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CAS号: 51359-15-0 英文名称: 1,2-Dihydro-4-[(2-hydroxynaphthalen-1-yl)azo]-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one 英文同义词: 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- 中文名称: 中文同义词: 分子式: C21H18N4O2 分子量: 358.39 熔点 : 165 °C(Solv: ethanol (64-17-5)) 沸点 : 526.9±60.0 °C(Predicted) 密度 : 1.27±0.1 g/cm3(Predicted) 酸度系数(pKa): 9.03±0.50(Predicted)