您好，欢迎来到魔法化学网！
| CAS号 : | 80-69-3 |
精确质量 : | 120.00600 |
| 分子式 : | C3H4O5 |
logP : | -1.48350 |
| 分子量 : | 120.06100 |
PSA : | 94.83000 |
丙醇二酸 | |
hydroxymalonic acid | |
80-69-3 | |
C3H4O5 | |
120.06100 | |
94.83000 | |
-1.48350 | |
120.00600 |
|
1.543
|
|
|
253ºC
|
|
|
471.4ºC at 760 mmHg
|
|
|
153-155°C (dec.)
|
|
|
1.841g/cm3
|
|
|
2-8ºC
|
|
S22-S26-S36/37/39-S36
|
|
|
Xi
|
|
|
R20/21/22
|
|
2933990090
|
|
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>以丙二酸二乙酯为原料,先在光照下加溴,减压蒸馏得到溴化丙二酯二乙酯。然后加氢氧化钾溶液,加热回流4h水解,用乙酸中和至pH为5。加氯化钡溶液,生成羟基丙二酸钡盐。酸化后减压蒸馏,用乙醚提取,最后用乙酸精制而得成品。</p> | |
<p>用于有机合成。</p> |
