1,2-Ethanedithiol
Also known as: 1,2-Dimercaptoethane, Dithioglycol, Ethylene mercaptan, Ethane-1,2-dithiol, Ethylenedithiol, Dithioethyleneglycol, 1,2-Ethanedithiol, Ethylene dithioglycol
1,2-Ethanedithiol (CAS 540-63-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C2H6S2 and a molecular weight of 94.199 g/mol. Key properties include a melting point of −41 °C(lit.), a boiling point of 144.3±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 44.4±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H301 — Toxic if swallowed and H310. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 540-63-6
- Jingsj CID
- J-8703-6
- Molecular Formula
- C2H6S2
- Molecular Weight
- 94.199 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −41 °C(lit.) |
|---|---|
| Boiling Point | 144.3±13.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 44.4±0.0 °C |
| Exact Mass | 93.991089 |
| PSA | 77.60000 |
| LogP | 1.31 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 6.5±0.3 mmHg at 25°C |
| Refractive Index | 1.517 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H301 — Toxic if swallowed
- H310
- H330 — Fatal if inhaled
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Ethanedithiol?
The CAS number of 1,2-Ethanedithiol is 540-63-6.
What are the molecular formula and molecular weight of 1,2-Ethanedithiol?
1,2-Ethanedithiol has molecular formula C2H6S2 and molecular weight 94.199 g/mol.
Is 1,2-Ethanedithiol hazardous?
1,2-Ethanedithiol has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H301 — Toxic if swallowed; H310.
What are the upstream and downstream products of 1,2-Ethanedithiol?
For 1,2-Ethanedithiol, Upstream Products: 1,2-Dibromoethane, Ethylene trithiocarbonate, 1,2-dichloroethane; Downstream Products: 2,3-Dihydro-1,4-benzodithiin, Thioanisole, 4-(1,3-dithiolan-2-yl)benzonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Ethanedithiol (CAS 540-63-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8703-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.