octamethylcyclotetrasiloxane

octamethylcyclotetrasiloxane

[‚äk·tə‚meth·əl‚sīk·lə‚te·trə·sə′läk‚sān] (organic chemistry) C8H24O4Si4 An oily colorless liquid with a boiling point of 175°C (315°F) and melting point of 17.5°C (63.5°F); a component of silicone gel.