4-Methylbenzenesulfinic acid
Also known as: p-Toluenesulfinic acid, 4-toluenesulfinic acid, Benzenesulfinic acid, 4-methyl-, toluene-4-sulphinic acid, p-methylbenzenesulfinic acid, 4-methylbenzenesulfinic acid
4-Methylbenzenesulfinic acid (CAS 536-57-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H8O2S and a molecular weight of 156.202 g/mol. Key properties include a boiling point of 340.0±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 159.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 536-57-2
- Jingsj CID
- J-48285-9
- Molecular Formula
- C7H8O2S
- Molecular Weight
- 156.202 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 340.0±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 159.4±25.9 °C |
| Exact Mass | 156.024506 |
| PSA | 56.51000 |
| LogP | 0.75 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.653 |
Frequently Asked Questions
What is the CAS number of 4-Methylbenzenesulfinic acid?
The CAS number of 4-Methylbenzenesulfinic acid is 536-57-2.
What are the molecular formula and molecular weight of 4-Methylbenzenesulfinic acid?
4-Methylbenzenesulfinic acid has molecular formula C7H8O2S and molecular weight 156.202 g/mol.
What are the upstream and downstream products of 4-Methylbenzenesulfinic acid?
For 4-Methylbenzenesulfinic acid, Upstream Products: Sodium p-toluenesulfinate, p-Toluenesulfonyl chloride, p-Toluenethiol; Downstream Products: p-Toluenesulfonyl chloride, 2-(p-toluenesulfonyl)acetophenone, 5-[isocyano-(4-methylphenyl)sulfonylmethyl]-1,2,3-trimethoxybenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylbenzenesulfinic acid (CAS 536-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48285-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.