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TRICHLOROACETYL CHLORIDE

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Classification   |    Detailed evidence-based information

Substances Included Synonyms

Therapeutic Toxic Class

    A) Trichloroacetyl chloride is the acid chloride of trichloroacetic acid.

Specific Substances

    A) No Synonyms were found in group or single elements
    1.2.1) MOLECULAR FORMULA
    1) C2-Cl4-O

Available Forms Sources

    A) FORMS
    1) Trichloroacetyl chloride is a liquid (HSDB , 1996).
    B) SOURCES
    1) Trichloroacetyl chloride is a photooxidation product of tetrachloroethylene and trichloroethylene, and may be an irritant component of air pollution in areas where large quantities of these agents are released into the atmosphere (Singh, 1976).
    2) Trichloroacetyl chloride is formed from rapid decomposition of dichloroacetylene on contact with oxygen in the air (Reichert et al, 1983). Dichloroacetylene is a degradation product of vinylidine chloride, trichloroethylene, trichloroethane, and tetrachloroethane, and is a known experimental animal nephrotoxic agent and carcinogen (Reichert et al, 1983).
    3) Trichloroacetyl chloride is a metabolite of perchloroethylene (Birner et al, 1994).
    4) Trichloroacetyl chloride occurs as an impurity in technical (pigment) grade titanium tetrachloride to the extent of 0.005% by weight, and at 0.0002% in the purified (sponge) grade (HSDB , 1996).
    C) USES
    1) Trichloroacetyl chloride is used in chemical synthesis (HSDB , 1996).

Overview

Life Support

    A) This overview assumes that basic life support measures have been instituted.

Clinical Effects

    0.2.1) SUMMARY OF EXPOSURE
    A) Very little is known about the clinical effects of trichloroacetyl chloride in humans. It causes strong irritation of the eyes, skin, and respiratory tract, and may be predicted to cause esophageal or gastrointestinal tract irritation or burns if ingested. Direct contact may cause dermal or corneal burns.
    0.2.4) HEENT
    A) Irritation of the eyes, nose, and throat may be seen. Corneal burns are possible.
    0.2.6) RESPIRATORY
    A) Respiratory tract irritation with chemical pneumonitis or noncardiogenic pulmonary edema may develop.
    0.2.8) GASTROINTESTINAL
    A) Irritation or burns of the esophagus or gastrointestinal tract may occur following ingestion.
    0.2.14) DERMATOLOGIC
    A) Dermal irritation or burns may occur with direct skin contact.
    0.2.20) REPRODUCTIVE
    A) At the time of this review, no data were available to assess the teratogenic potential of this agent.
    B) At the time of this review, no data were available to assess the potential effects of exposure to this agent during pregnancy or lactation.
    0.2.21) CARCINOGENICITY
    A) Trichloroacetyl chloride is a breakdown product of the known animal carcinogen, dichloroacetylene, but its potential carcinogenicity is unknown.

Laboratory Monitoring

    A) A number of chemicals produce abnormalities of the hematopoietic system, liver, and kidneys. Monitoring complete blood count, urinalysis, and liver and kidney function tests is suggested for patients with significant exposure.
    B) If respiratory tract irritation or respiratory depression is evident, monitor arterial blood gases, chest x-ray, and pulmonary function tests.

Treatment Overview

    0.4.2) ORAL/PARENTERAL EXPOSURE
    A) Do not induce emesis.
    B) 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.
    C) Significant esophageal or gastrointestinal tract irritation or burns may occur following ingestion. The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation.
    D) ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old.
    E) Observe patients with ingestion carefully for the possible development of esophageal or gastrointestinal tract irritation or burns. If signs or symptoms of esophageal irritation or burns are present, consider endoscopy to determine the extent of injury.
    F) Carefully observe patients with ingestion exposure for the development of any systemic signs or symptoms and administer symptomatic treatment as necessary.
    0.4.3) INHALATION EXPOSURE
    A) 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.
    B) 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.
    C) If bronchospasm and wheezing occur, consider treatment with inhaled sympathomimetic agents.
    0.4.4) EYE EXPOSURE
    A) 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.
    0.4.5) DERMAL EXPOSURE
    A) OVERVIEW
    1) DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).
    2) Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.

Range Of Toxicity

    A) The minimum lethal and maximum tolerated human exposures have not been delineated.

Clinical Effects

Summary Of Exposure

    A) Very little is known about the clinical effects of trichloroacetyl chloride in humans. It causes strong irritation of the eyes, skin, and respiratory tract, and may be predicted to cause esophageal or gastrointestinal tract irritation or burns if ingested. Direct contact may cause dermal or corneal burns.

Heent

    3.4.1) SUMMARY
    A) Irritation of the eyes, nose, and throat may be seen. Corneal burns are possible.
    3.4.3) EYES
    A) IRRITATION - Eye irritation may occur (EPA, 1985).
    B) CORNEAL BURNS - Direct contact with the material may cause burns of the cornea (EPA, 1985).
    3.4.5) NOSE
    A) IRRITATION - Inhalation may cause irritation of the nose and throat (EPA, 1985).
    3.4.6) THROAT
    A) IRRITATION - Inhalation may cause irritation of the nose and throat (EPA, 1985).

Respiratory

    3.6.1) SUMMARY
    A) Respiratory tract irritation with chemical pneumonitis or noncardiogenic pulmonary edema may develop.
    3.6.2) CLINICAL EFFECTS
    A) IRRITATION SYMPTOM
    1) Inhalation may cause irritation of the respiratory tract (EPA, 1985).
    B) ACUTE LUNG INJURY
    1) Severe respiratory tract irritation could lead to chemical pneumonitis or noncardiogenic pulmonary edema (EPA, 1985).

Gastrointestinal

    3.8.1) SUMMARY
    A) Irritation or burns of the esophagus or gastrointestinal tract may occur following ingestion.
    3.8.2) CLINICAL EFFECTS
    A) ULCER OF ESOPHAGUS
    1) Although cases have not been reported in humans, irritation or burns of the esophagus or gastrointestinal tract may be predicted to occur following ingestion based on this agent's other irritant properties (EPA, 1985).

Dermatologic

    3.14.1) SUMMARY
    A) Dermal irritation or burns may occur with direct skin contact.
    3.14.2) CLINICAL EFFECTS
    A) DERMATITIS
    1) Dermal irritation or burns may occur with direct skin contact (EPA, 1985).

Reproductive

    3.20.1) SUMMARY
    A) At the time of this review, no data were available to assess the teratogenic potential of this agent.
    B) At the time of this review, no data were available to assess the potential effects of exposure to this agent during pregnancy or lactation.
    3.20.2) TERATOGENICITY
    A) LACK OF INFORMATION
    1) At the time of this review, no data were available to assess the teratogenic potential of this agent.
    3.20.3) EFFECTS IN PREGNANCY
    A) LACK OF INFORMATION
    1) At the time of this review, no data were available to assess the potential effects of exposure to this agent during pregnancy or lactation.

Carcinogenicity

    3.21.1) IARC CATEGORY
    A) IARC Carcinogenicity Ratings for CAS76-02-8 (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):
    1) Not Listed
    3.21.2) SUMMARY/HUMAN
    A) Trichloroacetyl chloride is a breakdown product of the known animal carcinogen, dichloroacetylene, but its potential carcinogenicity is unknown.

Genotoxicity

    A) Trichloroacetyl chloride is a breakdown product of the known animal carcinogen, dichloroacetylene, but was not itself mutagenic in Salmonella typhimurium.

Laboratory Monitoring

Monitoring Parameters Levels

    4.1.1) SUMMARY
    A) A number of chemicals produce abnormalities of the hematopoietic system, liver, and kidneys. Monitoring complete blood count, urinalysis, and liver and kidney function tests is suggested for patients with significant exposure.
    B) If respiratory tract irritation or respiratory depression is evident, monitor arterial blood gases, chest x-ray, and pulmonary function tests.
    4.1.2) SERUM/BLOOD
    A) BLOOD/SERUM CHEMISTRY
    1) A number of chemicals produce abnormalities of the hematopoietic system, liver, and kidneys. Monitoring complete blood count and liver and kidney function tests is suggested for patients with significant exposure.
    4.1.3) URINE
    A) URINALYSIS
    1) A number of chemicals produce abnormalities of the hematopoietic system, liver, and kidneys. Monitoring urinalysis is suggested for patients with significant exposure.
    4.1.4) OTHER
    A) OTHER
    1) PULMONARY FUNCTION TESTS
    a) If respiratory tract irritation is present, it may be useful to monitor pulmonary function tests.
    2) MONITORING
    a) If respiratory tract irritation is present, monitor arterial blood gases and chest x-ray.

Radiographic Studies

    A) CHEST RADIOGRAPH
    1) If respiratory tract irritation is present, monitor chest x-ray.

Treatment

Life Support

    A) Support respiratory and cardiovascular function.

Patient Disposition

    6.3.1) DISPOSITION/ORAL EXPOSURE
    6.3.1.5) OBSERVATION CRITERIA/ORAL
    A) Patients symptomatic following exposure should be observed in a controlled setting until all signs and symptoms have fully resolved.

Monitoring

    A) A number of chemicals produce abnormalities of the hematopoietic system, liver, and kidneys. Monitoring complete blood count, urinalysis, and liver and kidney function tests is suggested for patients with significant exposure.
    B) If respiratory tract irritation or respiratory depression is evident, monitor arterial blood gases, chest x-ray, and pulmonary function tests.

Oral Exposure

    6.5.1) PREVENTION OF ABSORPTION/PREHOSPITAL
    A) INHALATION EXPOSURE -
    1) 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.
    B) DERMAL EXPOSURE -
    1) DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).
    C) EYE EXPOSURE -
    1) 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.
    D) ORAL EXPOSURE -
    1) Do not induce emesis.
    2) Significant esophageal or gastrointestinal tract irritation or burns may occur following ingestion. The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation.
    3) ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old.
    6.5.2) PREVENTION OF ABSORPTION
    A) EMESIS/NOT RECOMMENDED
    1) Do not induce emesis.
    B) DILUTION
    1) 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 (Caravati, 2004).
    C) NASOGASTRIC TUBE
    1) INDICATIONS: Consider insertion of a small, flexible nasogastric tube to aspirate gastric contents after large, recent ingestion of caustics. The risk of worsening mucosal injury (including perforation) must be weighed against the potential benefit.
    2) PRECAUTIONS:
    a) SEIZURE CONTROL: Is mandatory prior to gastric emptying.
    b) AIRWAY PROTECTION: Alert patients - place in Trendelenburg and left lateral decubitus position, with suction available. Obtunded or unconscious patients - cuffed endotracheal intubation. COMPLICATIONS:
    1) Complications of gastric aspiration may include: aspiration pneumonia, hypoxia, hypercapnia, mechanical injury to the throat, esophagus, or stomach (Vale, 1997). Combative patients may be at greater risk for complications.
    D) ACTIVATED CHARCOAL
    1) CHARCOAL ADMINISTRATION
    a) Consider administration of activated charcoal after a potentially toxic ingestion (Chyka et al, 2005). Administer charcoal as an aqueous slurry; most effective when administered within one hour of ingestion.
    2) CHARCOAL DOSE
    a) Use a minimum of 240 milliliters of water per 30 grams charcoal (FDA, 1985). Optimum dose not established; usual dose is 25 to 100 grams in adults and adolescents; 25 to 50 grams in children aged 1 to 12 years (or 0.5 to 1 gram/kilogram body weight) ; and 0.5 to 1 gram/kilogram in infants up to 1 year old (Chyka et al, 2005).
    1) Routine use of a cathartic with activated charcoal is NOT recommended as there is no evidence that cathartics reduce drug absorption and cathartics are known to cause adverse effects such as nausea, vomiting, abdominal cramps, electrolyte imbalances and occasionally hypotension (None Listed, 2004).
    b) ADVERSE EFFECTS/CONTRAINDICATIONS
    1) Complications: emesis, aspiration (Chyka et al, 2005). Aspiration may be complicated by acute respiratory failure, ARDS, bronchiolitis obliterans or chronic lung disease (Golej et al, 2001; Graff et al, 2002; Pollack et al, 1981; Harris & Filandrinos, 1993; Elliot et al, 1989; Rau et al, 1988; Golej et al, 2001; Graff et al, 2002). Refer to the ACTIVATED CHARCOAL/TREATMENT management for further information.
    2) Contraindications: unprotected airway (increases risk/severity of aspiration) , nonfunctioning gastrointestinal tract, uncontrolled vomiting, and ingestion of most hydrocarbons (Chyka et al, 2005).
    6.5.3) TREATMENT
    A) IRRITATION SYMPTOM
    1) Observe patients with ingestion carefully for the possible development of esophageal or gastrointestinal tract irritation or burns. If signs or symptoms of esophageal irritation or burns are present, consider endoscopy to determine the extent of injury.
    B) OBSERVATION REGIMES
    1) Carefully observe patients with ingestion exposure for the development of any systemic signs or symptoms and administer symptomatic treatment as necessary.
    2) Patients symptomatic following exposure should be observed in a controlled setting until all signs and symptoms have fully resolved.

Inhalation Exposure

    6.7.1) DECONTAMINATION
    A) Move patient from the toxic environment to fresh air. Monitor for respiratory distress. If cough or difficulty in breathing develops, evaluate for hypoxia, respiratory tract irritation, bronchitis, or pneumonitis.
    B) OBSERVATION: Carefully observe patients with inhalation exposure for the development of any systemic signs or symptoms and administer symptomatic treatment as necessary.
    C) INITIAL TREATMENT: Administer 100% humidified supplemental oxygen, perform endotracheal intubation and provide assisted ventilation as required. Administer inhaled beta-2 adrenergic agonists, if bronchospasm develops. Consider systemic corticosteroids in patients with significant bronchospasm (National Heart,Lung,and Blood Institute, 2007). Exposed skin and eyes should be flushed with copious amounts of water.
    6.7.2) TREATMENT
    A) IRRITATION SYMPTOM
    1) Respiratory tract irritation, if severe, can progress to noncardiogenic pulmonary edema which may be delayed in onset up to 24 to 72 hours after exposure in some cases.
    2) There are no controlled studies indicating that early administration of corticosteroids can prevent the development of noncardiogenic pulmonary edema in patients with inhalation exposure to respiratory irritant substances, and long-term use may cause adverse effects (Boysen & Modell, 1989).
    a) However, based on anecdotal experience, some clinicians do recommend early administration of corticosteroids (such as methylprednisolone 1 gram intravenously as a single dose) in an attempt to prevent the later development of pulmonary edema.
    1) Anecdotal experience with dimethyl sulfate inhalation showed possible benefit of methylprednisolone in the TREATMENT of noncardiogenic pulmonary edema (Ip et al, 1989).
    3) Anecdotal experience also indicated that systemic corticosteroids may have possible efficacy in the TREATMENT of drug-induced noncardiogenic pulmonary edema (Zitnik & Cooper, 1990; Stentoft, 1990; Chudnofsky & Otten, 1989) or noncardiogenic pulmonary edema developing after cardiopulmonary bypass (Maggart & Stewart, 1987).
    4) It is not clear from the published literature that administration of systemic corticosteroids early following inhalation exposure to respiratory irritant substances can PREVENT the development of noncardiogenic pulmonary edema. The decision to administer or withhold corticosteroids in this setting must currently be made on clinical grounds.
    B) ACUTE LUNG INJURY
    1) ONSET: Onset of acute lung injury after toxic exposure may be delayed up to 24 to 72 hours after exposure in some cases.
    2) NON-PHARMACOLOGIC TREATMENT: The treatment of acute lung injury is primarily supportive (Cataletto, 2012). Maintain adequate ventilation and oxygenation with frequent monitoring of arterial blood gases and/or pulse oximetry. If a high FIO2 is required to maintain adequate oxygenation, mechanical ventilation and positive-end-expiratory pressure (PEEP) may be required; ventilation with small tidal volumes (6 mL/kg) is preferred if ARDS develops (Haas, 2011; Stolbach & Hoffman, 2011).
    a) To minimize barotrauma and other complications, use the lowest amount of PEEP possible while maintaining adequate oxygenation. Use of smaller tidal volumes (6 mL/kg) and lower plateau pressures (30 cm water or less) has been associated with decreased mortality and more rapid weaning from mechanical ventilation in patients with ARDS (Brower et al, 2000). More treatment information may be obtained from ARDS Clinical Network website, NIH NHLBI ARDS Clinical Network Mechanical Ventilation Protocol Summary, http://www.ardsnet.org/node/77791 (NHLBI ARDS Network, 2008)
    3) FLUIDS: Crystalloid solutions must be administered judiciously. Pulmonary artery monitoring may help. In general the pulmonary artery wedge pressure should be kept relatively low while still maintaining adequate cardiac output, blood pressure and urine output (Stolbach & Hoffman, 2011).
    4) ANTIBIOTICS: Indicated only when there is evidence of infection (Artigas et al, 1998).
    5) EXPERIMENTAL THERAPY: Partial liquid ventilation has shown promise in preliminary studies (Kollef & Schuster, 1995).
    6) CALFACTANT: In a multicenter, randomized, blinded trial, endotracheal instillation of 2 doses of 80 mL/m(2) calfactant (35 mg/mL of phospholipid suspension in saline) in infants, children, and adolescents with acute lung injury resulted in acute improvement in oxygenation and lower mortality; however, no significant decrease in the course of respiratory failure measured by duration of ventilator therapy, intensive care unit, or hospital stay was noted. Adverse effects (transient hypoxia and hypotension) were more frequent in calfactant patients, but these effects were mild and did not require withdrawal from the study (Wilson et al, 2005).
    7) However, in a multicenter, randomized, controlled, and masked trial, endotracheal instillation of up to 3 doses of calfactant (30 mg) in adults only with acute lung injury/ARDS due to direct lung injury was not associated with improved oxygenation and longer term benefits compared to the placebo group. It was also associated with significant increases in hypoxia and hypotension (Willson et al, 2015).
    C) BRONCHOSPASM
    1) If bronchospasm and wheezing occur, consider treatment with inhaled sympathomimetic agents.
    D) OBSERVATION REGIMES
    1) Carefully observe patients with inhalation exposure for the development of any systemic signs or symptoms and administer symptomatic treatment as necessary.
    E) Treatment should include recommendations listed in the ORAL EXPOSURE section when appropriate.

Eye Exposure

    6.8.1) DECONTAMINATION
    A) EYE IRRIGATION, ROUTINE: 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, an ophthalmologic examination should be performed (Peate, 2007; Naradzay & Barish, 2006).
    6.8.2) TREATMENT
    A) CORNEAL BURN
    1) CONSULTATION - Prolonged initial flushing and early ophthalmologic consultation are advisable if severe corneal irritation or burns are present.
    B) Treatment should include recommendations listed in the ORAL EXPOSURE section when appropriate.

Dermal Exposure

    6.9.1) DECONTAMINATION
    A) DERMAL DECONTAMINATION
    1) DECONTAMINATION: Remove contaminated clothing and wash exposed area thoroughly with soap and water for 10 to 15 minutes. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).
    6.9.2) TREATMENT
    A) IRRITATION SYMPTOM
    1) Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.
    B) SKIN ABSORPTION
    1) Some chemicals can produce systemic poisoning by absorption through intact skin. Carefully observe patients with dermal exposure for the development of any systemic signs or symptoms and administer symptomatic treatment as necessary.
    C) Treatment should include recommendations listed in the ORAL EXPOSURE section when appropriate.

Enhanced Elimination

    A) EFFICACY
    1) No studies have addressed the utilization of extracorporeal elimination techniques in poisoning with this agent.

Range Of Toxicity

Summary

    A) The minimum lethal and maximum tolerated human exposures have not been delineated.

Minimum Lethal Exposure

    A) GENERAL/SUMMARY
    1) The minimum lethal human dose to this agent has not been delineated.

Maximum Tolerated Exposure

    A) GENERAL/SUMMARY
    1) The maximum tolerated human exposure to this agent has not been delineated.

Workplace Standards

    A) ACGIH TLV Values for CAS76-02-8 (American Conference of Governmental Industrial Hygienists, 2010):
    1) Not Listed

    B) NIOSH REL and IDLH Values for CAS76-02-8 (National Institute for Occupational Safety and Health, 2007):
    1) Not Listed

    C) Carcinogenicity Ratings for CAS76-02-8 :
    1) ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed
    2) EPA (U.S. Environmental Protection Agency, 2011): Not Listed
    3) 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
    4) NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed
    5) MAK (DFG, 2002): Not Listed
    6) NTP (U.S. Department of Health and Human Services, Public Health Service, National Toxicology Project ): Not Listed

    D) OSHA PEL Values for CAS76-02-8 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):
    1) Not Listed

Toxicity Information

    7.7.1) TOXICITY VALUES
    A) References: RTECS, 1996 EPA, 1985
    1) LD50- (ORAL)RAT:
    a) 600 mg/kg

Pharmacology Toxicology

Toxicologic Mechanism

    A) Trichloroacetyl chloride is a direct irritant of the eyes, skin, and mucous membranes (EPA, 1985).
    B) The major aspects of its toxicity can be explained by generation of the strong acids, trichloroacetic acid and hydrochloric acid, in the presence of water. Generation of large amounts of heat in this reaction may also be a factor.

Physicochemical

Physical Characteristics

    A) Trichloroacetyl chloride is a liquid (EPA, 1985).

Ph

    A) Trichloroacetyl chloride is expected to be strongly acidic.

Molecular Weight

    A) 181.82 (RTECS , 1996; Lewis, 1992)

References

General Bibliography

    1) 40 CFR 372.28: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Lower thresholds for chemicals of special concern. National Archives and Records Administration (NARA) and the Government Printing Office (GPO). Washington, DC. Final rules current as of Apr 3, 2006.
    2) 40 CFR 372.65: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Chemicals and Chemical Categories to which this part applies. National Archives and Records Association (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Apr 3, 2006.
    3) 49 CFR 172.101 - App. B: Department of Transportation - Table of Hazardous Materials, Appendix B: List of Marine Pollutants. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 29, 2005.
    4) 49 CFR 172.101: Department of Transportation - Table of Hazardous Materials. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 11, 2005.
    5) 62 FR 58840: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 1997.
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    7) 65 FR 39264: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.
    8) 65 FR 77866: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.
    9) 66 FR 21940: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2001.
    10) 67 FR 7164: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2002.
    11) 68 FR 42710: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2003.
    12) 69 FR 54144: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2004.
    13) AIHA: 2006 Emergency Response Planning Guidelines and Workplace Environmental Exposure Level Guides Handbook, American Industrial Hygiene Association, Fairfax, VA, 2006.
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