3,4-Dimethyl-1H-pyrazol-5-amine

3,4-二甲基-1H-吡唑-5-胺

Also known as: 3-Amino-4,5-dimethyl-1H-pyrazole, 4,5-Dimethyl-1H-pyrazol-3-amine, 3,4-Dimethylpyrazol-5-amine, 1H-Pyrazol-5-amine, 3,4-dimethyl-, 1H-Pyrazol-3-amine, 4,5-dimethyl-

3,4-Dimethyl-1H-pyrazol-5-amine (CAS 91159-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H9N3 and a molecular weight of 111.145 g/mol. It is also known as 3-Amino-4,5-dimethyl-1H-pyrazole, 4,5-Dimethyl-1H-pyrazol-3-amine and 3,4-Dimethylpyrazol-5-amine. Key properties include a melting point of 63-67ºC, a boiling point of 317.7±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 171.8±13.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

91159-73-8

Jingsj CID

J-1105373-0

Molecular Formula

C₅H₉N₃

Chinese Name

3,4-二甲基-1H-吡唑-5-胺

Molecular Weight

111.145 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026