Hexachlorodisilane is the inorganic compound with the chemical formula Si2Cl6, It is a colourless liquid that fumes in moist air. It has specialty applications in as a reagent and as a volatile precursor to silicon metal.

CAS：13465-77-5
中文别名：六氯化二硅;六氯二硅烷;
英文别名：HEXACHLORODISILANE;trichloro(trichlorosilyl)silane;
分子式：Cl6Si2
分子量：268.889
精确质量：265.767
Psa：0.0
Logp：3.3754

PubChem号：24852311
MDL号：MFCD00011599
EINECS号：236-704-1

外观与性状：无色液体
密度：1.562g/mLat 25°C(lit.)
沸点：144-145.5°C(lit.)
熔点：<0ºC
闪点：78°C
折射率：n20/D 1.475(lit.)
稳定性：Stable, but reacts violently with water. Moisture sensitive. May be shock sensitive. Incompatible with water, moisture, acids, strong bases, oxidizing agents, alcohols.
储存条件：below 5ºC
蒸汽压：6.39mmHg at 25°C

安全说明：S26-S36/37/39-S45
WGK Germany：3
危险类别码：R14; R34
危险品运输编码：UN 2987 8/PG 2
危险类别：8
包装等级：II
危险品标志：C
补充危害声明：与水剧烈反应。
信号词：Danger
危险标志：GHS05
危险性描述：H314
危险性防范说明：P280; P305 + P351 + P338; P310