3-(Acetylthio)propanoic acid

3-(乙酰硫代)丙酸

Also known as: 3-(Acetylthio)propionic acid, 3-acetylsulfanylpropanoic acid, 3-acetylsulfanyl-propionic acid, S-Acetyl-3-mercaptopropionic acid, Thioacetic Acid S-(2-Carboxyethyl) Ester, NSC 96653, Propanoic acid, 3-(acetylthio)-

3-(Acetylthio)propanoic acid (CAS 41345-70-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O3S and a molecular weight of 148.18000 g/mol. It is also known as 3-(Acetylthio)propionic acid, 3-acetylsulfanylpropanoic acid and 3-acetylsulfanyl-propionic acid. Key properties include a melting point of 48-52ºC, a boiling point of 272.8ºC at 760 mmHg, a density of 1.268g/cm3 and a flash point of 110ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41345-70-4
Jingsj CID
J-1312539-4
Molecular Formula
C5H8O3S
Chinese Name
3-(乙酰硫代)丙酸
Molecular Weight
148.18000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point48-52ºC
Boiling Point272.8ºC at 760 mmHg
Density1.268g/cm3
Flash Point110ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(Acetylthio)propanoic acid?

The CAS number of 3-(Acetylthio)propanoic acid is 41345-70-4.

What are the molecular formula and molecular weight of 3-(Acetylthio)propanoic acid?

3-(Acetylthio)propanoic acid has molecular formula C5H8O3S and molecular weight 148.18000 g/mol.

Is 3-(Acetylthio)propanoic acid hazardous?

3-(Acetylthio)propanoic 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. "3-(Acetylthio)propanoic acid (CAS 41345-70-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1312539-4 (accessed 2026-10-22).

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