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| CAS号 : | 547-65-9 |
精确质量 : | 98.03680 |
| 分子式 : | C5H6O2 |
logP : | 0.48950 |
| 分子量 : | 98.09990 |
PSA : | 26.30000 |
2-甲烯基丁内酯 | |
α-methylene γ-butyrolactone | |
547-65-9 | |
C5H6O2 | |
98.09990 | |
26.30000 | |
0.48950 | |
98.03680 |
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86-88 °C12 mm Hg(lit.)
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1.119 g/mL at 25 °C(lit.)
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n20/D 1.472(lit.)
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99 °F
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2-8°C
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S23; S36/37
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1993
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3
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III
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3.2
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Xn
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R42/43
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2932209090
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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% |
从Erythrorium americanum中提取。 |
