3-Mercaptopropionic acid

3-巯基丙酸

Also known as: 3-Mercaptopropanoic acid, β-Mercaptopropionic acid, Thiopropionic acid, 3-Sulfanylpropanoic acid, β-Thiopropionic acid, Thiohydracrylic acid, 3-MPA, Propanoic acid, 3-mercapto-

CAS No.
107-96-0
Jingsj CID
J-6357-1
Molecular Formula
C3H6O2S
Chinese Name
3-巯基丙酸
Molecular Weight
106.144 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point17 °C
Boiling Point217.4±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point93.9±0.0 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Mercaptopropionic acid?

107-96-0

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

C3H6O2S, molecular weight 106.144 g/mol

Is 3-Mercaptopropionic acid hazardous?

Danger

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