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| CAS号 : | 499-05-8 |
精确质量 : | 140.01100 |
| 分子式 : | C6H4O4 |
logP : | 0.33800 |
| 分子量 : | 140.09400 |
PSA : | 67.51000 |
靠曼酸 | |
4-oxopyran-2-carboxylic acid | |
499-05-8 | |
C6H4O4 | |
140.09400 | |
67.51000 | |
0.33800 | |
140.01100 |
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1.577
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160.049ºC
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0mmHg at 25°C
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1.542g/cm3
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354.54ºC at 760 mmHg
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2932999099
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R36/37/38
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S26; S36/37/39
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品名, 成分含量, 用途 |
|
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% |
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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% |
