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CAS号: 64178-58-1 英文名称: 4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE 英文同义词: 5-chloro-4-hydroxy-1H-pyridazin-6-one;4-Chloro-5-hydroxypyridazin-3(2H)-one;5-Chloro-6-hydroxy-1H-pyridazin-4-one;4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE;3(2H)-Pyridazinone, 4-chloro-5-hydroxy- 中文名称: 4-氯-5-羟基3(2H)-哒嗪 中文同义词: 4-氯-5-羟基-3-哒嗪酮;4-氯-5-羟基3(2H)-哒嗪;4-氯-5-羟基-3(2H)-哒嗪酮 分子式: C4H3ClN2O2 分子量: 146.53 熔点 : 270-273 °C(Solv: N,N-dimethylformamide (68-12-2)) 密度 : 1.79±0.1 g/cm3(Predicted) 酸度系数(pKa): 4.50±1.00(Predicted)