[4-(Ethylsulfonyl)phenyl]acetic acid

Also known as: 2-(4-(ethylsulfonyl)phenyl)acetic acid, 2-(4-ethylsulfonylphenyl)acetic acid, 2-[4-(ethanesulfonyl)phenyl]acetic acid, 4-(ethylsulfonyl)benzeneacetic acid, benzeneacetic acid, 4-(ethylsulfonyl)-, (4-ethanesulfonyl-phenyl)-acetic acid

[4-(Ethylsulfonyl)phenyl]acetic acid (CAS 383135-47-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O4S and a molecular weight of 228.265 g/mol. Key properties include a boiling point of 446.9±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 224.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 383135-47-5
Jingsj CID: J-1055516-5
Molecular Formula: C₁₀H₁₂O₄S
Molecular Weight: 228.265 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	446.9±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	224.1±26.5 °C
Exact Mass	228.045624
PSA	79.82000
LogP	0.32
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.549

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-(Ethylsulfonyl)phenyl]acetic acid?

The CAS number of [4-(Ethylsulfonyl)phenyl]acetic acid is 383135-47-5.

What are the molecular formula and molecular weight of [4-(Ethylsulfonyl)phenyl]acetic acid?

[4-(Ethylsulfonyl)phenyl]acetic acid has molecular formula C10H12O4S and molecular weight 228.265 g/mol.

What are the upstream and downstream products of [4-(Ethylsulfonyl)phenyl]acetic acid?

For [4-(Ethylsulfonyl)phenyl]acetic acid, Upstream Products: (4-Aminophenyl)acetic acid, 4-Mercaptophenylacetic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "[4-(Ethylsulfonyl)phenyl]acetic acid (CAS 383135-47-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055516-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.