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| CAS号 : | 21490-63-1 |
精确质量 : | 72.05750 |
| 分子式 : | C4H8O |
logP : | 0.79360 |
| 分子量 : | 72.10570 |
PSA : | 12.53000 |
反式-2,3-环氧丁烷 | |
trans-2,3-Epoxybutane | |
21490-63-1 | |
C4H8O | |
72.10570 | |
12.53000 | |
0.79360 | |
72.05750 |
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n20/D 1.373
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56.5ºC at 760mmHg
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0.804
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S16-S23-S26-S36/37/39
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II
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UN 3271 3/PG 2
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F; Xi
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R11; R20/21/22; R36/37/38
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2910900090
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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% |
