4-Mercaptobutanoic acid

4-巯基丁酸

Also known as: 4-Mercaptobutyric acid, 4-Thiobutyric acid, Butanoic acid, 4-mercapto-, gamma-Mercaptobutyric acid, GMBA, 4-Sulfanylbutanoic acid

4-Mercaptobutanoic acid (CAS 13095-73-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H8O2S and a molecular weight of 120.170 g/mol. It is also known as 4-Mercaptobutyric acid, 4-Thiobutyric acid and Butanoic acid, 4-mercapto-. Key properties include a boiling point of 262.5±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 112.6±22.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13095-73-3
Jingsj CID
J-1509604-5
Molecular Formula
C4H8O2S
Chinese Name
4-巯基丁酸
Molecular Weight
120.170 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point262.5±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point112.6±22.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Mercaptobutanoic acid?

The CAS number of 4-Mercaptobutanoic acid is 13095-73-3.

What are the molecular formula and molecular weight of 4-Mercaptobutanoic acid?

4-Mercaptobutanoic acid has molecular formula C4H8O2S and molecular weight 120.170 g/mol.

Is 4-Mercaptobutanoic acid hazardous?

4-Mercaptobutanoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-Mercaptobutanoic acid (CAS 13095-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509604-5 (accessed 2026-10-22).

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