PMDTA (N,N,N′,N′′,N′′-pentamethyldiethylenetriamine) is an organic compound with the formula [(CH3)2NCH2CH2]2NCH3. PMDTA is a basic, bulky, and flexible, tridentate ligand that is a used in organolithium chemistry. It is a colorless liquid, although impure samples appear yellowish.

CAS：3030-47-5
中文别名：N,N,N\',N\'\',N\'\'-五甲基二乙烯基三胺;N-(2-(二甲氨基)乙基)-N,N\',N\'-三甲基-1,2-乙二胺;N,N,N,N,N-五甲基二亚乙三胺;N,N,N\',N\'\',N\'\'-五甲基二亚乙基三胺;1,1,4,7,7-五甲基二乙二胺;1,1,4,7,7-五甲基二亚乙基三胺;五甲基二乙烯三胺,N,N,N,N,N-五甲基二亚乙基三胺;
英文别名：pentamethyl diethylenetriamine;N,N,N\',N\'\',N\'\'-Pentamethyldiethylenetriamine;methyl-bis-dimethylaminoethylamine;1,2-Ethanediamine, N-[2-(dimethylamino)ethyl]-N,N‘,N‘-trimethyl-;BIS-(2-DIMETHYLAMINOETHYL)METHYLAMINE;PMDETA,PMDTA;LUPRAGEN(R) N 301;Pentamethyldiethylenetriamine;PMDTAPMDETA;PMDETA;1,1,4,7,7-Pentamethyldiethylenetriami;1,1,4,7,7-pentaMEthyl;Pentamethyldiethylen;N1-(2-(dimethylamino)ethyl)-N1,N2,N2-trimethylethane-1,2-diamine;N1-(2-(Dimethylamino)ethyl)-N1,N2,N2-trimethylethane-1,2-diamine;pmdt;2,5,8-trimethyl-2,5,8-triazanonane;PMDTA;
分子式：C9H23N3
分子量：173.299
精确质量：173.189
Psa：9.72
Logp：0.0414

UNII：3274UTY3HL

外观与性状：透明至淡黄色液体
密度：0.83g/mLat 25°C(lit.)
沸点：198°C(lit.)
熔点：−20°C(lit.)
闪点：128°F
折射率：n20/D 1.442(lit.)
稳定性：Stable. Flammable. Incompatible with strong oxidizing agents, strong acids.
储存条件：Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.
蒸汽压：0.23 mm Hg ( 20 °C)

RTECS号：IE2100000
安全说明：S26-S36/37/39-S45
WGK Germany：2
危险类别码：R22; R24; R34
海关编码：29212900
危险品运输编码：UN 2734 8/PG 2
危险类别：8
包装等级：II
危险品标志：T
危险性防范说明：P260; P280; P301 + P312 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338
信号词：Danger
危险标志：GHS05, GHS06
危险性描述：H302; H311; H314

用途
LCA-1是聚氨酯软泡的高效催化剂，主要用于软泡制品的配方中，也可作为硬泡的辅助催化剂，以改进大容量冰箱PU发泡体的流动性。该品催化活性大，发泡速度快，制品具有高韧性以及高承载性。在软泡中以100份聚醚计，加该品 1- 5就能得到较好的效果，该品而且气味较低，适用较广。