3-Mercapto-3-methylbutan-1-ol, also known as MMB, is a thiol and an alcohol. MMB is a degradation product of the amino acid felinine in cat urine and is a cat pheromone. MMB is also found in Sauvignon blanc wines together with the related compounds 4-mercapto-4-methylpentan-2-ol and 3-mercaptohexan-1-ol.

CAS：34300-94-2
中文别名：
英文别名：3-Mercapto-3-methylbutanol;3-Methyl-3-sulfanyl-1-butanol;3-mercapto-3-methylbutanol;3-Mercapto-3-methyl-1-butanol;3-methyl-3-sulfanyl-butan-1-ol;3-Mercapto-3-methylbutan-1-ol;3-methyl-3-mercapto-butanol;3-sulfanyl-3-methylbutan-1-ol;
分子式：C5H12OS
分子量：120.213
精确质量：120.061
Psa：59.03
Logp：1.0772

外观与性状：无色液体
密度：0.979 g/cm3
沸点：190.1ºC at 760 mmHg
闪点：68.8ºC
折射率：n 20/D 1.480

安全说明：26-39
危险类别码：R22
海关编码：2930909090
危险品标志：Xn