Benzenesulfinic acid
Also known as: Phenylsulfinic acid, Benzenesulphinic acid, Benzolsulfinsure, EINECS 210-548-4, benzene sulphinic acid, benzenesulfinicaci
Benzenesulfinic acid (CAS 618-41-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6O2S and a molecular weight of 142.176 g/mol. Key properties include a boiling point of 339.4±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 159.1±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 618-41-7
- Jingsj CID
- J-1993354-1
- Molecular Formula
- C6H6O2S
- Molecular Weight
- 142.176 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 339.4±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 159.1±23.2 °C |
| Exact Mass | 142.008850 |
| PSA | 56.51000 |
| LogP | 0.29 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.683 |
Frequently Asked Questions
What is the CAS number of Benzenesulfinic acid?
The CAS number of Benzenesulfinic acid is 618-41-7.
What are the molecular formula and molecular weight of Benzenesulfinic acid?
Benzenesulfinic acid has molecular formula C6H6O2S and molecular weight 142.176 g/mol.
What are the upstream and downstream products of Benzenesulfinic acid?
For Benzenesulfinic acid, Upstream Products: Sodium benzenesulfinate, S-Phenyl benzenethiosulfonate, Benzenesulfonyl chloride; Downstream Products: Bis(phenylsulfonyl)sulfide, nitrobenzene, 2-Phenylacetophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzenesulfinic acid (CAS 618-41-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993354-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.