3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl-

3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl-

1,2-Dihydro-4-[(2-hydroxynaphthalen-1-yl)azo]-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one

CAS: 51359-15-0

Molecular Formula: C21H18N4O2

3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl- - Names and Identifiers

Name	1,2-Dihydro-4-[(2-hydroxynaphthalen-1-yl)azo]-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one
Synonyms	Antipyrylazo-β-naphthol 4-(2-Hydroxy-1-naphthylazo)antipyrine 1,2-Dihydro-4-[(2-hydroxynaphthalen-1-yl)azo]-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one 3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl-
CAS	51359-15-0

3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl- - Physico-chemical Properties

Molecular Formula	C21H18N4O2
Molar Mass	358.39
Density	1.27±0.1 g/cm3(Predicted)
Melting Point	165 °C(Solv: ethanol (64-17-5))
Boling Point	526.9±60.0 °C(Predicted)
pKa	9.03±0.50(Predicted)

3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl-

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3H-Pyrazol-3-one, 1,2-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1,5-dimethyl-2-phenyl-
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