Tetramethyldisiloxane, chemical name 1,3-dihydro-1,1,3,3-tetramethyldisiloxane, is a colorless transparent liquid, soluble in aromatic hydrocarbons, petroleum hydrocarbons and many kinds of organic solvents, insoluble in water. It’s widely used as a silicone intermediate in the functional end-capped polysiloxane, the high performance silicone surfactant, the liquid silicone rubber, the modified silicone oil, plastic and resin.