CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search Sulfur mustard Names IUPAC name Bis(2-chloroethyl) sulfide Other names Iprit Schwefel-LOST Lost Mustard gas Senfgas Yellow cross liquid Yperite Distilled mustard Mustard T- mixture 1,1'-thiobis[2-chloroethane] Dichlorodiethyl sulfide Identifiers CAS Registry Number 505-60-2 Y ChEBI CHEBI:25434 Y ChEMBL ChEMBL455341 Y ChemSpider 21106142 Y InChI InChI=1S/C4H8Cl2S/c5-1-3-7-4-2-6/h1-4H2 Y Key: QKSKPIVNLNLAAV-UHFFFAOYSA-N Y InChI=1/C4H8Cl2S/c5-1-3-7-4-2-6/h1-4H2 Key: QKSKPIVNLNLAAV-UHFFFAOYAK Jmol -3D images Image KEGG C19164 Y PubChem 10461 SMILES ClCCSCCCl Properties Chemical formula C 4 H 8 Cl 2 S Molar mass 159.07 g·mol −1 Appearance Colorless if pure. Normally ranges from pale yellow to dark ...