(Phenylsulfonyl)acetic acid
Also known as: (Phenylsulphonyl)acetic acid, 2-(Phenylsulfonyl)acetic acid, 2-(Phenylsulphonyl)acetic acid, 2-(benzenesulfonyl)acetic acid, Phenylsulfonyl acetic acid
(Phenylsulfonyl)acetic acid (CAS 3959-23-7) 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 112 °C, a boiling point of 452.2±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 227.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3959-23-7
- Jingsj CID
- J-5159-2
- 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 | 112 °C |
|---|---|
| Boiling Point | 452.2±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 227.3±26.5 °C |
| Exact Mass | 200.014328 |
| PSA | 79.82000 |
| LogP | 0.47 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.567 |
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 (Phenylsulfonyl)acetic acid?
The CAS number of (Phenylsulfonyl)acetic acid is 3959-23-7.
What are the molecular formula and molecular weight of (Phenylsulfonyl)acetic acid?
(Phenylsulfonyl)acetic acid has molecular formula C8H8O4S and molecular weight 200.212 g/mol.
What are the upstream and downstream products of (Phenylsulfonyl)acetic acid?
For (Phenylsulfonyl)acetic acid, Upstream Products: (Phenylthio)acetic acid, Methyl phenylsulfonylacetate, Sodium benzenesulfinate; Downstream Products: Methyl phenylsulfonylacetate, acetic acid, Benzenesulfinic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(Phenylsulfonyl)acetic acid (CAS 3959-23-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5159-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.