5-Mercapto-1H-tetrazole-1-acetic acid

5-巯基-1H-四氮唑-1-乙酸

Also known as: MTAA, 2,5-Dihydro-5-thioxo-1H-tetrazole-1-acetic acid, 2,5-Dihydro-5-thioxo-1H-tetrazol-1-acetic acid, 5-Mercaptotetrazole-1-acetic acid, (5-Mercapto-1H-tetrazol-1-yl)acetic acid, 1-carboxymethyl-5-mercapto-1H-tetrazole, 1-carboxymethyl-1H-tetrazole-5-thiol, 1-carboxymethyl-5-mercaptotetrazole, 5-mercapto-1-carboxymethyl-1,2,3,4-tetrazole, EINECS 260-884-0, MFCD00083000

5-Mercapto-1H-tetrazole-1-acetic acid (CAS 57658-36-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H4N4O2S and a molecular weight of 160.15400 g/mol. It is also known as MTAA, 2,5-Dihydro-5-thioxo-1H-tetrazole-1-acetic acid and 2,5-Dihydro-5-thioxo-1H-tetrazol-1-acetic acid. Key properties include a melting point of 164 - 168ºC, a boiling point of 284.7ºC at 760 mmHg, a density of 1.99 g/cm3 and a flash point of 126ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57658-36-3

Jingsj CID

J-1093055-3

Molecular Formula

C₃H₄N₄O₂S

Chinese Name

5-巯基-1H-四氮唑-1-乙酸

Molecular Weight

160.15400 g/mol

Category

Organic Acids

Last updated

8/21/2026