Tetra-n-butylammonium bromide (TBAB) is a quaternary ammonium salt with a bromide counterion commonly used as a phase transfer catalyst. It is used to prepared many other tetrabutylammonium salts via salt metathesis reactions.

CAS：1643-19-2
中文别名：溴化四丁铵;N,N,N-三丁基-1-丁铵溴化物;溴化四丁基铵;四正丁基溴化铵;TBA溴化物;
英文别名：tetra-n-butyl-ammonium bromide;Tetrabutyl ammonium bromide;1-Butanaminium, N,N,N-tributyl-, bromide;TBAB;IPC-TBA-BR;Tetrabutylammonium b;N,N,N-tributylbutan-1-aminium bromide;tetrabutylammomium bromide;TETRABUTYL AMONIUM BROMIDE;Tetrabutyl;Tetrabutylammonium bromide;aliquat 100;Tetrabutylammoniumbromid;Tetrabutylammonium Bromide;Tetrabutylazanium bromide;
分子式：C16H36BrN
分子量：322.368
精确质量：321.203
Psa：0.0
Logp：2.0076

BRN号：3570983
EINECS号：216-699-2
MDL号：MFCD00011633

外观与性状：白色至灰白色结晶粉末
密度：1.039g/mLat 25°C
沸点：102°C
熔点：102-106°C(lit.)
折射率：n20/D 1.422
水溶解性：600 g/L (20 ºC)
稳定性：Stable. Incompatible with strong oxidizing agents. Protect from moisture.
储存条件：Store at RT.

安全说明：S26-S36-S37/39
危险类别码：R36/37/38
WGK Germany：3
海关编码：2923900090
危险品标志：Xi; Xn
危险性防范说明：P261; P305 + P351 + P338
危险性描述：H315; H319; H335
危险标志：GHS07
信号词：Warning

用途
1.离子对试剂，用于巴氨西林、舒他西林等的合成；也是一种有效的相转移催化剂。