1,2-Bis(2-chloroethylthio)ethane
| Sesquimustard, Agent Q, TL-86 | |
|---|---|
 | |
| Molecular structure via molpic based on CDK |
| Physical properties [] | |
|---|---|
| Molecular mass | 219.2 g/mol [1] |
| Density | 1.27 at 25 °C g/cm3 [1] |
| Appearance | Solid [1] |
| Odor | Garlic-like odor [1] |
| Melting point | 56 °C [1] |
| Boiling point | Decomposes [1] |
| Decomposition | When heated to decomposition it emits very toxic fumes of SOx and Cl-. [1] |
| Solubility | Although sulfur mustards have limited solubility in water at neutral pH, the small quantity that dissolves is reactive. /Sulfur mustards/ [1] |
| Predicted LogP | 2.7 [1] |
| Structural Identifiers [] | |
|---|---|
| Molecular formula | C6H12Cl2S2 [1] |
| IUPAC name | 1,2-bis(2-chloroethylsulfanyl)ethane [1] |
| SMILES | C(CSCCCl)SCCCl [1] |
| InChI | InChI=1S/C6H12Cl2S2/c7-1-3-9-5-6-10-4-2-8/h1-6H2 [1] |
| InChIKey | AMGNHZVUZWILSB-UHFFFAOYSA-N [1] |
1,2-Bis(2-chloroethylthio)ethane (also known as Sesquimustard, Sesquimustard Q, Agent Q, Sesquisulfur Mustard, Bis(2-chloroethylthio)ethane, HSM 1, SM 1, 1,8-Dichloro-3,6-dithiaoctane, 3,6-Dithia-1,8-octanedichloride or TL 86) is a
Chemistry
Stereochemistry []
1,2-Bis(2-chloroethylthio)ethane is a achiral mixture.
See also []
External links []
References []
National Center for Biotechnology Information. PubChem Compound Summary for CID 19092, 1,2-Bis(2-chloroethylthio)ethane. Accessed August 24, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/19092
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 1,2-Bis(2-chloroethylthio)ethane. UNII: 5Y1NV229PO. Global Substance Registration System. Accessed August 24, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/5Y1NV229PO