Perchloromethyl mercaptan is the organosulfur compound with the formula [[CCl3SCl]]. It is mainly used as an intermediate for the synthesis of dyes and fungicides (captan, folpet). It is a colorless oil, although commercial samples are yellowish. It is insoluble in water but soluble in organic solvents. It has a foul, unbearable, acrid odor. Perchloromethyl mercaptan is the original name. The most common name is trichloromethanesulfenyl chloride, because the compound is a sulfenyl chloride, not a mercaptan.

CAS：594-42-3
中文别名：全氯甲硫醇;
英文别名：Methanesulfenyl chloride,trichloro;Perchloromethyl mercaptan;(Trichloromethane)sulfenyl chloride;trichloromethanesulphenyl chloride;trichloromethyl hypochlorothioite;Perchlormethylmerkaptan;Perchloromethanethiol;trichloromethyl-sulfenyl chloride;Methanesulfenyl chloride, trichloro-;Clairsit;
分子式：CCl4S
分子量：185.888
精确质量：183.847
Psa：25.3
Logp：3.2011

MDL号：MFCD00059474
EINECS号：209-840-4

外观与性状：一种黄色油性液体带有一种攻击性的气味
密度：1.7g/mLat 25°C(lit.)
沸点：146-148°C(lit.)
熔点：-44ºC
折射率：n20/D 1.537(lit.)
稳定性：Mildly decomposed by moist air.
储存条件：库房通风低温干燥,与食品分开储运
蒸汽密度：6.41 (vs air)
蒸汽压：2.02 psi ( 20 °C)

RTECS号：PB0370000
安全说明：S26-S36/37/39-S45-S7/9-S28A-S25-S61
危险类别码：R21; R25; R26; R34
WGK Germany：3
危险品运输编码：UN 1670 6.1/PG 1
海关编码：2930909090
危险类别：6.1(a)
包装等级：I
危险品标志：T+
危险标志：GHS05, GHS06
危险性描述：H301 + H311; H314; H330
信号词：Danger
危险性防范说明：P260; P280; P284; P301 + P310; P305 + P351 + P338; P310