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p-Toluenesulfonylacetic acid

Also known as: 2-(p-Toluenesulfonyl)acetic Acid, 2-((4-Methylphenyl)sulfonyl)acetic acid, 4-TOLUENESULFONYLACETIC ACID, (4-tolylsulphonyl)acetic acid, (p-Methylphenylsulfonyl)acetic acid, Tosylacetic acid, 2-Tosylacetic acid, NSC 46893, MFCD00021764, EINECS 223-518-0

p-Toluenesulfonylacetic acid (CAS 3937-96-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H10O4S and a molecular weight of 214.23800 g/mol. Key properties include a melting point of 117 °C, a boiling point of 450.4ºC at 760 mmHg and a density of 1.35 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3937-96-0
Jingsj CID
J-7461-3
Molecular Formula
C9H10O4S
Molecular Weight
214.23800 g/mol
Category
Solvents
Last updated
8/21/2026
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Physicochemical Properties

Melting Point117 °C
Boiling Point450.4ºC at 760 mmHg
Density1.35 g/cm3
Exact Mass214.03000
PSA79.82000
LogP1.93410

Customs & Trade Information

HS Code2916399090
Summary2916399090 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 p-Toluenesulfonylacetic acid?

The CAS number of p-Toluenesulfonylacetic acid is 3937-96-0.

What are the molecular formula and molecular weight of p-Toluenesulfonylacetic acid?

p-Toluenesulfonylacetic acid has molecular formula C9H10O4S and molecular weight 214.23800 g/mol.

What are the upstream and downstream products of p-Toluenesulfonylacetic acid?

For p-Toluenesulfonylacetic acid, Upstream Products: 2-[(4-Methylphenyl)sulfanyl]acetic acid, Methyl p-toluenesulfonylacetate, p-Toluenethiol; Downstream Products: Methyl p-toluenesulfonylacetate, 1-Methyl-4-(methylsulfonyl)benzene.

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

Last updated:

How to cite: Jingsj. "p-Toluenesulfonylacetic acid (CAS 3937-96-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7461-3 (accessed 2026-11-09).

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