Methyl 4-mercaptobenzoate

Also known as: methyl 4-sulfanylbenzoate, methyl p-mercaptobenzoate, 4-(carbomethoxy)thiophenol, p-(carbomethoxy)benzenethiol, NSC 41242, methyl 4-thiobenzoate, 4-mercaptobenzoic acid methyl ester, methyl-4-sulfanylbenzoate, 4-mercaptobenzoate

Methyl 4-mercaptobenzoate (CAS 6302-65-4) 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. Key properties include a melting point of 33-36ºC, a boiling point of 266.7ºC at 760 mmHg, a density of 1.202g/cm3 and a flash point of 167.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6302-65-4
Jingsj CID: J-1164627-8
Molecular Formula: C₈H₈O₂S
Molecular Weight: 168.21300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	33-36ºC
Boiling Point	266.7ºC at 760 mmHg
Density	1.202g/cm3
Flash Point	167.9ºC
Exact Mass	168.02500
PSA	65.10000
LogP	1.76190
Refractive Index	1.574

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 4-mercaptobenzoate?

The CAS number of Methyl 4-mercaptobenzoate is 6302-65-4.

What are the molecular formula and molecular weight of Methyl 4-mercaptobenzoate?

Methyl 4-mercaptobenzoate has molecular formula C8H8O2S and molecular weight 168.21300 g/mol.

What are the upstream and downstream products of Methyl 4-mercaptobenzoate?

For Methyl 4-mercaptobenzoate, Upstream Products: Methanol, 4-Mercaptobenzoic acid, 4,4'-Dithiobisbenzoic acid; Downstream Products: 4-(Trifluoromethylthio)benzoic acid, Methyl 4-(methylthio)benzoate, Methyl 4-(trifluoromethylthio)benzoate.

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. "Methyl 4-mercaptobenzoate (CAS 6302-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1164627-8 (accessed 2026-11-09).

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