中文名 | 5-羟基-4-氧-4H-2-羧酸 |
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英文名 | 5-hydroxy-4-oxopyran-2-carboxylic acid |
中文别名 |
5-羟基-4-氧代-4H-吡喃-2-羧酸
5-羟基-4-氧代-4H-2-羧酸 |
英文别名 |
2-Carboxy-5-hydroxy-4-pyrone
5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid Comenic acid 5-hydroxy-4-pyrone-2-carboxylic acid 5-hydroxy-2-carboxy-4-pyrone |
密度 | 1.819g/cm3 |
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沸点 | 420.7ºC at 760mmHg |
熔点 | 284-294ºC |
分子式 | C6H4O5 |
分子量 | 156.09300 |
闪点 | 187.7ºC |
精确质量 | 156.00600 |
PSA | 87.74000 |
LogP | 0.04360 |
蒸汽压 | 7.71E-09mmHg at 25°C |
折射率 | 1.66 |
危害码 (欧洲) | Xn: Harmful; |
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风险声明 (欧洲) | 22 |
海关编码 | 2932999099 |
~% 499-78-5 |
文献:Peratoner; Leone Gazzetta Chimica Italiana, 1894 , vol. 24 II, p. 81 |
~% 499-78-5 |
文献:Robiquet Annales de Chimie (Cachan, France), 1833 , vol. <2> 53, p. 428 |
~% 499-78-5 |
文献:Liebig Justus Liebigs Annalen der Chemie, 1833 , vol. 7, p. 237 Full Text Show Details How Justus Liebigs Annalen der Chemie, 1851 , vol. 80, p. 92 Anm. Justus Liebigs Annalen der Chemie, 1852 , vol. 83, p. 353 |
~% 499-78-5 |
文献:Robiquet Annales de Chimie (Cachan, France), 1832 , vol. <2> 51, p. 259,264 Justus Liebigs Annalen der Chemie, 1833 , vol. 5, p. 106,109 |
~% 499-78-5 |
文献:v. Korff Justus Liebigs Annalen der Chemie, 1866 , vol. 138, p. 195 |
~% 499-78-5 |
文献:Reibstein Journal fuer Praktische Chemie (Leipzig), 1881 , vol. <2> 24, p. 277 |
上游产品 4 | |
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下游产品 3 | |
海关编码 | 2932999099 |
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中文概述 | 2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |