(Amidinothio)acetic acid

(脒基硫代)乙酸

Also known as: 2-[(aminoiminomethyl)thio]acetic acid, S-(Carboxymethyl)isothiourea, pseudothiohydantoic acid, carboxymethylisothiourea, 2-carbamimidoylsulfanylacetic acid, 2-{[amino(imino)methyl]sulfanyl}acetic acid, (amidinothio)acetic acid purum, Acetic acid, 2-[(aminoiminomethyl)thio]-

(Amidinothio)acetic acid (CAS 7404-50-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6N2O2S and a molecular weight of 134.15700 g/mol. It is also known as 2-[(aminoiminomethyl)thio]acetic acid, S-(Carboxymethyl)isothiourea and pseudothiohydantoic acid. Key properties include a melting point of -234ºC (dec.), a boiling point of 307.9ºC at 760 mmHg, a density of 1.61 g/cm3 and a flash point of 140ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7404-50-4
Jingsj CID
J-1519283-9
Molecular Formula
C3H6N2O2S
Chinese Name
(脒基硫代)乙酸
Molecular Weight
134.15700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-234ºC (dec.)
Boiling Point307.9ºC at 760 mmHg
Density1.61 g/cm3
Flash Point140ºC

Frequently Asked Questions

What is the CAS number of (Amidinothio)acetic acid?

The CAS number of (Amidinothio)acetic acid is 7404-50-4.

What are the molecular formula and molecular weight of (Amidinothio)acetic acid?

(Amidinothio)acetic acid has molecular formula C3H6N2O2S and molecular weight 134.15700 g/mol.

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

Last updated:

How to cite: Jingsj. "(Amidinothio)acetic acid (CAS 7404-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519283-9 (accessed 2026-10-24).

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