Mimosine or leucenol is an alkaloid, β-3-hydroxy-4 pyridone amino acid. It is a toxic non-protein free amino acid otherwise chemically similar to tyrosine, and was first isolated from Mimosa pudica. It occurs in a few other Mimosa spp. and all members of the closely related genus Leucaena.

CAS：500-44-7
中文别名：含羞草氨酸;L(-)-含羞草氨酸[Β-[N-(3-羟基-4-吡啶酮)]-Α-氨基丙酸];
英文别名：Mimosine;(S)-2-amino-3-(3-hydroxy-4-oxo-4H-[1]pyridyl)-propionic acid;leucenine;(S)-2-Amino-3-(3-hydroxy-4-oxo-4H-[1]pyridyl)-propionsaeure;(s)-1(4h)-pyridinepropanoicaci;MimosineLeucenol;1(4H)-Pyridinepropanoic acid, α-amino-3-hydroxy-4-oxo-, (S)-;L-Mimosine from Koa hoale seeds;L-LEUCININE;L(-)-MIMOSINE;LEUCENOL;
分子式：C8H10N2O4
分子量：198.176
精确质量：198.064
Psa：105.55
Logp：-0.3339

MDL号：MFCD00075909

外观与性状：淡黄褐色的至粉红色结晶粉末
密度：1.544g/cm3
沸点：428.6ºC at 760mmHg
熔点：224-228 °C
闪点：213ºC
折射率：1.645

安全说明：S22-S36
危险类别码：R20/21/22
WGK Germany：3
海关编码：2933399090
危险品标志：Xn
危险性防范说明：P280
危险标志：GHS07
信号词：Warning
危险性描述：H302; H312; H332