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| CAS号 : | 96-35-5 |
精确质量 : | 90.03170 |
| 分子式 : | C3H6O3 |
logP : | -0.84830 |
| 分子量 : | 90.07790 |
PSA : | 46.53000 |
乙醇酸甲酯 | |
Methyl Glycolate | |
96-35-5 | |
C3H6O3 | |
90.07790 | |
46.53000 | |
-0.84830 | |
90.03170 |
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n20/D 1.417(lit.)
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3.12 (vs air)
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透明液体
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153 °F
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149-151 °C(lit.)
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149-151 °C
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1.167 g/mL at 25 °C(lit.)
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Stable under normal temperatures and pressures.
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17 mm Hg ( 52 °C)
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Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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3
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S23-S24/25
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I; II; III
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Xi
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R36/37/38
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2918199090
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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% |
<p>1.制法：于装有搅拌器、回流冷凝管器的反应瓶中，加热氯乙酸<br>（2）940g（10mol），30%的氢氧化钠溶液1.33kg（10mol），搅拌下沸水浴反应1h。减压浓缩，分次滤去析出的氯化钠，氯化钠用少量水洗涤，如此反复多次，共滤出氯化钠550～600g。最后水泵减压，油浴加热至160℃。冷至100℃，过滤，得浆状液体。加热碳酸钠中和，放置过夜，过滤。蒸出甲醇，减压分馏，收集65～85℃/6.7～8.0kPa的馏分。调整pH后过滤，再分馏一次，得产物<br>（1）270g，收率30%。</p> | |
<p>用于有机合成，高档的清洁溶剂。</p> |
