Product Identification
【Product Name】2,4-Dichlorobenzoylchloride
【Synonyms】2,4-二氯氯苄
【CAS】94-99-5
【Formula】C7H5Cl3
【Molecular Weight】195.18
【EINECS】202-381-0
【Beilstein/Gmelin】387220
【Beilstein Reference】4-05-00-00819
【EC Class】corrosive
Physical and Chemical Properties
【Appearance】Viscous, light yellow liquid.
【Solubility in water】Insoluble
【Melting Point】-2.7℃
【Boiling Point】248℃
【Vapor Pressure】0.04 (25℃)
【Density】1.406 g/cm3 (20℃)
【Partition Coefficient】2.69
【Heat Of Vaporization】46.6 kJ/mol
【Vapor Density】6.74
【Refractive Index】1.5819 (20℃)
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 breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
【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. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from moisture.
【Handling】Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Do not allow contact with water. Use only in a chemical fume hood. 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. The toxicological properties of this substance have not been fully investigated.
【Inhalation】Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated.
【Skin】Causes skin irritation and burns.
【Eyes】Lachrymator. Causes eye irritation and burns.
【Hazards】When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
【EC Risk Phrase】R 34 36
【EC Safety Phrase】S 26 36/37/39 45
【UN (DOT)】3265
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 prevent skin exposure.
【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】158℃
【Autoignition】>500℃
【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: Use foam, dry chemical, or carbon dioxide. Use extinguishing media most appropriate for the surrounding fire. Do NOT get water inside containers.
【Fire Potential】Combustible material: may burn but does not ignite ily.
Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation. Do not get water inside containers.
Stability and Reactivity
【Incompatibilities】Moisture, strong oxidizing agents, strong bases.
【Stability】Stable under normal temperatures and pressures.
【Decomposition】Hydrogen chloride, 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】3265
【Hazard Class】8
【Packing Group】I; II; III
【HS Code】2903 69 90