4H-Pyran-2-carboxylicacid, 5-hydroxy-4-oxo-, methyl ester
- 中文别名:5-羟基-4-氧代-吡喃-2-甲酸甲酯
- 中文释义:5-羟基-4-氧代-吡喃-2-甲酸甲酯
- 英文别名:methyl 5-hydroxy-4-oxopyran-2-carboxylate;
5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID METHYL ESTER;
Komensaeure-methylester;
4H-Pyran-2-carboxylic acid,5-hydroxy-4-oxo-,methyl ester;
Methyl comenate;
methyl 5-hydroxy-4-oxo-4H-pyran-2-carboxylate
- CAS No.:49652-51-9
- 分子式:C7H6O5
- 分子量:0
- 精确分子量:170.02200
- PSA:76.74000
- InChI:The Key: ZPGGNADHMKRUDT-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.53g/cm3
- 沸点:
- 357.875ºC at 760 mmHg
- 闪点:
- 154.307ºC
- 折射率:
- 1.571
安全信息
- 密度:
- 1.53g/cm3
- 沸点:
- 357.875ºC at 760 mmHg
- 闪点:
- 154.307ºC
- 折射率:
- 1.571
海关数据
中国海关编码:2932999099
- 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
- 摘要/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%