3-(Methylsulfonyl)benzoic acid
Also known as: 3-Methylsulfonylbenzoic acid, 3-Methylsulphonylbenzoic acid, 3-Mesylbenzoic acid, m-Methylsulfonylbenzoic acid, Benzoic acid, 3-(methylsulfonyl)-
3-(Methylsulfonyl)benzoic acid (CAS 5345-27-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O4S and a molecular weight of 200.212 g/mol. Key properties include a melting point of 230-238 °C, a boiling point of 457.8±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 230.7±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5345-27-7
- Jingsj CID
- J-44188-3
- Molecular Formula
- C8H8O4S
- Molecular Weight
- 200.212 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 230-238 °C |
|---|---|
| Boiling Point | 457.8±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 230.7±26.5 °C |
| Exact Mass | 200.014328 |
| PSA | 79.82000 |
| LogP | 0.58 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.560 |
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-(Methylsulfonyl)benzoic acid?
The CAS number of 3-(Methylsulfonyl)benzoic acid is 5345-27-7.
What are the molecular formula and molecular weight of 3-(Methylsulfonyl)benzoic acid?
3-(Methylsulfonyl)benzoic acid has molecular formula C8H8O4S and molecular weight 200.212 g/mol.
What are the upstream and downstream products of 3-(Methylsulfonyl)benzoic acid?
For 3-(Methylsulfonyl)benzoic acid, Upstream Products: 3-(Methylthio)benzoic acid, 3-(Chlorosulfonyl)benzoic acid, 3-Mercaptobenzoic acid; Downstream Products: (3-(Methylsulfonyl)phenyl)methanol, 3-(Methylsulfonyl)benzonitrile, Methyl 3-(methylsulfonyl)benzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(Methylsulfonyl)benzoic acid (CAS 5345-27-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44188-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.