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| CAS号 : | 97-97-2 |
精确质量 : | 124.02900 |
| 分子式 : | C4H9ClO2 |
logP : | 0.84410 |
| 分子量 : | 124.56600 |
PSA : | 18.46000 |
2-氯乙醛缩二甲醇 | |
Dimethylchloroacetal | |
97-97-2 | |
C4H9ClO2 | |
124.56600 | |
18.46000 | |
0.84410 | |
124.02900 |
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n20/D 1.415(lit.)
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无色透明
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84 °F
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128-130 °C(lit.)
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-73 °C
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52 g/L (20 ºC)
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1.094 g/mL at 25 °C(lit.)
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Stable under normal temperatures and pressures.
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Flammables area
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3
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29110000
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2
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S28A-S26-S16
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III
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UN 1989 3/PG 3
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Xn
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R10; R20/21/22
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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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<p>由乙醛经缩合、氯化而得。将乙醛加入甲醇中，在38-40℃通氯，通氯后在40-43℃反应3h。降温至25-30℃，用石灰中和至pH7，静置分层，上层即氯乙醛缩二甲醇。</p> | |
<p>用作医药中间体。</p> |
