BENZENESULFONYL CHLORIDE
HAZARDTEXT ®
Information to help in the initial response for evaluating chemical incidents
-IDENTIFICATION
SYNONYMS
BENEZENESULFOCHLORIDE BENZENE SULFOCHLORIDE BENZENESULFON CHLORIDE BENZENE SULFONECHLORIDE BENZENESULFONIC CHLORIDE BENZENESULFONIC (ACID) CHLORIDE BENZENESULFONYL CHLORIDE BENZENOSULFOCHLOREK (POLISH) BENZENOSULPHOCHLORIDE BENZENESULPHONYL CHLORIDE BENZOLSULFOCHLORIDE BSC-REFINE D PHENYLSULFONYL CHLORIDE BCS-REFINE D
IDENTIFIERS
SYNONYM REFERENCE
- (HSDB , 2001; RTECS , 2001)
USES/FORMS/SOURCES
Benzenesulfonyl chloride is used primarily as a chemical intermediate in the manufacture of benzene sulfonamides, thiophenol, glybuzole (hypoglycemic agent), N-2-chloroethyl amides, and benzonitrile. It is also used as an insecticide, miticide, and to make dyes (AAR, 2000; HSDB, 2001).
It is a colorless, oily liquid; it also exists as a colorless to slightly yellow solid. Its odor is described as pungent (Budavari, 2000; CHRIS, 2001)
-CLINICAL EFFECTS
GENERAL CLINICAL EFFECTS
- The main exposure to benzenesulfonyl chloride is occupational, through inhalation and dermal contact. This chemical is toxic and can be fatal if inhaled, swallowed or absorbed through the skin. It is very irritating to the skin, eyes and mucous membranes, and can burn skin and eyes on contact. Ingestion can produce abdominal spasms and vomiting.
- Vapors of benzenesulfonyl chloride are very irritating and may be absorbed through the skin and mucous membranes. Effects that may result from such absorption can include reversible toxic liver damage, severe shock and possibly an immediate-type allergic reaction.
- POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
TOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Contact with molten substance may cause severe burns to skin and eyes. Reaction with water or moist air will release toxic, corrosive or flammable gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
-MEDICAL TREATMENT
LIFE SUPPORT
- Support respiratory and cardiovascular function.
SUMMARY
- FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (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.
GENERAL - Move victims of inhalation exposure from the toxic environment and administer 100% humidified supplemental oxygen with assisted ventilation as required. Exposed skin and eyes should be copiously flushed with water. Ingestion may result in significant esophageal or gastrointestinal tract irritation or burns, and EMESIS SHOULD NOT BE INDUCED. Cautious gastric lavage followed by administration of activated charcoal may be of benefit if the patient is seen soon after the exposure.
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.
DERMAL EXPOSURE - 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.
ORAL EXPOSURE - Because of the potential for gastrointestinal irritation, DO NOT induce emesis. 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.
-RANGE OF TOXICITY
MINIMUM LETHAL EXPOSURE
MAXIMUM TOLERATED EXPOSURE
- Carcinogenicity Ratings for CAS98-09-9 :
ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed 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 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 CAS98-09-9 (U.S. Environmental Protection Agency, 2011):
-STANDARDS AND LABELS
WORKPLACE STANDARDS
- ACGIH TLV Values for CAS98-09-9 (American Conference of Governmental Industrial Hygienists, 2010):
- AIHA WEEL Values for CAS98-09-9 (AIHA, 2006):
- NIOSH REL and IDLH Values for CAS98-09-9 (National Institute for Occupational Safety and Health, 2007):
- OSHA PEL Values for CAS98-09-9 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):
- OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS98-09-9 (U.S. Occupational Safety and Health Administration, 2010):
ENVIRONMENTAL STANDARDS
- EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS98-09-9 (U.S. Environmental Protection Agency, 2010):
Listed as: Benzenesulfonic acid chloride Final Reportable Quantity, in pounds (kilograms): Additional Information: Listed as: Benzenesulfonyl chloride Final Reportable Quantity, in pounds (kilograms): Additional Information:
- EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS98-09-9 (U.S. Environmental Protection Agency, 2010):
- EPA RCRA Hazardous Waste Number for CAS98-09-9 (U.S. Environmental Protection Agency, 2010b):
Listed as: Benzenesulfonic acid chloride P or U series number: U020 Footnote: Listed as: Benzenesulfonyl chloride P or U series number: U020 Footnote: Editor's Note: The D, F, and K series waste numbers and Appendix VIII to Part 261 -- Hazardous Constituents were not included. Please refer to 40 CFR Part 261.
- EPA SARA Title III, Extremely Hazardous Substance List for CAS98-09-9 (U.S. Environmental Protection Agency, 2010):
- EPA SARA Title III, Community Right-to-Know for CAS98-09-9 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):
- DOT List of Marine Pollutants for CAS98-09-9 (49 CFR 172.101 - App. B, 2005):
- EPA TSCA Inventory for CAS98-09-9 (EPA, 2005):
SHIPPING REGULATIONS
- DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 2225 (49 CFR 172.101, 2005):
- ICAO International Shipping Name for UN2225 (ICAO, 2002):
LABELS
- NFPA Hazard Ratings for CAS98-09-9 (NFPA, 2002):
-PERSONAL PROTECTION
SUMMARY
- RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (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 in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
RESPIRATORY PROTECTION
- 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 98-09-9.
-PHYSICAL HAZARDS
FIRE HAZARD
POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004) Combustible material: may burn but does not ignite readily. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water.
Benzenesulfonyl chloride does not ignite easily, but it may burn (HSDB , 2001). Benzenesulfonyl chloride is combustible (CHRIS , 2001). Toxic, corrosive and/or irritating gases are produced when benzenesulfonyl chloride is on fire, or heated to decomposition (CHRIS , 2001; Lewis, 2000). Containers of benzenesulfonyl chloride may explode in the heat of a fire, or when contaminated by water (CHRIS , 2001; Sittig, 1991).
- FLAMMABILITY CLASSIFICATION
- NFPA Flammability Rating for CAS98-09-9 (NFPA, 2002):
- FIRE CONTROL/EXTINGUISHING AGENTS
- FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
- SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
- LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004)
Water spray, fog or alcohol-resistant foam. FOR CHLOROSILANES, DO NOT USE WATER; use AFFF alcohol-resistant medium expansion foam. Move containers from fire area if you can do it without risk. Use water spray or for; do not use straight streams.
- TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (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 CAS98-09-9 (NFPA, 2002):
- Use dry chemical, carbon dioxide, or alcohol-resistant foam to extinguish small fires. To extinguish large fires, use water spray, fog, or foam (CHRIS , 2001; HSDB , 2001; Sittig, 1991).
- If it can be done without risk, move containers from fire area (CHRIS , 2001).
EXPLOSION HAZARD
- Cylinders of benzenesulfonyl chloride may explode in the heat of a fire (CHRIS , 2001; Sittig, 1991).
- Containers may explode if contaminated with water (HSDB , 2001).
- Benzenesulfonyl chloride decomposes violently on contact with dimethyl sulfoxide (NFPA, 1997; Sittig, 1991).
- Using benzenesulfonyl chloride to dehydrate N-methyl formamide in a tributylamine solution lead to a self-reactive explosion of the dried isonitrile product (NFPA, 1997; Sittig, 1991).
- Slow hydrolysis of benzenesulfonyl chloride in a closed glass container caused it to explode, probably due to an increase in internal gas pressure (Urben, 1999).
DUST/VAPOR HAZARD
- Benzenesulfonyl chloride may be fatal if inhaled. Its vapors are irritating to eyes, skin, and mucous membranes (CHRIS , 2001).
- Decomposition of benzenesulfonyl chloride yields toxic and irritating gases including hydrogen chloride and oxides of chlorine and sulfur. The reaction with hot water yields hydrochloric acid and benzenesulfonic acid (AAR, 2000; CHRIS , 2001; HSDB , 2001; Lewis, 2000; Pohanish & Greene, 1997; Sittig, 1991).
REACTIVITY HAZARD
- Benzenesulfonyl chloride is incompatible with dimethyl sulfoxide, methyl formamide, ammonia, aliphatic amines, many organic compounds, and water solutions (Pohanish & Greene, 1997; Sittig, 1991).
- Aqueous solutions of benzenesulfonyl chloride react violently with bases (Pohanish & Greene, 1997; Sittig, 1991).
- It reacts with hot water releasing corrosive and toxic hydrochloric acid and benzenesulfonic acid; the reaction rate decreases as temperature decreases (AAR, 2000; CHRIS , 2001).
- Benzenesulfonyl chloride decomposes violently on contact with dimethyl sulfoxide (NFPA, 1997).
- Using benzenesulfonyl chloride to dehydrate N-methyl formamide in a tributylamine solution lead to a self-reactive explosion of the dried isonitrile product (NFPA, 1997).
- Slow hydrolysis of benzenesulfonyl chloride in a closed container caused it to explode, probably due to an increase in internal gas pressure (Urben, 1999).
- Decomposition of benzenesulfonyl chloride yields toxic and irritating gases containing hydrogen chlorine and oxides of chlorine and sulfur (CHRIS , 2001; Lewis, 2000).
- In the presence of water it forms hydrochloric acid and benzenesulfonic acid, and hence, it will corrode metals (CHRIS , 2001).
- Benzenesulfonyl chloride is combustible (CHRIS , 2001).
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 156 (ERG, 2004)
Increase, in the downwind direction, as necessary, the isolation distance of at least 50 meters (150 feet) for liquids and 25 meters (75 feet) for solids in all directions.
- FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (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 156 (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.
- Avoid contact with liquid and vapor, as both are toxic. Keep people away from area of exposure (CHRIS , 2001).
- If tank, truck or rail car is involved in a fire, isolate for a one half mile radius (HSDB , 2001).
- AIHA ERPG Values for CAS98-09-9 (AIHA, 2006):
- DOE TEEL Values for CAS98-09-9 (U.S. Department of Energy, Office of Emergency Management, 2010):
Listed as Benzenesulfonic acid chloride (Benzenesulfonyl chloride) TEEL-0 (units = mg/m3): 40 TEEL-1 (units = mg/m3): 125 TEEL-2 (units = mg/m3): 200 TEEL-3 (units = mg/m3): 200 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 CAS98-09-9 (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; 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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 CAS98-09-9 (National Institute for Occupational Safety and Health, 2007):
CONTAINMENT/WASTE TREATMENT OPTIONS
SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004) ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. FOR CHLOROSILANES, use AFFF alcohol-resistant medium expansion foam to reduce vapors. DO NOT GET WATER on spilled substance or inside containers. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Prevent entry into waterways, sewers, basements or confined areas.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (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 in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
Avoid contact with liquid and vapors (CHRIS , 2001). Benzesulfonyl chloride is toxic by inhalation, ingestion, and dermal contact (HSDB , 2001). If clothing becomes contaminated, remove clothing and shoes at site, and wash skin thoroughly with soap and water (HSDB , 2001). Stop discharge if it can be done using the appropriate protective equipment (CHRIS , 2001). Shut off ignition sources to avoid explosion hazard (CHRIS , 2001). Isolate discharged material using berms, booms, or other containment methods (CHRIS , 2001). Remove discharged material in appropriate containers and dispose according to local regulations (CHRIS , 2001). Local health department and pollution control agencies should be notified (CHRIS , 2001). Notify water plant operators and protect water intakes; a spill may be dangerous if it enters water intakes (CHRIS , 2001).
SMALL SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 156 (ERG, 2004) Cover with DRY earth, DRY sand or other non-combustible material followed with plastic sheet to minimize spreading or contact with rain. Use clean non-sparking tools to collect material and place it into loosely covered plastic containers for later disposal.
Small spills should be absorbed with sand or other non-flammable absorbant and placed into containers for proper disposal (HSDB , 2001).
U.S. EPA regulations cover the storage, transportation, treatment and disposal of waste for generators of an excess of 100 kg/month (HSDB , 2001). Both rotary kiln and liquid injection incineration are feasible. Rotary kiln will destroy benzenesulfonyl chloride in a temperature range of 820 to 1600 degrees C and a residence times of seconds for liquids and gases, and hours for solids. Liquid injection incineration between 650 to 1600 degrees C for 0.1 to 0.2 seconds will destroy the wastes (HSDB , 2001). 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.
-ENVIRONMENTAL HAZARD MANAGEMENT
POLLUTION HAZARD
- Benzenesulfonyl chloride is harmful to aquatic life at very low concentrations (CHRIS , 2001).
ENVIRONMENTAL FATE AND KINETICS
Benzenesulfonyl chloride will exist almost entirely in the vapor phase, based on a vapor pressure of 0.068 mmHg (at 25 degrees C) (HSDB , 2001). With an estimated half-life of 7.9 days, benzenesulfonyl may undergo photo-oxidation by reacting with hydroxyl radicals (HSDB , 2001). Hydrolysis in moist air is another significant reaction pathway for removal (HSDB , 2001). Direct photolysis is not significant in removal from the atmosphere (HSDB , 2001).
SURFACE WATER In water, it hydrolyzes rapidly with a half-life of 5.1 minutes at 21 degrees C (HSDB , 2001). Direct photolysis is not significant in removal from surface waters (HSDB , 2001). Benzenesulfonyl chloride sinks in water and slowly decomposes (CHRIS , 2001).
TERRESTRIAL In moist soil, benzenesulfonyl chloride is expected to hydrolyze rapidly, based on a half-life of 5.1 minutes (at 21 degrees C). Adsorption to and volatilization from moist soil are not expected to be significant, due to the rapid hydrolysis in moist soil (HSDB , 2001). Volatilization from dry near-surface soil or other surfaces may be significant, based on an estimated vapor pressure of 0.068 mmHg (at 25 degrees C) (HSDB , 2001).
ABIOTIC DEGRADATION
- Direct photolysis is not expected to be a significant removal process (HSDB , 2001).
- The rate constant for the vapor phase reaction of benzenesulfonyl chloride with photochemically produced hydroxyl radicals has been estimated to be 2.04 X 10(-12) cm(3)/molecule-sec (at 25 degrees C), corresponding to an atmospheric half-life of 7.9 days at an atmospheric concentration of 5 X 10(5) hydroxyl radicals per cubic centimeter (HSDB , 2001).
BIODEGRADATION
- Biodegradation is not an important process in degrading benzenesulfonyl chloride because it hydrolyzes so rapidly in water and moist air (HSDB , 2001).
- The products of hydrolysis are benzenesulfonic acid and hydrogen chloride (HSDB , 2001).
ENVIRONMENTAL TOXICITY
- LC50 - (WATER) BROWN TROUT YEARLINGS: 3mg/L for > 48 hours (freshwater) (CHRIS , 2001; HSDB , 2001)
- Waterfowl toxicity is not known (CHRIS , 2001).
-PHYSICAL/CHEMICAL PROPERTIES
MOLECULAR WEIGHT
DESCRIPTION/PHYSICAL STATE
- Benzenesulfonyl chloride is a colorless, oily liquid with a pungent odor (Budavari, 2000; CHRIS , 2001).
PH
VAPOR PRESSURE
- 0.068 mmHg (at 25 degrees C) (estimated) (HSDB , 2001)
FREEZING/MELTING POINT
0 degrees C (solidfies) (Budavari, 2000) 14.5 degrees C; 58.1 degrees F; 287.7 degrees K (CHRIS, 2001)
BOILING POINT
- 251-252 degrees C (decomposition) (at 760 mmHg) (Budavari, 2000)
- 177 degrees C (at 100 mmHg) (Budavari, 2000)
- 120 degrees C (at 10 mmHg) (Budavari, 2000)
- 251.5 degress C; 484.7 degrees F; 524.7 K (CHRIS , 2001)
FLASH POINT
- >233.6 degrees F (closed cup) (CHRIS , 2001)
SOLUBILITY
SPECTRAL CONSTANTS
OTHER/PHYSICAL
- NUCLEAR MAGNETIC RESONANCE
-REFERENCES
GENERAL BIBLIOGRAPHY- 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.
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