Toluene-3,4-dithiol
甲苯-3,4-二硫酚
Also known as: 3,4-dimercaptotoluene, 4-methyl-1,2-benzenedithiol, 4-methylbenzene-1,2-dithiol, 1,2-dimercapto-4-methylbenzene, 1-methyl-3,4-dimercaptobenzene, 4-methyl-1,2-dimercaptobenzene, 1,2-benzenedithiol, 4-methyl-, toluol-3,4-dithiol, 3,4-toluenedithiol, EINECS 207-828-3, MFCD00004844
Toluene-3,4-dithiol (CAS 496-74-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H8S2 and a molecular weight of 156.268 g/mol. It is also known as 3,4-dimercaptotoluene, 4-methyl-1,2-benzenedithiol and 4-methylbenzene-1,2-dithiol. Key properties include a melting point of 30-33 °C(lit.), a boiling point of 265.5±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 122.8±15.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 496-74-2
- Jingsj CID
- J-40765-2
- Molecular Formula
- C7H8S2
- Chinese Name
- 甲苯-3,4-二硫酚
- Molecular Weight
- 156.268 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 30-33 °C(lit.) |
|---|---|
| Boiling Point | 265.5±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 122.8±15.7 °C |
| Exact Mass | 156.006744 |
| PSA | 77.60000 |
| LogP | 3.28 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.644 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 Toluene-3,4-dithiol?
The CAS number of Toluene-3,4-dithiol is 496-74-2.
What are the molecular formula and molecular weight of Toluene-3,4-dithiol?
Toluene-3,4-dithiol has molecular formula C7H8S2 and molecular weight 156.268 g/mol.
Is Toluene-3,4-dithiol hazardous?
Toluene-3,4-dithiol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Toluene-3,4-dithiol (CAS 496-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40765-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.