499-78-5
中文名稱
5-羥基-4-氧-4H-2-羧酸
英文名稱
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
CAS
499-78-5
分子式
C6H4O5
分子量
156.09
MOL 文件
499-78-5.mol
499-78-5 結(jié)構(gòu)式
基本信息
中文別名
考悶酸2-羧基-5-羥基-4-吡喃酮
5-羥基-4-氧-4H-2-羧酸
5-羥基-4-氧代-4H-2-羧酸
5-羥基-4-氧-4H吡喃-2-羧酸
5-羥基-4-氧代-4H-吡喃-2-羧酸
英文別名
Comenic acid5-Hydroxy-4-oxo-
5-hydroxy-4-pyrone-2-carboxylic acid
5-hydroxy-4-oxo-2-pyrancarboxylic acid
5-hydroxy-4-oxopyran-2-carboxylic acid
5-hydroxy-4-oxo-pyran-2-carboxylic acid
5-hydroxy-4-keto-pyran-2-carboxylic acid
4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo-
2-Carboxy-5-hydroxy-4-pyrone, Comenic acid
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid(SALTDATA: FREE)
物理化學(xué)性質(zhì)
熔點284-294 °C
沸點240.29°C (rough estimate)
密度1.5720 (rough estimate)
折射率1.6400 (estimate)
酸度系數(shù)(pKa)1.70±0.20(Predicted)
形態(tài)solid
水溶解性5.1g/L(25 ºC)
EPA化學(xué)物質(zhì)信息4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5)
