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CAS号: 33549-66-5 英文名称: 4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+% 英文同义词: 4,4-Dibromo-3-methyl-2-pyrazolin-5-one;4,4-Dibromo-3-methyl-1H-pyrazol-5(4H)-one;4,4-Dibromo-3-methyl-2-pyrazolin-5-one, 98+%;4,4-DibroMo-2,4-dihydro-5-Methyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 4,4-dibromo-2,4-dihydro-5-methyl- 中文名称: 4,4-二溴-3-甲基-2-吡唑啉-5-酮, 98+% 中文同义词: 4,4-二溴-3-甲基-2-吡唑啉-5-酮;4,4-二溴-3-甲基-2-吡唑啉-5-酮, 98+% 分子式: C4H4Br2N2O 分子量: 255.9 熔点 : 129-132°C 密度 : 2.44±0.1 g/cm3(Predicted) 酸度系数(pKa): 9.27±0.60(Predicted)