Methyltrichlorosilane - cas 75-79-6. Monthly purchase –80 tons Colorless (clear) liquid with a pungent odor, hydrolyzable with air moisture. Reacts with ethanol. Physico-chemical properties of methyl trichlorosilane The molecular weight 149.5 Density, g / cm3 1, 277 Mass fraction of basic substance, at least 99.6% Mass fraction of chlorine, %, not less than 71.2 Mass fraction of impurities, 0.4% Including - trimethylchlorosilane, not more than 0.05% Including - dimethyldichlorosilane, not more than 0.4% Including - 2, 2, 3-trimethylbutane and 2.4 dimethylpentane, not more than 0.05% Boiling point, ° c 66, 4 Melting point, ° c -90 Auto-ignition temperature, ° c 408 Flash point, ° c 6 The refractive index of 1.4110 Methyl silica gel cas 68554-70-1 monthly purchase – 20-25 tons Physical and chemical properties Name of parameter, measuring unit Appearance, color Hard, wet, white, fine granulated product Testing item Quality index Measured value Mass content of hydrogen chloride, %, no more 1, 0 0, 96 Mass content of nonvolatile substances, %, at least 60, 0 62, 0 Usage - production of polymer silicone products. Standard