Product Identification
【Product Name】2,3,4,5-Tetrafluorobenzoyl chloride ;四氟苯甲酰氯
【Synonyms】2,3,4,5-Tetrafluorobenzoic acid chloride
【CAS】94695-48-4
【Formula】C7HClF4O
【Molecular Weight】212.53
【Beilstein/Gmelin】5266860
Physical and Chemical Properties
【Appearance】Colorless liquid with a characteristic odor.
【Solubility in water】Insoluble
【Boiling Point】53-54℃
【Density】1.58 g/cm3
【Refractive Index】1.4772 (21.5℃)
First Aid Measures
【Ingestion】Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【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.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and Storage
【Storage】Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Corrosives area.
【Handling】Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Hazards Identification
【Ingestion】Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.
【Inhalation】Causes respiratory tract irritation. May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract. The toxicological properties of this substance have not been fully investigated. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
【Skin】Causes skin burns.
【Eyes】Causes severe eye irritation. Causes eye burns. Causes redness and pain. Lachrymator.
【EC Risk Phrase】R 34
【EC Safety Phrase】S 26 36/37/39 45
【UN (DOT)】3265
Exposure Controls/Personal Protection
【Personal Protection】Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting Measures
【Flash Point】90℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Combustible Liquid. Extinguishing media: Use foam, dry chemical, or carbon dioxide.
Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability and Reactivity
【Stability】Stable under normal shipping and handling conditions.
【Incompatibilities】Strong oxidizing agents, strong bases, alcohols, amines, ammonia.
【Decomposition】Hydrogen chloride, carbon monoxide, carbon dioxide, hydrogen fluoride.
Transport Information
【UN Number】3265