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Methane chlorides
Methane chlorides are divided into methyl chloride, dichloromethane, chloroform, and tetrachloroethylene. They are mainly used for the production of new - type refrigerants, and part of them are used for the production of pharmaceutical intermediates. Dichloromethane and tetrachloroethylene are also used as raw materials for fluorine chemicals R32 and R125. Dongyangguang has an annual production capacity of 100,000 tons of methane chlorides (with a co - production of 33,000 tons/year of tetrachloroethylene).