CAS:407-25-0
407-25-0
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。
有机砌块
