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| CAS号 : | 762-21-0 |
精确质量 : | 170.05800 |
| 分子式 : | C8H10O4 |
logP : | 0.11600 |
| 分子量 : | 170.16300 |
PSA : | 52.60000 |
丁炔二酸二乙酯 | |
Diethyl acetylenedicarboxylate | |
762-21-0 | |
C8H10O4 | |
170.16300 | |
52.60000 | |
0.11600 | |
170.05800 |
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n20/D 1.443(lit.)
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透明淡黄色液体
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202 °F
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107-110 °C11 mm Hg(lit.)
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1-3 °C
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1.063 g/mL at 25 °C(lit.)
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Stable at room temperature in closed containers under normal storage and handling conditions.
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0-6ºC
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3
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29171990
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8
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S26-S36/37/39-S45-S25
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III
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UN 3265 8/PG 2
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C
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R34
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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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