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| CAS号 : | 930-60-9 |
精确质量 : | 96.02110 |
| 分子式 : | C5H4O2 |
logP : | 0.08450 |
| 分子量 : | 96.08410 |
PSA : | 34.14000 |
4-环戊烯-1,3-二酮 | |
cyclopent-4-ene-1,3-dione | |
930-60-9 | |
C5H4O2 | |
96.08410 | |
34.14000 | |
0.08450 | |
96.02110 |
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1.523
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83.9ºC
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60ºC1 mm Hg(lit.)
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34-36ºC(lit.)
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1.28g/cm3
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2-8ºC
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S23; S36/37
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III
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UN 1759
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Xi; Xn
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R37; R43; R22
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2914299000
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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% |
