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| CAS号 : | 2199-86-2 |
精确质量 : | 257.94900 |
| 分子式 : | C10H4Cl2O4 |
logP : | 2.79800 |
| 分子量 : | 259.04200 |
PSA : | 67.51000 |
6,8-二氯-2-氧代-2H-苯并吡喃-3-羧酸 | |
6,8-dichloro-2-oxochromene-3-carboxylic acid | |
2199-86-2 | |
C10H4Cl2O4 | |
259.04200 | |
67.51000 | |
2.79800 | |
257.94900 |
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1.657
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232.4ºC
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460.7ºC at 760mmHg
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198ºC
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1.712g/cm3
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2.77E-09mmHg at 25°C
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S26-S36/37/39
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Xn
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R20/21/22; R36/37/38
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2933990090
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2933990090. 其他仅含氮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% | |
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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