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| CAS号 : | 20605-01-0 |
精确质量 : | 220.09500 |
| 分子式 : | C9H16O6 |
logP : | -0.91640 |
| 分子量 : | 220.22000 |
PSA : | 93.06000 |
双羟甲基丙二酸二乙酯 | |
diethyl 2,2-bis(hydroxymethyl)propanedioate | |
20605-01-0 | |
C9H16O6 | |
220.22000 | |
93.06000 | |
-0.91640 | |
220.09500 |
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白色粉末
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1.4331 (20ºC)
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Stable under normal temperatures and pressures.
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>230 °F
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2.45E-06mmHg at 25°C
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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49-51 °C(lit.)
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1.224 g/cm3
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356.4ºC at 760 mmHg
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2918199090
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3
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R36/37/38
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S23-S24/25
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Xi
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品名, 成分含量, 用途 |
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HS: 2918199090. 其他含醇基但不含其他含氧基羧酸（包括其酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
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2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
1.制法: 于装有搅拌器、温度计、滴液漏斗的反应瓶中,加入含60g(2.0mol)甲醛的甲醛水溶液,碳酸钾8g水浴冷却,搅拌下滴加丙二酸二乙酯 | |
化工和药物中间体。 |
![2,2-二甲基-[1,3]二恶烷-5,5-二甲酸二乙酯](https://www.chemicalbook.com/CAS/GIF/51335-75-2.gif)
