Trimethylsilyl trifluoromethanesulfonate is a trifluoromethanesulfonate derivate with a trimethylsilyl R-group. It has similar reactivity to trimethylsilyl chloride, and is also used often in organic synthesis.

CAS：27607-77-8
中文别名：三甲基硅基三氟甲烷磺酸酯;三甲硅烷基三氟甲磺酸酯;三甲基硅烷基三氟甲烷磺酸酯;三氟甲烷磺酸三甲基硅烷酯;三氟甲基磺酸三甲基硅酯;
英文别名：TMS triflate;Trifluoromethanesulfonic acid trimethylsilyl ester;Trifluoromethanesulfonic Acid Trimethylsilyl Ester;Trimethylsilyl trifluoromethylsulfonate;trifluoromethanesulphonic acid trimethylsilyl ester;trimethylsilyl trifluoromethylsulphonate;trimethylsilyl trifluoromethane-sulphonate;[(Trifluoromethane-sulfonyl)oxy]trimethylsilane;Silane TMS-triflate;TMSOTf;Trimethylsilyl Trifluoromethanesulfonate [Trimethylsilylating Agent];Trifluoromethanesulfonic acid trimethylsilylester;Trimethylsilyl Triflate;Trimethylsilyl triflate;
分子式：C4H9F3O3SSi
分子量：222.258
精确质量：221.999
Psa：51.75
Logp：2.7683

MDL号：MFCD00000406

外观与性状：透明略黄色液体
密度：1.228g/mLat 25°C(lit.)
沸点：77°C80mm Hg(lit.)
闪点：78°F
折射率：n20/D 1.36(lit.)
水溶解性：REACTS
稳定性：Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件：2-8ºC
蒸汽压：2.22E-09mmHg at 25°C

安全说明：S16-S26-S36/37/39-S45-S8
危险类别码：R10; R14; R34
WGK Germany：3
海关编码：29310095
危险品运输编码：UN 2920 8/PG 2
危险类别：3
包装等级：III
危险品标志：C
危险性防范说明：P210; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P235
信号词：Danger
危险标志：GHS02, GHS05
危险性描述：H226; H314
补充危害声明：与水剧烈反应。

用途
阳离子引发剂,在有机合成中用作催化剂和硅基化试剂。