4-Methylsulfonylbenzoic acid
Also known as: 4-Methylsulphonylbenzoic acid, 4-(Methylsulfonyl)benzoic acid, p-(Methylsulfonyl)benzoic acid, 4-Carboxyphenyl methyl sulfone, 4-Methanesulfonyl-benzoic acid, Benzoic acid, 4-(methylsulfonyl)-, MFCD00007564, EINECS 223-756-5
4-Methylsulfonylbenzoic acid (CAS 4052-30-6) 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 268-271 °C(lit.), a boiling point of 432.4±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 215.3±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4052-30-6
- Jingsj CID
- J-33080-3
- 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 | 268-271 °C(lit.) |
|---|---|
| Boiling Point | 432.4±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 215.3±26.5 °C |
| Exact Mass | 200.014328 |
| PSA | 79.82000 |
| LogP | 0.67 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.560 |
| Additional Property | slight |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
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 4-Methylsulfonylbenzoic acid?
The CAS number of 4-Methylsulfonylbenzoic acid is 4052-30-6.
What are the molecular formula and molecular weight of 4-Methylsulfonylbenzoic acid?
4-Methylsulfonylbenzoic acid has molecular formula C8H8O4S and molecular weight 200.212 g/mol.
Is 4-Methylsulfonylbenzoic acid hazardous?
4-Methylsulfonylbenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Methylsulfonylbenzoic acid?
For 4-Methylsulfonylbenzoic acid, Upstream Products: 4-(Methylthio)benzaldehyde, 4-(Methylthio)benzoic acid, 4-(Methylthio)benzyl alcohol; Downstream Products: 1-(Bromomethyl)-4-(methylsulfonyl)benzene, Methyl phenyl sulfone, 4-(Methylsulfonyl)benzonitrile.
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-Methylsulfonylbenzoic acid (CAS 4052-30-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33080-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.