... Trichloroethylene/TCE, 99.9% purity, pharmaceutical raw materials(79-01-6) 1)Place of origin ... Chemical Trichloroethylene/TCE, 99.9% purity, pharmaceutical raw materials(79-01-6)Trichloroethylene 1)Standard: HG\T2542- ... equipment containing aterial. Carcinogenic, teratogenic or mutagenic materials should be stored in a separate locked safety ... /TCE, 99.9% purity, pharmaceutical raw materials(79-01-6)