1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol

5-羟基-1-甲基-3-三氟甲基-1H-吡唑

Also known as: 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol, 2-Methyl-5-(trifluoromethyl)-2H-pyrazol-3-ol, 5-Hydroxy-1-methyl-3-(trifluoromethyl)pyrazole, 5-Hydroxy-1-methyl-3-trifluoromethyl-1H-pyrazole, 1H-Pyrazol-5-ol, 1-methyl-3-(trifluoromethyl)-, 2-Methyl-3-hydroxy-5-trifluoromethylpyrazole, 2-Methyl-5-trifluoromethyl-2H-pyrazol-3-ol, 2-methyl-5-(trifluoromethyl)-1H-pyrazol-3-one, 3-(Trifluoromethyl)-1-methyl-1H-pyrazol-5-ol, MFCD00139833

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol (CAS 122431-37-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5F3N2O and a molecular weight of 166.101 g/mol. It is also known as 2-Methyl-5-(trifluoromethyl)-2H-pyrazol-3-ol, 5-Hydroxy-1-methyl-3-(trifluoromethyl)pyrazole and 5-Hydroxy-1-methyl-3-trifluoromethyl-1H-pyrazole. Key properties include a melting point of 177-179ºC, a boiling point of 224.4±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 89.5±25.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

122431-37-2

Jingsj CID

J-39326-3

Molecular Formula

C₅H₅F₃N₂O

Chinese Name

5-羟基-1-甲基-3-三氟甲基-1H-吡唑

Molecular Weight

166.101 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026