1-(2,4,6-Trichlorophenyl)-3-(p-nitroanilino)-2-pyrazoline-5-one

1-(2,4,6-三氯苯基)-3-(硝基苯胺)-2-吡唑啉-5-酮

Also known as: 1-(2,4,6-Trichlorophenyl)-3-(4-nitroanilino)-2-pyrazolin-5-one, 1-(2,4,6-Trichlorophenyl)-3-p-nitroanilino-2-pyrazolin-5-one, 3-(4-Nitroanilino)-1-(2,4,6-trichlorophenyl)-2-pyrazoline-5-one, 3-(4-Nitroanilino)-1-(2,4,6-trichlorophenyl)-5-pyrazolone, 3-(4-nitroanilino)-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one, 3-(p-Nitroanilino)-1-(2,4,6-trichlorphenyl)-5-pyrazolon, 3-(p-nitroanilino)-1-(2,4,6-trichlorophenyl)-2-pyrazolin-5-one, 5-(4-nitro-anilino)-2-(2,4,6-trichloro-phenyl)-1,2-dihydro-pyrazol-3-one, 5-(4-nitroanilino)-2-(2,4,6-trichlorophenyl)-4H-pyrazol-3-one, 5-[(4-nitrophenyl)amino]-2-(2,4,6-trichlorophenyl)-2,4-dihydro-3h-pyrazol-3-one, 3H-Pyrazol-3-one, 2,4-dihydro-5-[(4-nitrophenyl)amino]-2-(2,4,6-trichlorophenyl)-, 2,4-Dihydro-5-[(4-nitrophenyl)amino]-2-(2,4,6-trichlorophenyl)-3H-pyrazol-3-one, NSC 166498, Color Coupling Agent M-38

1-(2,4,6-Trichlorophenyl)-3-(p-nitroanilino)-2-pyrazoline-5-one (CAS 34320-82-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H9Cl3N4O3 and a molecular weight of 399.61600 g/mol. It is also known as 1-(2,4,6-Trichlorophenyl)-3-(4-nitroanilino)-2-pyrazolin-5-one, 1-(2,4,6-Trichlorophenyl)-3-p-nitroanilino-2-pyrazolin-5-one and 3-(4-Nitroanilino)-1-(2,4,6-trichlorophenyl)-2-pyrazoline-5-one. Key properties include a boiling point of 541.7ºC at 760mmHg, a density of 1.66g/cm3 and a flash point of 281.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

34320-82-6

Jingsj CID

J-20529-8

Molecular Formula

C₁₅H₉Cl₃N₄O₃

Chinese Name

1-(2,4,6-三氯苯基)-3-(硝基苯胺)-2-吡唑啉-5-酮

Molecular Weight

399.61600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026