2-Chloroethyl ethyl sulfide

2-Chloroethyl ethyl sulfide

Names
Preferred IUPAC name 1-Chloro-2-(ethylsulfanyl)ethane
Other names 1-Chloro-2-(ethylthio)ethane, 2-(Ethylthio)chloroethane 2-Chlorodiethyl sulfide
Identifiers
CAS Number	693-07-2
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL3183525
ChemSpider	12210
ECHA InfoCard	100.010.676
EC Number	211-742-1
PubChem CID	12733
UNII	5MN267Q6RG
CompTox Dashboard (EPA)	DTXSID3027295
InChI InChI=1S/C4H9ClS/c1-2-6-4-3-5/h2-4H2,1H3 Key: GBNVXYXIRHSYEG-UHFFFAOYSA-N
SMILES CCSCCCl
Properties
Chemical formula	C4H9ClS
Molar mass	124.63 g·mol−1
Appearance	colorless liquid
Density	1.0663 g/cm3
Boiling point	156 °C (313 °F; 429 K)
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H226, H301, H302, H311, H314, H331, H350
Precautionary statements	P201, P202, P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P281, P301+P310, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P308+P313, P310, P311, P312, P321, P322, P330, P361, P363, P370+P378, P403+P233, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Chloroethyl ethyl sulfide is the organosulfur compound with the formula C₂H₅SC₂H₄Cl. 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(C₂H₄Cl)₂. The LD50s of the half and full mustard are 252 and 2.4 mg/kg (oral, rats).^[1]