3-Mercaptobenzoic acid

3-巯基苯甲酸

Also known as: 3-Mercaptobenzoic acid, 3-Sulfanylbenzoic acid, m-Mercaptobenzoic acid, NSC 32021, 3-Sulfanylbenzenecarboxylic acid, Benzoic acid, 3-mercapto-, MFCD00238636

CAS No.
4869-59-4
Jingsj CID
J-44974-8
Molecular Formula
C7H6O2S
Chinese Name
3-巯基苯甲酸
Molecular Weight
154.186 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point144-147 °C(lit.)
Boiling Point322.7±25.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point149.0±23.2 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Mercaptobenzoic acid?

4869-59-4

What are the molecular formula and molecular weight of 3-Mercaptobenzoic acid?

C7H6O2S, molecular weight 154.186 g/mol

Is 3-Mercaptobenzoic acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026