Product Name: Octamethylcyclotetrasiloxane (D4) (OMCTS) Chinese Name: Molecular Formula: C8H24Si4O4 Molecular Weight: 296.63 Melting Point: 17.5�°C Boiling Point: 175�°C Flashing Point: 56 �°C Density (P20)g/cm3: 0.956 Specification: Testing Item Standard Content (%) 99.0 Min. Viscosity: (25�°C): 2.30mm2/s Refractive index: (n D25): 1.3960-1.3970 Water Solubility Insoluble Properties Colorless transparent oily liquid, flammable HS Code: 2931900001 CAS No.: 556-67-2 EINECS: 209-136-7 UN No.: 1993 Hazardous Grade: 3 Packing Type: III Usages: Silicone oil, silicone rubber intermediate and used in auxiliary. Packing: in 190kgs plastic coated metal drum or 950kg IBC