Product Identification
【Product Name】2-Chlorobenzoic acid chloride
【Synonyms】2-Chlorobenzoyl chloride ；邻氯苯甲酰氯
【CAS】609-65-4
【Formula】C7H4Cl2O
【Molecular Weight】175.02
【EINECS】210-194-0
【Beilstein/Gmelin】386435
【Beilstein Reference】4-09-00-00962
【EC Class】corrosive
Physical and Chemical Properties
【Appearance】
Clear, colorless liquid.
【Solubility in water】Insoluble
【Melting Point】-4℃
【Boiling Point】238℃
【Vapor Pressure】0.043 (25℃)
【Density】1.38 g/cm3
【Partition Coefficient】2.38
【Heat Of Vaporization】47.5 kJ/mol
【Heat Of Combustion】-3105 kJ/mol
【Vapor Density】6.03
【Refractive Index】1.5726 (16℃)
First Aid Measures
【Ingestion】Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration.
【Skin】Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
【Eyes】Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).
Handling and Storage
【Storage】Keep container closed when not in use. Corrosives area. Store protected from moisture.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Do not allow contact with water. Discard contaminated shoes. Keep from contact with moist air and steam.
Hazards Identification
【Ingestion】May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns.
【Inhalation】Causes chemical burns to the respiratory tract.
【Skin】Causes skin burns.
【Eyes】Causes eye burns.
【Hazards】Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】R 34
【EC Safety Phrase】S 26 36/37/39 45
【UN (DOT)】1760
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Fire Fighting Measures
【Flash Point】91℃
【Autoignition】600℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide. Do NOT get water inside containers.
【Upper exp. limit】9.4
【Lower exp. limit】1.5
【Fire Potential】Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation. Do not get water inside containers.
Stability and Reactivity
【Disposal Code】11
【Incompatibilities】Oxidizing agents.
【Stability】Stable under normal temperatures and pressures.
【Decomposition】Hydrogen chloride, phosgene, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.
Transport Information
【UN Number】1760
【Hazard Class】8
【Packing Group】I; II; III
【HS Code】2916 39 00