499-78-5
中文名称
5-羟基-4-氧-4H-2-羧酸
英文名称
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 结构式
基本信息
中文别名
考闷酸2-羧基-5-羟基-4-吡喃酮
5-羟基-4-氧-4H-2-羧酸
5-羟基-4-氧代-4H-2-羧酸
5-羟基-4-氧-4H吡喃-2-羧酸
5-羟基-4-氧代-4H-吡喃-2-羧酸
英文别名
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)
物理化学性质
熔点284-294 °C
沸点240.29°C (rough estimate)
密度1.5720 (rough estimate)
折射率1.6400 (estimate)
酸度系数(pKa)1.70±0.20(Predicted)
形态solid
水溶解性5.1g/L(25 ºC)
InChI1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10)
InChIKeyUUUICOMMFFTCHS-UHFFFAOYSA-N
SMILESOC(=O)C1=CC(=O)C(O)=CO1
