中文名 | 5-羟基-4-氧-4H-2-羧酸 |
英文名 | 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid |
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 acid 5-Hydroxy-4-oxo- 5-hydroxy-4-pyrone-2-carboxylic acid 5-hydroxy-4-oxopyran-2-carboxylic acid 5-hydroxy-4-oxo-pyran-2-carboxylic acid 5-hydroxy-4-keto-pyran-2-carboxylic acid 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 2-Carboxy-5-hydroxy-4-pyrone, Comenic acid 4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- |
CAS | 499-78-5 |
EINECS | 207-891-7 |
化学式 | C6H4O5 |
分子量 | 156.09 |
InChI | InChI=1/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10) |
密度 | 1.5720 (rough estimate) |
熔点 | 284-294°C |
沸点 | 240.29°C (rough estimate) |
闪点 | 187.7°C |
水溶性 | 5.1g/L(25 ºC) |
蒸汽压 | 7.71E-09mmHg at 25°C |
折射率 | 1.6400 (estimate) |
危险品标志 | Xn - 有害物品 |
风险术语 | 22 - 吞食有害。 |
WGK Germany | 3 |
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