2,3-Butanedithiol
2,3-丁二硫醇
Also known as: 2,3-Dimercaptobutane, Butane-2,3-dithiol, EINECS 224-870-8, MFCD00010024, UNII:69G298U39K
2,3-Butanedithiol (CAS 4532-64-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10S2 and a molecular weight of 122.252 g/mol. It is also known as 2,3-Dimercaptobutane, Butane-2,3-dithiol and EINECS 224-870-8. Key properties include a boiling point of 168.4±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 56.8±15.1 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4532-64-3
- Jingsj CID
- J-1504149-4
- Molecular Formula
- C4H10S2
- Chinese Name
- 2,3-丁二硫醇
- Molecular Weight
- 122.252 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 168.4±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 56.8±15.1 °C |
| Exact Mass | 122.022392 |
| PSA | 77.60000 |
| LogP | 2.00 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 2.1±0.3 mmHg at 25°C |
| Refractive Index | 1.500 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 2,3-Butanedithiol?
The CAS number of 2,3-Butanedithiol is 4532-64-3.
What are the molecular formula and molecular weight of 2,3-Butanedithiol?
2,3-Butanedithiol has molecular formula C4H10S2 and molecular weight 122.252 g/mol.
Is 2,3-Butanedithiol hazardous?
2,3-Butanedithiol has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Butanedithiol (CAS 4532-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504149-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.