-43-5 References: RTECS, 1988; Sax, 1984; Budavari, 1989 Aethanolaminum oleate Monoethanolamine oleate Olamine oleate 2-hydroxyethylamine oleate 2-Aminoethanol oleate Molecular Formula: C20-H41-N-O3
Aethanolamin Aminoethanol Ethanol, 2-amino- Aethanolamin (German) 2-Aminoaethanol (German) 2-Aminoetanolo (Italian) 2-Aminoethanol beta-Aminoethyl alcohol Colamine Etanolamina Etanolamina (Italian) Ethanol, 2-amino- (solution) beta-Ethanolamine Ethylolamine Glycinol beta-Hydroxyethylamine 2-hydroxyethanamine 2-Hydroxyethylamine Kolamin MEA Monoaethanolamin Monoaethanolamin (German) Monoethanolamine Monoethanolamine solution Olamine Thiofaco M-50 USAF EK-1596 USAF EK-1597 Molecular Formula: C2-H7-N-O NIOSH/RTECS KJ 5775000 CAS 141-43-5 References: RTECS, 1988; Sax, 1984; Budavari, 1989
IDENTIFIERS
SYNONYM REFERENCE
- (Ariel GlobalView, 2002;((CRS, 2002); RTECS , 2002)
USES/FORMS/SOURCES
Ethanolamine is an alkanolamine compound with wide industrial use (Clayton & Clayton, 1982): for purification of natural gas and other gases through removal of acidic compounds such as carbonyl sulfide, hydrogen, carbon monoxide, and hydrogen sulfide (ITI, 1995; Sittig, 1991; Verschueren, 2001); a corrosion inhibitor and rubber accelerator (ITI, 1995; Lewis, 2001; Verschueren, 2001); in the process of softening hides and as an alkaline conditioning agent (Proctor & Hughes, 1978; Sittig, 1991; Lewis, 2001); as an intermediate compound in chemical synthesis (especially for ammonia, where it is a scrubber for the gas streams), in the manufacture of pharmaceutical agents (antibiotics) and non-ionic surfactants (ITI, 1995; Proctor & Hughes, 1978) ACGIH, 1986; (Sittig, 1991; Lewis, 2001; Verschueren, 2001) (These non-ionic surfactants are then used in dry cleaning, wool treatment, emulsion paints, polishes, and agricultural sprays (Lewis, 2001).); as a dispersing agent for various agricultural chemicals (Gosselin et al, 1984) ACGIH, 1986; (Lewis, 2001); as an antimicrobial in metalworking fluids, where its effects are greatly enhanced by keeping the fluids at high pH (Sandin et al, 1990). Ethanolamine, in dilute solutions, has also been considered for use as an initial skin decontaminant following military chemical warfare agent exposure (Klain et al, 1985). Ethanolamine is found as an emulsifier in polishes and hair wave solutions and in detergents, dyes, and textiles (Gosselin et al, 1984; Anon, 1968) ACGIH, 1986; (Lewis, 2001; Sittig, 1991), but is usually present as a neutral salt of one of a number of acids in consumer products (Lewis, 1998). It is used therapeutically as an injectable sclerosing agent in humans (Harbison, 1998). Ethanolamine is a metabolic intermediate in some animal species, aiding in the formation of phospholipids and choline (Howard, 1990).
Ethanolamine is a clear, colorless, viscous, hygroscopic liquid with a slightly ammonia-like odor (AAR, 2000; Budavari, 2000; Lewis, 2001; Verschueren, 2001). Ethanolamine is available in NF and technical grades (Lewis, 2001). NF grade material is 85 percent ethanolamine and 15 percent water (CHRIS , 2002). The commercial grade material is 99 plus percent ethanolamine (CHRIS , 2002).
Ethamolin(R), ethanolamine oleate 5% injection for local intravenous use is available from Glaxo Pharmaceuticals as a 2 mL ampule (Prod Info, 1989).
Reaction of ammonia with ethylene oxide results in a mixture of mono-, di-, and triethanolamines (Lewis, 2001). Large-scale production is done by ammonolysis of ethylene oxide. Ethanolamine can also be prepared from nitromethane and formaldehyde (Budavari, 2000). Ethanolamine is found in small amounts in normal human urine; excretion rates range from 5 to 23 mg/day (Lewis, 1998; Zenz, 1994). It is excreted by the algae Ochromonas danica (Verschueren, 2001).
-CLINICAL EFFECTS
GENERAL CLINICAL EFFECTS
- USES: Ethanolamine is a sclerosing agent used primarily for the treatment of esophageal varices with recent bleeding. It also has widespread use in industry.
- PHARMACOLOGY: Ethanolamine and oleic acid trigger an inflammatory response resulting in fibrosis and possible occlusion of the vein both in intravascularly and extravascularly. Oleic acid also activates coagulation in vivo by releasing tissue factor and activation of Hageman factor (Factor XII), but the ethanolamine component does not inhibit fibrin clot formation by chelating calcium so that a procoagulant action has not been demonstrated.
- EPIDEMIOLOGY: Overdose is rare.
ADVERSE EFFECTS: COMMON: Pleural effusion, esophageal ulcer, pyrexia, retrosternal pain, esophageal stricture. LESS COMMON: Esophagitis, tearing of the esophagus, sloughing of the mucosa overlying the injected varix, necrosis, periesophageal abscess and perforation. RARE: bacteremia, anaphylactic shock, acute renal failure and disseminated intravascular coagulation.
- POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
ACUTE CLINICAL EFFECTS
PHARMACOLOGY: Ethanolamine and oleic acid trigger an inflammatory response resulting in fibrosis and possible occlusion of the vein both in intravascularly and extravascularly. Oleic acid also activates coagulation in vivo by releasing tissue factor and activation of Hageman factor (Factor XII), but the ethanolamine component does not inhibit fibrin clot formation by chelating calcium so that a procoagulant action has not been demonstrated. EPIDEMIOLOGY: Overdose is rare. THERAPEUTIC: ADVERSE EFFECTS: COMMON: Pleural effusion, esophageal ulcer, pyrexia, retrosternal pain, esophageal stricture. LESS COMMON: Esophagitis, tearing of the esophagus, sloughing of the mucosa overlying the injected varix, necrosis, periesophageal abscess and perforation. RARE: bacteremia, anaphylactic shock, acute renal failure and disseminated intravascular coagulation. TOXICITY: Injection of too large a volume of ethanolamine can result in intramural necrosis of the esophagus with complications leading to death. It is a pulmonary, GI, skin and eye irritant.
VASCULAR INSUFFICIENCY OF INTESTINE: Extensive esophageal necrosis and death have been reported from direct injection of sclerosing agents (Prod Info ETHAMOLIN(R) IV injection, 2006). Complications of submucosally injected ethanolamine oleate have included delayed esophageal perforation, necrosis, and ulceration (Prod Info ETHAMOLIN(R) IV injection, 2006). STRICTURE OF ESOPHAGUS: Esophageal stricture, tearing of the esophagus, retrosternal pain, and perforation have been infrequently reported (incidence less than 5%) with therapeutic use of ethanolamine (Prod Info ETHAMOLIN(R) IV injection, 2006).
ACUTE RENAL FAILURE SYNDROME: Two women who had received 15 to 20 mL of ethanolamine oleate injection developed acute renal failure, followed by spontaneous recovery within 3 weeks (Prod Info ETHAMOLIN(R) IV injection, 2006; Maling & Cretney, 1975).
EYE IRRITATION: Severe eye irritation occurs with direct liquid contact (Lewis, 2000; Grant, 1986; ACGIH, 1991).
PLEURAL EFFUSION: Pleural effusion and infiltration has been reported with ethanolamine therapy (incidence 2.1%)(Prod Info ETHAMOLIN(R) IV injection, 2006). ACUTE LUNG INJURY: In one case, a 65-year-old man developed acute respiratory distress syndrome (ARDS) and died 4 days after intentionally ingesting 600 mL of an alkaline detergent (pH 11.7) that contained 3.3% monoethanolamine (MEA). Autopsy findings were suggestive of significant aspiration of the detergent (necrotic respiratory mucous membranes and hemorrhagic congestion of the lungs) (Kamijo et al, 2004).
CHRONIC CLINICAL EFFECTS
Skin and eye irritation are the main occupational hazards with chronic monoethanolamine exposure (Anon, 1968). It has been reported to cause itching and inflammation of the skin (Tsyrkukov, 1975) and irritant and allergic contact dermatitis (Paustovskaya, 1973). Chronic occupational exposure reportedly was associated with chronic bronchitis, liver damage, weakness, and fatigue (Sidorov & Timofeevskaya, 1979; Paustovskaya, 1973). Occupational asthma has also been reported with chronic exposure (Kabe, 1971).
- ANIMAL STUDIES: Rats chronically exposed to monoethanolamine had degenerative changes in the liver, heart, and lungs (Beyer, 1983). Rats exposed orally to 640 mg/kg/day or more had alterations in kidney and liver weights; deaths occurred at a dose of 1280 mg/kg/day (Knaak et al, 1997). The no-effect level for dogs, rats, and guinea pigs exposed by inhalation was 15 ppm (Weeks, 1960). Dogs exposed to an airborne concentration of 100 ppm for 30 days were apathetic and had poor appetite (HSDB , 2002). No treatment-related effects were seen in a 2-year dog study with oral doses of 22 mg/kg/day (Knaak et al, 1997).
-MEDICAL TREATMENT
LIFE SUPPORT
- Support respiratory and cardiovascular function.
SUMMARY
- FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.
FIRST AID EYE EXPOSURE: Immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Primary eye protection (spectacles or goggles), as defined by the Occupational Safety and Health Administration (OSHA), should be used when working with this chemical. Face shields should only be worn over primary eye protection. DERMAL EXPOSURE: Flush the contaminated skin with water promptly. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water promptly. If irritation persists after washing, get medical attention. INHALATION EXPOSURE: Move the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the affected person warm and at rest. Get medical attention as soon as possible. ORAL EXPOSURE: If this chemical has been swallowed, get medical attention immediately. TARGET ORGANS: Eyes, skin, respiratory system, and central nervous system (National Institute for Occupational Safety and Health, 2007).
INHALATION EXPOSURE INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with an inhaled beta2-adrenergic agonist. Consider systemic corticosteroids in patients with significant bronchospasm. Observe patients carefully for the development of acute lung injury. ACUTE LUNG INJURY: Maintain ventilation and oxygenation and evaluate with frequent arterial blood gases and/or pulse oximetry monitoring. Early use of PEEP and mechanical ventilation may be needed.
EYE EXPOSURE DECONTAMINATION: Remove contact lenses and irrigate exposed eyes with copious amounts of room temperature 0.9% saline or water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist after 15 minutes of irrigation, the patient should be seen in a healthcare facility.
DERMAL EXPOSURE ORAL EXPOSURE Because of the potential for gastrointestinal tract irritation or CNS depression, DO NOT induce emesis. DILUTION: If no respiratory compromise is present, administer milk or water as soon as possible after ingestion. Dilution may only be helpful if performed in the first seconds to minutes after ingestion. The ideal amount is unknown; no more than 8 ounces (240 mL) in adults and 4 ounces (120 mL) in children is recommended to minimize the risk of vomiting.
-RANGE OF TOXICITY
MINIMUM LETHAL EXPOSURE
- Six grams is an estimated fatal dose of ethanolamine for a 150 pound adult (Sittig, 1991).
- CASE REPORT: A 65-year-old man intentionally ingested 600 mL of an alkaline detergent (pH 11.7) that contained 3.3% monoethanolamine (MEA). He presented 1.5 hours later with complaints of dyspnea, and he reported vomiting with choking several times. Respiratory function continued to decline, necessitating intubation 6 hours later, and imaging was consistent with acute respiratory distress syndrome (ARDS). Liver and renal damage was evident, and the patient expired on hospital day 4 due to ARDS progression. The patient had ingested approximately 0.3 grams/kg of MEA (Kamijo et al, 2004).
Four of six guinea pigs died when exposed to a 233 ppm concentration for one hour (Anon, 1968; Hathaway et al, 1996). Exposure to a concentration of 75 ppm for 24 days killed 75% of a group of guinea pigs. Eighty-three percent of a group of rats exposed to 66 ppm for 28 days died (Anon, 1968). Deaths occurred in a group of rats fed 1.28 grams/kg/day for 90 days (ACGIH, 1991).
MAXIMUM TOLERATED EXPOSURE
- Ethanolamine is irritating to skin, eyes, and mucous membranes. It is toxic by ingestion, dermal contact, subcutaneous, intravenous, and intramuscular routes. It is poisonous through intraperitoneal administration (HSDB , 2002; Lewis, 2000).
- Exposure to ethanolamine or its vapors can cause wheezing, laryngitis, shortness of breath, skin and eye redness and burns, dermatitis, blurred vision, sore throat, coughing and respiratory distress, headache, lethargy, increased blood pressure (but hypotension at high concentrations), diuresis, salivation, pupillary dilation, and necrosis. Ingestion can cause burns to the mouth and esophagus, abdominal pain, nausea, vomiting, central nervous system depression, coma, kidney and liver damage ((ICSC, 2001); NTP , 2001; Snyder et al, 1990; Zenz, 1994).
- Persons suffering from asthma, pre-existing skin disorders, or impaired liver, kidney, or pulmonary function may be more susceptible to the effects of exposure to ethanolamine (NTP , 2001).
- The undiluted liquid caused redness and swelling similar to a first degree burn when applied directly to the skin for 1.5 hours (ACGIH, 1986; (Proctor & Hughes, 1978; Snyder et al, 1990).
- The standard local intravenous dose for sclerotherapy of esophageal varices is 1.5 to 5 mL of ethanolamine oleate 5% solution per varix, not to exceed a total dose of 20 mL per session. Patients with significant liver dysfunction or concomitant cardiopulmonary disease should usually receive a maximum dose per session of less than 20 mL(Prod Info ETHAMOLIN(R) IV injection, 2006).
RATS: Ethanolamine fed to rats at 320 mg/kg/day for 90 days caused no observable effects (ACGIH, 1991). Chronic inhalation exposures of 100 ppm for 30 days resulted in dermal irritation, apathy, hair loss, and poor appetites in dogs, rats, or guinea pigs; similar exposure to 12 to 26 ppm for 90 days caused similar, but less severe, symptoms (ACGIH, 1991; Proctor & Hughes, 1978). RABBITS: One drop of undiluted liquid caused severe eye irritation in rabbits. Undiluted liquid applied to the skin caused redness and swelling (ACGIH, 1991). DOGS: Dogs exposed to 5 ppm for 90 days resulted in slight and temporary weight loss, and a minor decrease in activity and alertness (ACGIH, 1991). DOGS/CATS: Dogs and cats survived exposure to 900 ppm for 4 days (Hathaway et al, 1996).
- Carcinogenicity Ratings for CAS141-43-5 :
ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed ; Listed as: Ethanolamine EPA (U.S. Environmental Protection Agency, 2011): Not Listed IARC (International Agency for Research on Cancer (IARC), 2016; International Agency for Research on Cancer, 2015; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010a; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2008; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2007; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2006; IARC, 2004): Not Listed NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed ; Listed as: Ethanolamine MAK (DFG, 2002): Not Listed NTP (U.S. Department of Health and Human Services, Public Health Service, National Toxicology Project ): Not Listed
TOXICITY AND RISK ASSESSMENT VALUES
- EPA Risk Assessment Values for CAS141-43-5 (U.S. Environmental Protection Agency, 2011):
References: ACGIH, 1991 Budavari, 2000 CHRIS, 2002 NTP, 2001 OHM/TADS, 2002 RTECS, 2002 Snyder et al, 1990 LD50- (ORAL)GUINEA_PIG: LD50- (INTRAPERITONEAL)MOUSE: LD50- (ORAL)MOUSE: 700 mg/kg -- somnolence, dyspnea, muscle spasticity 1475 mg/kg (OHM/TADS, 2002)
LD50- (ORAL)RABBIT: LD50- (SKIN)RABBIT: LD50- (INTRAMUSCULAR)RAT: LD50- (INTRAPERITONEAL)RAT: LD50- (INTRAVENOUS)RAT: LD50- (ORAL)RAT: 1720 mg/kg 2050 mg/kg (NTP, 2001; OHM/TADS, 2002) 3.32 g/kg (ACGIH, 1991) 0.5 to 5 g/kg (CHRIS, 2002) 2100 mg/kg (OHM/TADS, 2002) 3320 mg/kg (OHM/TADS, 2002; Snyder et al, 1990) 2140 mg/kg (OHM/TADS, 2002) 10,200 mg/kg for 14D (Budavari, 2000; OHM/TADS, 2002) 2740 mg/kg (Snyder et al, 1990) male, 1970 mg/kg (Snyder et al, 1990) female, 1720 mg/kg (Snyder et al, 1990)
LD50- (SKIN)RAT: LD50- (SUBCUTANEOUS)RAT: TCLo- (INHALATION)DOG: TCLo- (INHALATION)GUINEA_PIG: TCLo- (INHALATION)RAT: 66 ppm for 24H/30D: continuous -- somnolence, irritative dermatitis, death 300 mg/m(3) for 5H/26W: intermittent -- proteinuria, changes in urine composition, weight loss or decreased weight gain 400 mg/m(3) for 5H/26W: intermittent -- respiratory depression, impaired liver function, proteinuria
TDLo- (ORAL)RAT: female, 4500 mg/kg at 6-15D of pregnancy -- maternal effects female, 500 mg/kg at 6-15D of pregnancy -- developmental abnormalities of the urogenital system female, 500 mg/kg at 6-15D of pregnancy -- developmental abnormalities of the musculoskeletal system, fetotoxicity, fetal death 105 mg/kg for 30W: intermittent -- impaired liver function, changes in liver weight, weight loss or decreased weight gain 115 g/kg for 90D: continuous -- changes in bladder and liver weights, death
TDLo- (SKIN)RAT:
CALCULATIONS
1 ppm = 0.002495 mg/L (Anon, 1968) 1 ppm = 2.50 mg/m(3) (at 68 degrees F and 760 mm Hg) (NIOSH , 2002) 1 mg/l = 401 ppm (Anon, 1968)
-STANDARDS AND LABELS
WORKPLACE STANDARDS
- ACGIH TLV Values for CAS141-43-5 (American Conference of Governmental Industrial Hygienists, 2010):
Editor's Note: The listed values are recommendations or guidelines developed by ACGIH(R) to assist in the control of health hazards. They should only be used, interpreted and applied by individuals trained in industrial hygiene. Before applying these values, it is imperative to read the introduction to each section in the current TLVs(R) and BEI(R) Book and become familiar with the constraints and limitations to their use. Always consult the Documentation of the TLVs(R) and BEIs(R) before applying these recommendations and guidelines.
- AIHA WEEL Values for CAS141-43-5 (AIHA, 2006):
- NIOSH REL and IDLH Values for CAS141-43-5 (National Institute for Occupational Safety and Health, 2007):
Listed as: Ethanolamine REL: IDLH: IDLH: 30 ppm Note(s): Not Listed
- OSHA PEL Values for CAS141-43-5 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):
- OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS141-43-5 (U.S. Occupational Safety and Health Administration, 2010):
ENVIRONMENTAL STANDARDS
- EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS141-43-5 (U.S. Environmental Protection Agency, 2010):
- EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS141-43-5 (U.S. Environmental Protection Agency, 2010):
- EPA RCRA Hazardous Waste Number for CAS141-43-5 (U.S. Environmental Protection Agency, 2010b):
- EPA SARA Title III, Extremely Hazardous Substance List for CAS141-43-5 (U.S. Environmental Protection Agency, 2010):
- EPA SARA Title III, Community Right-to-Know for CAS141-43-5 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):
- DOT List of Marine Pollutants for CAS141-43-5 (49 CFR 172.101 - App. B, 2005):
- EPA TSCA Inventory for CAS141-43-5 (EPA, 2005):
SHIPPING REGULATIONS
- DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 2491 (49 CFR 172.101, 2005):
- ICAO International Shipping Name for UN2491 (ICAO, 2002):
LABELS
- NFPA Hazard Ratings for CAS141-43-5 (NFPA, 2002):
Listed as: Ethanolamine Hazard Ratings: Health Rating (Blue): 3 (3) Seriously toxic material. Short term exposure could cause serious temporary or residual injury even though prompt medical treatment is given. Includes known or suspect small animal carcinogens, mutagens, or teratogens.
Flammability Rating (Red): 2 Instability Rating (Yellow): 0 Oxidizer/Water-Reactive Designation: Not Listed
-HANDLING AND STORAGE
SUMMARY
Wear adequate personal protective clothing and equipment, including gloves, footwear, safety goggles, and respiratory protection, when handling ethanolamine, working around spills or leaks, or when fighting fires (AAR, 2000; ITI, 1995; NFPA, 2002a). Protect against eye and skin contact (NIOSH , 2002). Avoid contact with liquid ethanolamine. Avoid breathing its vapors (AAR, 2002; (CHRIS , 2002).
HANDLING
- Do not handle leaking containers unless wearing protective equipment (AAR, 2000).
- Chemical protective clothing should be worn when handling ethanolamine. However, rubber gloves are not recommended ((ICSC, 2001)).
- If Tyvek-type disposable chemical protective clothing is not worn when working with ethanolamine, attach disposable Tyvek-type sleeves to your gloves (NTP , 2001).
- If skin becomes contaminated, immediately flush the affected areas with water. Remove and replace any contaminated clothing (NIOSH , 2002).
- If the chemical contacts the eyes, they should be flushed for at least 15 minutes with flowing water (OHM/TADS , 2002).
STORAGE
Ethanolamine is stored in tank and compartment cars, drums, cans, and bottles (OHM/TADS , 2002). Stainless steel or aluminum containers are recommended (OHM/TADS , 2002). Containers of ethanolamine should be kept tightly closed (NTP , 2001; Sittig, 1991). Ethanolamine attacks iron, plastics, rubber, aluminum, copper, and alloys of these metals (AAR, 2000; NFPA, 2002a; OHM/TADS , 2002; Pohanish & Greene, 1997). Protect containers from physical damage (ITI, 1995). Rubber hoses should not be used to transfer ethanolamine (OHM/TADS , 2002).
- ROOM/CABINET RECOMMENDATIONS
Ethanolamine should be stored in a well-ventilated, refrigerated, inert environment, away from sources of ignition (ITI, 1995; NTP , 2001; Sittig, 1991). Protect containers of ethanolamine from exposure to light (NTP , 2001).
Ethanolamine reacts with oxidizing materials, acids, and halogenated hydrocarbons with generation of heat (NFPA, 2002a). It may react with iron, producing an unstable and pyrophoric complex trisethanolaminoiron (NFPA, 2002a). It also attacks plastics, rubber, aluminum, copper, tin, and alloys of these metals (AAR, 2000; OHM/TADS , 2002; Pohanish & Greene, 1997). Ethanolamine may react violently with acids, organic anhydrides, isocyanates, alkylene oxides, aldehydes, alcohols, glycols, phenols, and cresols, including the following compounds: acetic acid, acetic anhydride, acrolein, acrylic acid, acrylonitrile, chlorosulfonic acid, epichlorohydrin, hydrochloric acid, hydrofluoric acid, mesityl oxide, nitric acid, oleum, sulfuric acid, beta-propiolactone, vinyl acetate, caprolactam solution, and cellulose (Lewis, 2000; NTP , 2001; Pohanish & Greene, 1997).
-PERSONAL PROTECTION
SUMMARY
- RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection. fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
- Ethanolamine presents a heath hazard through inhalation, ingestion, and skin and/or eye contact. Adequate personal protective clothing and equipment should be worn to prevent skin and eye contact. Respiratory protection should also be worn (NIOSH , 2002; NFPA, 2002a).
EYE/FACE PROTECTION
- Ethanolamine is irritating to the eyes. Wear full face-shield or splash-proof safety goggles with side shields when working around ethanolamine. An eye wash facility should be available in areas where this chemical may be encountered (CHRIS , 2002; NTP , 2001; OHM/TADS , 2002).
- Contact lenses should not be worn when working with ethanolamine (NIOSH , 2002).
- Prevent eye contact with ethanolamine. If the eyes become contaminated, hold eyelids open and flush with copious amounts of water for at least 15 minutes (CHRIS , 2002; OHM/TADS , 2002).
RESPIRATORY PROTECTION
- Avoid breathing ethanolamine vapors. A positive pressure self-contained breathing apparatus should be worn when working around this chemical (CHRIS , 2002; NFPA, 2002a).
- Refer to "Recommendations for respirator selection" in the NIOSH Pocket Guide to Chemical Hazards on TOMES Plus(R) for respirator information.
PROTECTIVE CLOTHING
- CHEMICAL PROTECTIVE CLOTHING. Search results for CAS 141-43-5.
ENGINEERING CONTROLS
- An eyewash facility should be available in areas where this chemical may be encountered (CHRIS , 2002; NIOSH , 2002; OHM/TADS , 2002).
-PHYSICAL HAZARDS
FIRE HAZARD
POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004) Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Those substances designated with a "P" may polymerize explosively when heated or involved in a fire. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.
Ethanolamine presents a moderate fire hazard when exposed to heat or flames. It is a combustible liquid (Lewis, 2000; NFPA, 2002a; NTP , 2001). Contact with strong oxidizers may cause fire or explosions (Pohanish & Greene, 1997). The addition of N,N-dimethyl-N,N'-dinitrosoterephthalamide to a flask containing a residue of ethanolamine resulted in the evolution and ignition of diazomethane and the dry nitrosamide powder (Urben, 1999).
- FLAMMABILITY CLASSIFICATION
- NFPA Flammability Rating for CAS141-43-5 (NFPA, 2002):
Listed as: Ethanolamine Flammability Rating: 2
- FIRE CONTROL/EXTINGUISHING AGENTS
- SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
- LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
Dry chemical, CO2, alcohol-resistant foam or water spray. Move containers from fire area if you can do it without risk. Dike fire control water for later disposal; do not scatter the material.
- TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire.
- NFPA Extinguishing Methods for CAS141-43-5 (NFPA, 2002):
- Use water spray, dry chemical, "alcohol resistant" foam, or carbon dioxide to fight fire (AAR, 2000; CHRIS , 2002; Lewis, 2000; NFPA, 2002a; ITI, 1995).
- Spray water to cool down fire-exposed containers. If the material is not on fire, spray water to disperse vapors (AAR, 2000; CHRIS , 2002; ITI, 1995).
When heated to decomposition, ethanolamine emits toxic fumes of oxides of nitrogen (AAR, 2000; Lewis, 2000; OHM/TADS , 2002).
EXPLOSION HAZARD
- Ethanolamine vapors may form explosive mixtures with air (Pohanish & Greene, 1997).
- Contact with strong oxidizers may cause fire or explosions (Pohanish & Greene, 1997).
- Ethanolamine may react violently with acids, organic anhydrides, isocyanates, alkylene oxides, aldehydes, alcohols, glycols, phenols, and cresols, including the following compounds: acetic acid, acetic anhydride, acrolein, acrylic acid, acrylonitrile, chlorosulfonic acid, epichlorohydrin, hydrochloric acid, hydrofluoric acid, mesityl oxide, nitric acid, oleum, sulfuric acid, beta-propiolactone, vinyl acetate, caprolactam solution, and cellulose ((ICSC, 2001); Lewis, 2000; NTP , 2001; Pohanish & Greene, 1997).
DUST/VAPOR HAZARD
- Ethanolamine vapors are irritating and corrosive to eyes, skin, and mucous membranes. Exposure may cause irritation of the pulmonary system, and may result in respiratory distress, cough, shortness of breath, sore throat, headache, lethargy, and mild degenerative changes in the liver and kidney; these symptoms may be delayed ((ICSC, 2001); Lewis, 1998; NFPA, 2002a; NIOSH , 2002; NTP , 2001).
- Inhalation of ethanolamine vapors may aggravate symptoms of asthma ((ICSC, 2001); NTP , 2001).
- When heated to decomposition, ethanolamine emits toxic and irritating fumes of oxides of nitrogen (AAR, 2000; Lewis, 2000; OHM/TADS , 2002).
REACTIVITY HAZARD
- Ethanolamine reacts with oxidizing materials, acids, and halogenated hydrocarbons with generation of heat (NFPA, 2002a).
- It may react with iron, producing an unstable and pyrophoric complex trisethanolaminoiron (NFPA, 2002a).
- It also attacks plastics, rubber, aluminum, copper, tin, and alloys of these metals (AAR, 2000; OHM/TADS , 2002; Pohanish & Greene, 1997).
- Ethanolamine may react violently with acids, organic anhydrides, isocyanates, alkylene oxides, aldehydes, alcohols, glycols, phenols, and cresols, including the following compounds: acetic acid, acetic anhydride, acrolein, acrylic acid, acrylonitrile, chlorosulfonic acid, epichlorohydrin, hydrochloric acid, hydrofluoric acid, mesityl oxide, nitric acid, oleum, sulfuric acid, beta-propiolactone, vinyl acetate, caprolactam solution, and cellulose (Lewis, 2000; NTP , 2001; Pohanish & Greene, 1997).
EVACUATION PROCEDURES
- Editor's Note: This material is not listed in the Table of Initial Isolation and Protective Action Distances.
- SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
Increase, in the downwind direction, as necessary, the isolation distance of at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids in all directions.
- FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.
- PUBLIC SAFETY MEASURES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004)
CALL Emergency Response Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number: MEXICO: SETIQ: 01-800-00-214-00 in the Mexican Republic; For calls originating in Mexico City and the Metropolitan Area: 5559-1588; For calls originating elsewhere, call: 011-52-555-559-1588.
CENACOM: 01-800-00-413-00 in the Mexican Republic; For calls originating in Mexico City and the Metropolitan Area: 5550-1496, 5550-1552, 5550-1485, or 5550-4885; For calls originating elsewhere, call: 011-52-555-550-1496, or 011-52-555-550-1552; 011-52-555-550-1485, or 011-52-555-550-4885.
ARGENTINA: CIQUIME: 0-800-222-2933 in the Republic of Argentina; For calls originating elsewhere, call: +54-11-4613-1100.
BRAZIL: PRÓ-QUÍMICA: 0-800-118270 (Toll-free in Brazil); For calls originating elsewhere, call: +55-11-232-1144 (Collect calls are accepted).
COLUMBIA: CISPROQUIM: 01-800-091-6012 in Colombia; For calls originating in Bogotá, Colombia, call: 288-6012; For calls originating elsewhere, call: 011-57-1-288-6012.
CANADA: UNITED STATES:
For additional details see the section entitled "WHO TO CALL FOR ASSISTANCE" under the ERG Instructions. As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate enclosed areas.
- Remain upwind of the spilled material. Avoid bodily contact and breathing vapors. Remove and contain any contaminated clothing or shoes at the site. Move any victims of exposure to areas of fresh air (AAR, 2000).
- AIHA ERPG Values for CAS141-43-5 (AIHA, 2006):
- DOE TEEL Values for CAS141-43-5 (U.S. Department of Energy, Office of Emergency Management, 2010):
Listed as Ethanolamine TEEL-0 (units = ppm): 3 TEEL-1 (units = ppm): 6 TEEL-2 (units = ppm): 20 TEEL-3 (units = ppm): 30 Definitions: TEEL-0: The threshold concentration below which most people will experience no adverse health effects. TEEL-1: The airborne concentration (expressed as ppm [parts per million] or mg/m(3) [milligrams per cubic meter]) of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic, nonsensory effects. However, these effects are not disabling and are transient and reversible upon cessation of exposure. TEEL-2: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting, adverse health effects or an impaired ability to escape. TEEL-3: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening adverse health effects or death.
- AEGL Values for CAS141-43-5 (National Research Council, 2010; National Research Council, 2009; National Research Council, 2008; National Research Council, 2007; NRC, 2001; NRC, 2002; NRC, 2003; NRC, 2004; NRC, 2004; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; United States Environmental Protection Agency Office of Pollution Prevention and Toxics, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; 62 FR 58840, 1997; 65 FR 14186, 2000; 65 FR 39264, 2000; 65 FR 77866, 2000; 66 FR 21940, 2001; 67 FR 7164, 2002; 68 FR 42710, 2003; 69 FR 54144, 2004):
- NIOSH IDLH Values for CAS141-43-5 (National Institute for Occupational Safety and Health, 2007):
IDLH: 30 ppm Note(s): Not Listed
CONTAINMENT/WASTE TREATMENT OPTIONS
SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004) ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 153 (ERG, 2004) Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection. fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
Remove all sources of ignition and ventilate the area of the spill or leak (HSDB, 2004; NTP , 2001; OHM/TADS , 2002). Cover the spilled material with sodium bisulfate and sprinkle with water and neutralize. Route waste to an appropriate sewage facility (ITI, 1995; OHM/TADS , 2002). Ethanolamine may be dangerous if it enters water intakes. Local health and pollution control authorities as well as operators of water intakes in the vicinity should be notified of water spills (CHRIS , 2002).
If possible, contain leaking material in sealable containers and neutralize. Rinse contaminated area with excess water ((ICSC, 2001)). Absorb spilled liquid with absorbant paper. Place the paper along with any contaminated clothing in a vapor-tight container for later disposal. Wash any contaminated surfaces with a solution of soap and water (NTP , 2001).
Cover ethanolamine with sodium bisulfate; sprinkle with water and neutralize. Route waste to an appropriate sewage facility (ITI, 1995; OHM/TADS , 2002). Absorb spilled ethanolamine using vermiculite, dry sand, or earth. Place material in a sealed container. Dispose of in an approved, secured sanitary landfill (HSDB, 2004; Sittig, 1991). Waste management activities associated with material disposition are unique to individual situations. Proper waste characterization and decisions regarding waste management should be coordinated with the appropriate local, state, or federal authorities to ensure compliance with all applicable rules and regulations.
Wastewater from ethylene manufacturing processes containing ethanolamine is not toxic to aquatic organisms used in biological wastewater treatment. Concentrations of 300, 200, 50, and 20 mg/L are tolerated by protozoans, saprophyte bacteria, first phase nitrification bacteria, and second phase nitrification bacteria, respectively (HSDB, 2004). Biological Oxygen Demand (CHRIS , 2002; HSDB, 2004): 78 percent (5 days) (0% theoretical) 64 percent (20 days) 50 percent (5 days) (sewage innoculum, initial concentration 100 ppm) 34 percent (5 days) (sewage innoculum, initial concentration 10 ppm) 40 percent (20 days) (sewage innoculum) 61-84 percent (5 days) (sewage innoculum, initial concentration 2.5 ppm) 65 percent (10 days) (sewage innoculum) 0 percent (5 days) (sewage innoculum, initial concentration 2.5 ppm) 58.4 percent (10 days) (sewage innoculum, initial concentration 2.5 ppm) 64.0 percent (20 days) (sewage innoculum, initial concentration 2.5 ppm) 75.0 percent (50 days) (sewage innoculum, initial concentration 2.5 ppm) 71 percent (5 days) (sewage innoculum) 98 percent (5 days) (sewage innoculum) 49.2 percent (14 days) (sewage innoculum, initial concentration 100 ppm)
Incineration is a recommended method of disposal for this compound (HSDB, 2004; ITI, 1995; Sittig, 1991).
-ENVIRONMENTAL HAZARD MANAGEMENT
POLLUTION HAZARD
- Ethanolamine enters the environment in emissions or effluents from facilities manufacturing or using it, from the disposal of consumer goods containing it (e.g., cleaning products), from the use of agricultural chemicals where it has been used as a dispersing agent, and as a naturally occurring constituent of urine (Howard, 1990; HSDB, 2004).
- The most common route of exposure to ethanolamine is skin contact with personal products that contain it (e.g., soaps, hair waving solutions), detergents, and other surfactants (Howard, 1990; HSDB, 2004).
- This compound may be dangerous to humans if it enters water intakes (CHRIS , 2002).
ENVIRONMENTAL FATE AND KINETICS
In the atmosphere, ethanolamine is expected to exist almost exclusively in the vapor phase (Howard, 1990; HSDB, 2004). It is removed primarily through reaction with photochemically-generated hydroxyl radicals (with a half-life of approximately 4 to 27 hours). It is also expected to precipitate out of the atmosphere, based on its complete solubility in water (Howard, 1990; HSDB, 2004; Verschueren, 2001). Vapor phase ethanolamine is expected to react with photochemically-produced hydroxyl radicals, with an estimated half-life of 11 hours. This is based on a reaction rate constant of 3.5 x 10(-11) cm(3)/molecules-sec at 25 degrees C with an ambient hydroxyl concentration of 5 x 10(5) molecules/cm(3) (HSDB, 2004; Verschueren, 2001; Howard, 1990).
SURFACE WATER When released to water, ethanolamine is expected to biodegrade. The rate of degradation will depend largely on the degree of acclimation; its half-life is expected to range from a few days to a few weeks (Howard, 1990; HSDB, 2004). Volatilization, adsorption to particulate matter, and bioconcentration in aquatic organisms are not expected to be important fate processes (Howard, 1990; HSDB, 2004).
TERRESTRIAL When released to soil, ethanolamine is expected to biodegrade relatively rapidly following acclimation. It will also leach in soils (Howard, 1990; HSDB, 2004). Its half-life in soil is estimated from days to weeks (Howard, 1990; HSDB, 2004). Volatilization from soil surfaces is not expected to be an important fate process (Howard, 1990; HSDB, 2004). Ethanolamine is expected to be quite mobile in soil (Howard, 1990; HSDB, 2004).
ABIOTIC DEGRADATION
- Ethanolamine exists in the vapor phase in the atmosphere. It is removed by reaction with photochemically produced hydroxyl radicals or wet deposition. It leaches through the soil and biodegrades in soil and water. Volatilization and adsorption are not expected to be important (HSDB, 2004; Verschueren, 2001; Howard, 1990).
BIODEGRADATION
- The anaerobic bacteria, Clostridium flabelliferum, Clostridium histolyticum, Clostridium butyricum, and Bacillis teras, were able to degrade ethanolamine. However, other strains such as Bacillus indolicus, Bacillus saprotoxicus, and Clostridium sporogenes were not able to degrade it (Verschueren, 2001).
- It is said to biodegrade at a "moderate rate" (OHM/TADS , 2002).
BIOACCUMULATION
ENVIRONMENTAL TOXICITY
- Ethanolamine is dangerous to aquatic life in high concentrations (CHRIS , 2002).
- References: (CHRIS , 2002; OHM/TADS , 2002; Verschueren, 2001)
-PHYSICAL/CHEMICAL PROPERTIES
MOLECULAR WEIGHT
DESCRIPTION/PHYSICAL STATE
- Ethanolamine is a clear, colorless, viscous, hygroscopic liquid with a slightly ammonia-like odor (AAR, 2000; Budavari, 2000; Lewis, 2001; Verschueren, 2001).
PH
- 12.1 (for a 25% aqueous solution) (Budavari, 2000)
- 12.05 (for a 0.1 N aqueous solution) (Budavari, 2000)
VAPOR PRESSURE
- 6 mmHg (at 60 degrees C) (Lewis, 2000)
- 0.4 mmHg (at 20 degrees C) (ACGIH, 1991; Harbison, 1998; NIOSH , 2002)
- 0.43 mmHg (at 20 degrees C) (Lewis, 2001)
- 53 Pa (at 20 degrees C) ((ICSC, 2001))
- 4 mmHg (at 20 degrees C) (OHM/TADS , 2002)
- <1 mmHg (at 20 degrees C) (NFPA, 2002a)
- 0.26 mmHg (at 25 degrees C) (ILO , 1998)
- 0.404 mmHg (at 25 degrees C) (HSDB , 2002)
SPECIFIC GRAVITY
- OTHER TEMPERATURE AND/OR PRESSURE
1.018 (at 20/4 degrees C) (Bingham et al, 2001; ILO , 1998) 1.0117 (at 25/4 degrees C) (Budavari, 2000) 0.9998 (at 40/4 degrees C) (Budavari, 2000) 0.9844 (at 60/4 degrees C) (Budavari, 2000) 1.012 (at 25/4 degrees C) (Lewis, 2000) 1.0179 (at 20/20 degrees C) (Lewis, 2001) 1.016 (at 20 degrees C) (CHRIS , 2002) 1.01 (at 25/4 degrees C) (ITI, 1995)
- TEMPERATURE AND/OR PRESSURE NOT LISTED
DENSITY
- OTHER TEMPERATURE AND/OR PRESSURE
8.5 lbs/gallon (at 20 degrees C) (Lewis, 2001) 1.01 kg/l (at 25 degrees C) (Ashford, 1994) 1.016 g/cm(3) (at 19.2 degrees C) (NTP , 2001)
- TEMPERATURE AND/OR PRESSURE NOT LISTED
FREEZING/MELTING POINT
10.5 degrees C (Lewis, 2000) 51 degrees F (CHRIS , 2002; NFPA, 2002a; NIOSH , 2002) 50.5 degrees F; 10.3 degrees C; 283.5 K (CHRIS , 2002) 10 degrees C (Ashford, 1994; NFPA, 2002a)
10.3 degrees C (Budavari, 2000; ITI, 1995; OHM/TADS , 2002) 10.5 degrees C (ILO , 1998; Lewis, 2001) 10 degrees C ((ICSC, 2001))
BOILING POINT
- 170.8 degrees C (at 760 mmHg) (Budavari, 2000; ITI, 1995; OHM/TADS , 2002)
- 70-72 degrees C (at 12 mmHg) (Budavari, 2000)
- 170.5 degrees C (Bingham et al, 2001; Lewis, 2000; Lewis, 2001)
- 185 degrees C (AAR, 2000)
- 171 degrees C ((ICSC, 2001); ILO , 1998; NFPA, 2002a)
- 338 degrees F; 170 degrees C; 443 K (CHRIS , 2002)
- 166-174 degrees C (Ashford, 1994)
- 339 degrees F (NFPA, 2002a; NIOSH , 2002)
FLASH POINT
- 93.33 degrees C; 200 degrees F (open cup) (ACGIH, 1991; CHRIS , 2002; Lewis, 2000; Lewis, 2001)
- 85 degrees C (closed cup) (ACGIH, 1991; (ICSC, 2001); ILO , 1998)
- 195 degrees F (Budavari, 2000; OHM/TADS , 2002)
- 185 degrees F (closed cup) (CHRIS , 2002)
- 185 degrees F (open cup) (Bingham et al, 2001)
- 91 degrees C (closed cup) (Ashford, 1994)
- 186 degrees F (NIOSH , 2002)
- 185 degrees F; 85 degrees C (NFPA, 2002a; Pohanish & Greene, 1997)
- 90.5 degrees C (ITI, 1995)
AUTOIGNITION TEMPERATURE
- 410 degrees C; 770 degrees F ((ICSC, 2001); ILO , 1998; NFPA, 2002a)
EXPLOSIVE LIMITS
5.5 percent ((ICSC, 2001)) 3.0 percent (at 284 degrees F; 140 degrees C) (NFPA, 2002a; NIOSH , 2002)
17 percent ((ICSC, 2001)) 23.5 percent (at 284 degrees F; 140 degrees C) (NFPA, 2002a; NIOSH , 2002)
SOLUBILITY
Ethanolamine is miscible in water (Ashford, 1994; Budavari, 2000; ILO , 1998; Lewis, 2000; Lewis, 2001; OHM/TADS , 2002). It is soluble in water with release of heat (AAR, 2000). Ethanolamine is completely soluble in water (Ashford, 1994).
Ethanolamine is miscible in methanol and acetone (Budavari, 2000; Lewis, 2000; Lewis, 2001). It is slightly soluble in benzene and soluble in chloroform (Lewis, 2000). Solubility at 25 degrees C (Budavari, 2000): Ethanolamine is miscible with most oxygenated and some chlorinated solvents (Ashford, 1994).
OCTANOL/WATER PARTITION COEFFICIENT
- log Kow = -1.31 (estimated) (Howard, 1990; HSDB , 2002; (ICSC, 2001))
HENRY'S CONSTANT
- 4 x 10(-8) atm-m(3)/mole (at 25 degrees C) (calculated) (Howard, 1990; HSDB , 2002)
SPECTRAL CONSTANTS
OTHER/PHYSICAL
- NUCLEAR MAGNETIC RESONANCE
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