2-((2-CHLOROETHYL)THIO)ETHANOL 2-Chloroethyl 2-hydroxyethyl sulfide 2-Hydroxyethyl 2-chloroethyl sulfide 4-01-00-02430 (Beilstein Handbook Reference) 693-30-1 BRN 1697572 Ethanol, 2-((2-chloroethyl)thio)- Ethanol, 2-(2-chloro-ethylthio)- HSM Half mustard gas Half sulfur mustard Hemisulfur mustard Mustard chlorohydrin NSC 30024 Sulfide, 2-chloroethyl 2-hydroxyethyl Sulfur half-mustard beta-Chloroethyl beta-hydroxyethyl sulfide