4-(Methylsulfinyl)benzoic acid
Also known as: 4-Methylsulfinylbenzoic acid, 4-Methanesulfinylbenzoic acid, Benzoic acid, 4-(methylsulfinyl)-, 4-Methylsulfinylbenzoate, Etoricoxib Impurity 36, Etoricoxib Impurity 48, p-(Methylsulfinyl)benzoic acid, 4-Carboxyphenyl methyl sulfoxide, (+-)-4-Methylsulfin-benzoesaeure
4-(Methylsulfinyl)benzoic acid (CAS 33963-58-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O3S and a molecular weight of 184.212 g/mol. Key properties include a melting point of 229 °C, a boiling point of 403.3±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 197.7±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33963-58-5
- Jingsj CID
- J-1394106-5
- Molecular Formula
- C8H8O3S
- Molecular Weight
- 184.212 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 229 °C |
|---|---|
| Boiling Point | 403.3±28.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 197.7±24.0 °C |
| Exact Mass | 184.019409 |
| PSA | 73.58000 |
| LogP | 0.63 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.648 |
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 4-(Methylsulfinyl)benzoic acid?
The CAS number of 4-(Methylsulfinyl)benzoic acid is 33963-58-5.
What are the molecular formula and molecular weight of 4-(Methylsulfinyl)benzoic acid?
4-(Methylsulfinyl)benzoic acid has molecular formula C8H8O3S and molecular weight 184.212 g/mol.
What are the upstream and downstream products of 4-(Methylsulfinyl)benzoic acid?
For 4-(Methylsulfinyl)benzoic acid, Upstream Products: 4-(Methylthio)benzoic acid, 4-(Methylthio)benzaldehyde, 4-(Methylthio)benzyl alcohol.
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-(Methylsulfinyl)benzoic acid (CAS 33963-58-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1394106-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.