Heptamethyltrisiloxane 7-methyl-3-siloxane CAS No.: 1873-88-7 EINECS : 217-496-1 M.F. : C7H22O2Si3 Heptamethyltrisiloxane 7-methy-3-siloxane 1. Chemical Name:1,1,1,3,5,5,5-7-methyl-3 siloxane, HMTS2. Molecular formula : C7H22O2Si3 Molecular weight: 222.51 CAS No.: 1873-88-7 EINECS : 217-496-13, Product featuresDensity(25°C,g/cm3) 0.819Refractive point(20°C)1.382Melting point(°C)N/AFlashing point ...