Hexachloroethane powder Raw Materials CAS 67-72-1

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Uses and synthesis of Hexachloroethane powder

Hexachloroethane powder, also known as perchloroethane, carbon hexachloride, is an organic compound, the chemical formula is C2Cl6, is a white crystalline powder, insoluble in water, soluble in ethanol, ether, benzene, chloroform, oils and other most of the organic solvents, Hexachloroethane CAS 67-72-1 is mainly used in organic synthesis, pharmaceuticals and so on. Hexachloroethane Raw Materials can also be used as solvent.

Colorless needle-like rhombohedral crystals, similar to camphor aroma, non-flammable. Melting point 186-187 ℃ (sealed tube), boiling point 186 ℃ (103.591kPa), relative density 2.094, vapor pressure (20 ℃) 27.9Pa.

Hexachloroethane Raw Materials is soluble in ethanol, ether, benzene, chloroform and oil; insoluble in water.Hexachloroethane powder has camphor odor, easy to sublimate, volatile in the air.

Applications / Functions of Hexachloroethane powder

1. Hexachloroethane CAS 67-72-1 is used as additive for lubricating oil, and can also be used in the manufacture of pesticides, insect repellents, smoke screens, etc.
2. Hexachloroethane powder is used as a solvent and in the production of Freon 113, pesticides, pharmaceuticals, veterinary drugs, fumigants, defoamers, degassing agents for aluminum products, deoxidizers (aluminum, magnesium, copper and its alloys), additives for cutting and elimination of oils, as well as PVC auxiliary plasticizers, intermediates for organic synthesis.
3. Hexachloroethane CAS 67-72-1 can be used as smoke generator by mixing with zinc powder, ammonium chloride, ammonium perchlorate and so on according to the proportion, Hexachloroethane is also used as camphor substitute and rubber vulcanization accelerator and so on.
4. Hexachloroethane powder itself is also a kind of veterinary anthelmintic. It is mainly used for ruminant liver leech disease and stomach leech disease, other testicular schistosomiasis and nematode disease.
5. Hexachloroethane Raw Materials is used as raw material for organic synthesis, degassing agent for aluminum and its alloys.

Physicochemical Property of Hexachloroethane powder

Hexachloroethane Raw Materials is also known as perchloroethane and carbon hexachloride. Chemical formula Cl3CCCl3, white needle-like crystals of orthorhombic crystal system precipitated from ethanol or ether. It has camphor odor. Sublimation.

Relative molecular mass 236.76, relative density 2.091, melting point 185.0℃. Boiling point 186.8℃ (three-phase point), at this time without melting and sublimation. Vapor pressure(×103Pa):0.00293(20℃),0.00133(40℃),5.066(100℃),34.797(150℃).Hexachloroethane powder is almost insoluble in water, soluble in ethanol, ether, benzene, chloroform and oils.

It can be volatilized gradually when stored in air. Pyrolyzed to tetrachloroethylene, carbon tetrachloride and chlorine gas at 400～500°C. Hexachloroethane Raw Materials reacts violently with metallic zinc in alcohol solution to produce zinc chloride and tetrachloroethylene. Hexachloroethane powder is the most toxic of the chlorinated hydrocarbons and is toxic to the human nerve center and irritating to the skin and mucous membranes. The lowest lethal dose for intravenous injection in dogs is 32.5mg/kg.Maximum permitted concentration in the workplace is 1×10-6.

Colorless needle-like rhombohedral crystals, with camphor-like fragrance. Hexachloroethane powder is soluble in ethanol, ether, benzene, chloroform and oil, insoluble in water.

production methodprocess of Hexachloroethane powder

Hexachloroethane CAS 67-72-1 is obtained by chlorination of tetrachloroethane. Put the dehydrated tetrachloroethane into a glass-lined reaction pot and pass chlorine gas under strong light irradiation, the reaction temperature rises gradually and finally stays at 90-100℃. When the reaction liquid turns from muddy to clear, and crystallization appears in the chlorine tube, the chlorination reaches the end point. Stop passing chlorine, raise the temperature to 120℃, discharge the residual chlorine in the pot to reach the end point. Stop chlorination, raise the temperature to 120℃, and discharge the residual chlorine in the pot.

Discharge the material into the crystallization pot with boiling water, wash it with hot water, then add 1% sodium carbonate and 5% urea solution and stir to remove chlorine. After sufficiently washing with water, cool the crystallization, centrifugal filtration, and finally the crystallization will be immersed in distilled water and then thrown dry, dried at 40 ℃, crushed Hexachloroethane powder.

Trichloroethylene and chlorine gas are also used in the industry for photo-chlorination. Trichloroethylene and chlorine photochlorination reaction to produce pentachloroethane, and then with the action of liquid alkali to produce perchloroethylene. Tetrachloroethylene and liquid chlorine (1:0.213) by the photo-chlorination reaction to produce crude products, and then by the soda ash liquid neutralization, washing, cooling crystallization, centrifugal filtration, drying, crushing and Hexachloroethane CAS 67-72-1.

The production of hexachloroethane by this method consumes 680kg of trichloroethylene and 700kg of liquid chlorine per ton of product.In addition, Hexachloroethane Raw Materials can be produced by reacting carbon tetrachloride with chlorine in the presence of aluminum chloride or reacting ethylene with chlorine at 300-350℃.

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