有机砌块

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。