4-(mercaptomethyl)benzoic acid

4-(巯基甲基)苯甲酸

Also known as: 4-(sulfanylmethyl)benzoic acid, 4-carboxybenzyl mercaptan, p-mercaptomethylbenzoic acid, benzoic acid, 4-(mercaptomethyl)-, HMS1783B06

4-(mercaptomethyl)benzoic acid (CAS 39088-65-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O2S and a molecular weight of 168.21300 g/mol. It is also known as 4-(sulfanylmethyl)benzoic acid, 4-carboxybenzyl mercaptan and p-mercaptomethylbenzoic acid. Key properties include a boiling point of 336.8ºC at 760 mmHg, a density of 1.271g/cm3 and a flash point of 157.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39088-65-8
Jingsj CID
J-1515613-2
Molecular Formula
C8H8O2S
Chinese Name
4-(巯基甲基)苯甲酸
Molecular Weight
168.21300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point336.8ºC at 760 mmHg
Density1.271g/cm3
Flash Point157.5ºC

Frequently Asked Questions

What is the CAS number of 4-(mercaptomethyl)benzoic acid?

The CAS number of 4-(mercaptomethyl)benzoic acid is 39088-65-8.

What are the molecular formula and molecular weight of 4-(mercaptomethyl)benzoic acid?

4-(mercaptomethyl)benzoic acid has molecular formula C8H8O2S and molecular weight 168.21300 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(mercaptomethyl)benzoic acid (CAS 39088-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515613-2 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.