Tetramethyldivinyldisilazane CAS: 7691-02-3 EINECS:231-701-1 Purity:95%min used for ... .819g/cm3Color, 50maxRefractive index,1.437-1.439Boiling point,160°C—161°CFlash point, 34°CUsage:It's windely used for ... . Zhang Jiyuan )Henan Kingway Chemicals Co., Ltd. Tetramethyldivinyldisilazane, CAS 7691-02-3