1,4-Butanedithiol
Also known as: 1,4-Dimercaptobutane, Butane-1,4-dithiol, Tetramethylene dimercaptan, Tetramethylene dithiol, 1,4-Butanebisthiol
1,4-Butanedithiol (CAS 1191-08-8) 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. Key properties include a boiling point of 196.3±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 74.6±14.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1191-08-8
- Jingsj CID
- J-34095-4
- Molecular Formula
- C4H10S2
- 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 | 196.3±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 74.6±14.7 °C |
| Exact Mass | 122.022392 |
| PSA | 77.60000 |
| LogP | 1.97 |
| Vapor Pressure | 0.6±0.4 mmHg at 25°C |
| Refractive Index | 1.505 |
GHS Safety & Compliance
- 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 1,4-Butanedithiol?
The CAS number of 1,4-Butanedithiol is 1191-08-8.
What are the molecular formula and molecular weight of 1,4-Butanedithiol?
1,4-Butanedithiol has molecular formula C4H10S2 and molecular weight 122.252 g/mol.
Is 1,4-Butanedithiol hazardous?
1,4-Butanedithiol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 1,4-Butanedithiol?
For 1,4-Butanedithiol, Upstream Products: 1,4-Dibromobutane, 1,4-Butanedithiol diacetate, 1,3-Propanedithiol; Downstream Products: 2,7-Dithiaoctane, 1,4-Butanedisulfonyl dichloride, Tetrahydrothiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Butanedithiol (CAS 1191-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34095-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.