2-Chloroethyl ethyl sulfide
# 2-Chloroethyl ethyl sulfide

2-Chloroethyl ethyl sulfide is the organosulfur compound with the formula $C_2H_5SC_2H_4Cl.$ It is a colorless liquid. The compound is part of the family of vesicant compounds known as half mustards, has been heavily investigated because of its structural similarity to the sulfur mustard $S(C_2H_4Cl)_2.$ The LD50s of the half and full mustard are 252 and 2.4 mg/kg (oral, rats).

