1,3-benzenedithiol
1,3-苯二硫酚
Also known as: 1,3-dimercaptobenzene, dithioresorcinol, benzene-1,3-dithiol, m-benzenedithiol, thioresorcinol
1,3-benzenedithiol (CAS 626-04-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H6S2 and a molecular weight of 142.24200 g/mol. It is also known as 1,3-dimercaptobenzene, dithioresorcinol and benzene-1,3-dithiol. Key properties include a melting point of 24-25 °C(lit.), a boiling point of 128-129 °C16 mm Hg(lit.) and a flash point of >230 °F. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 626-04-0
- Jingsj CID
- J-1321681-2
- Molecular Formula
- C6H6S2
- Chinese Name
- 1,3-苯二硫酚
- Molecular Weight
- 142.24200 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 24-25 °C(lit.) |
|---|---|
| Boiling Point | 128-129 °C16 mm Hg(lit.) |
| Flash Point | >230 °F |
| Exact Mass | 141.99100 |
| PSA | 77.60000 |
| LogP | 2.26400 |
| Refractive Index | 1.665 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- 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 1,3-benzenedithiol?
The CAS number of 1,3-benzenedithiol is 626-04-0.
What are the molecular formula and molecular weight of 1,3-benzenedithiol?
1,3-benzenedithiol has molecular formula C6H6S2 and molecular weight 142.24200 g/mol.
Is 1,3-benzenedithiol hazardous?
1,3-benzenedithiol has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3-benzenedithiol (CAS 626-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1321681-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.