1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[(2-nitrophenyl)azo]-2-oxonicotinonitrile

1-(2-乙基己基)-1,2-二氢-6-羟基-4-甲基-5-[(2-硝基苯基)偶氮]-2-氧代-3-吡啶腈

Also known as: 3-Cyano-1-(2-ethylhexyl)-6-hydroxy-4-methyl-5-(2-nitrophenylazo)pyridin-2(1H)-one, 1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[(2-nitrophenyl) azo]-2-oxo-3-Pyridinecarbonitrile, 1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[(2-nitrophenyl)azo]-2-oxo-3-pyridinecarbonitril, 3-Pyridinecarbonitrile, 1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[2-(2-nitrophenyl)diazenyl]-2-oxo-, 1-(2-ethylhexyl)-4-methyl-5-[2-(2-nitrophenyl)hydrazinylidene]-2,6-dioxo-1,2,5,6-tetrahydropyridine-3-carbonitrile

1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[(2-nitrophenyl)azo]-2-oxonicotinonitrile (CAS 51249-07-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H25N5O4 and a molecular weight of 411.45400 g/mol. It is also known as 3-Cyano-1-(2-ethylhexyl)-6-hydroxy-4-methyl-5-(2-nitrophenylazo)pyridin-2(1H)-one, 1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[(2-nitrophenyl) azo]-2-oxo-3-Pyridinecarbonitrile and 1-(2-ethylhexyl)-1,2-dihydro-6-hydroxy-4-methyl-5-[(2-nitrophenyl)azo]-2-oxo-3-pyridinecarbonitril. Key properties include a boiling point of 538.2ºC at 760mmHg, a density of 1.25g/cm3 and a flash point of 279.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

51249-07-1

Jingsj CID

J-54919-8

Molecular Formula

C₂₁H₂₅N₅O₄

Chinese Name

1-(2-乙基己基)-1,2-二氢-6-羟基-4-甲基-5-[(2-硝基苯基)偶氮]-2-氧代-3-吡啶腈

Molecular Weight

411.45400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026