CAS号:407-25-0
品名:三氟乙酸酐Trifluoroaceticanhydride
中文别名:三氟乙酐;三氟醋酸酐;
英文别名:trifluoroaceticanhydride;trifluoroacetic;TRIFLUORACETICANHYDRIDE;Perfluoraceticanhydride;trifluoroacetylanhydride;perfluoroaceticanhydride;2,2,2-trifluoroaceticanhydride;TrifluoroaceticAnhydride(TFAA);hexafluoroaceticanhydride;Aceticacid,trifluoro-,anhydride;trifluoroaceticacidanhydride;bis-trifluoroaceticanhydride;Trifluoroaceticanhy;TFAA;TRIFLUOROACETOANHYDRIDE;TIFLUOROACETICANHYDRIDE;RIFLUOROACETICANHYDRIDE;
分子式:C4F6O3
分子量:210.031
精确质量:209.975
Psa:43.37
RTECS号:AJ9800000
MDL号:MFCD00000416
外观与性状:无色液体
密度:1.511g/mLat 20°C(lit.)
沸点:39.5-40°C(lit.)
熔点:-63.5 °C
闪点:-26 °C
折射率:n20/D 1.3(lit.)
稳定性:Stable, but moisture sensitive. Reacts with water to liberate hydrogen (flammable). Incompatible with water, strong oxidizing agents.
储存条件:库房通风低温干燥,与H发孔剂、碱类、氰化物分开存放
蒸汽压:439mmHg at 25°C
安全说明:S26-S36/37/39-S43-S45-S61-S9-S8-S28A-S27
危险类别码:R14; R20; R35; R52/53
WGK Germany:2
海关编码:29159080
危险品运输编码:UN 3265 8/PG 1
危险类别:8
包装等级:I
危险品标志:C
简介:Trifluoroaceticanhydride(TFAA)istheacidanhydrideoftrifluoroaceticacid.Itistheperfluorinatedderivativeofaceticanhydride.Likemanyacidanhydrides,itmaybeusedtointroducethecorrespondingtrifluoroacetylgroup.Thecorrespondingacylchloride,trifluoroacetylchloride,isagas,makingitinconvenienttoworkwith.Trifluoroaceticanhydrideistherecommendeddesiccantfortrifluoroaceticacid.
用途:主要用作分析试剂、溶剂、催化剂、脱水缩合剂、羧基和氨基三氟乙酰化时的保护剂。