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| CAS号 : | 499-78-5 |
精确质量 : | 156.00600 |
| 分子式 : | C6H4O5 |
logP : | 0.04360 |
| 分子量 : | 156.09300 |
PSA : | 87.74000 |
5-羟基-4-氧-4H-2-羧酸 | |
5-hydroxy-4-oxopyran-2-carboxylic acid | |
499-78-5 | |
C6H4O5 | |
156.09300 | |
87.74000 | |
0.04360 | |
156.00600 |
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1.66
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187.7ºC
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7.71E-09mmHg at 25°C
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284-294ºC
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1.819g/cm3
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420.7ºC at 760mmHg
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GHS07 | |
警告 | |
H302 | |
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2932999099
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R22
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Xn
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品名, 成分含量, 用途 |
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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% |