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Other Names: Tetrachloromethane, perchloromethane
Formula: CCl4
Sp. Gr.: 1.6
Viscosity: Water-thin
Remarks: Colorless liquid; vapor is heavier than air. Non-flammable, poisonous. b.p. 77ºC / 170ºF, f. p. -23ºC / -9ºF, vapor pressure 91 mm at 20ºC / 68ºF; no flash point. Miscible with alcohol, ether, chloroform, benzene, naphtha; slightly soluble in water. Used for refrigerants and propellants, metal degreasing, grain fumigants and insecticides, fire extinguishers, dry cleaning solvents, and general solvents. Vapor and liquid are hazardous. May be fatal if inhaled or swallowed.
Pump Notes: Cast iron construction is usually satisfactory. If contaminated with moisture, carbon tetrachloride can form hydrochloric acid which is corrosive to cast iron pumps. Be sure that system is clean and free of water to avoid corrosion problems indicated above. Liquid needs to be Adry- or anhydrous. Viton elastomers and a mechanical shaft seal are recommended.
Viton® is a registered trademark of DuPont Performance Elastomers L.L.C