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