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| CAS号 : | 112-34-5 |
精确质量 : | 162.12600 |
| 分子式 : | C8H18O3 |
logP : | 0.81200 |
| 分子量 : | 162.22700 |
PSA : | 38.69000 |
二乙二醇丁醚 | |
Butyldiglycol | |
112-34-5 | |
C8H18O3 | |
162.22700 | |
38.69000 | |
0.81200 | |
162.12600 |
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n20/D 1.432
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5.6 (vs air)
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透明无色液体带有一种微弱丁基橡胶气味
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212 °F
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231 °C(lit.)
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-68 °C(lit.)
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soluble
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0.967 g/mL at 25 °C(lit.)
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3.39E-06mmHg at 25°C
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Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
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Keep away from heat and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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KJ9100000
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1
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S24-S26
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2909430000
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Xi
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R36
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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% |
1、先将丁醇和三氟化硼乙醚溶液加入反应器,加热升温至75~80℃,导入环氧乙烷,加完环氧乙烷后继续在75~80℃反应2~3h。反应结束后用5%的丁醇钠中和至pH为8,送入蒸馏塔进行蒸馏,低沸物为丁醇及乙二醇单丁醚,高沸物为一缩二乙二醇单丁醚粗品,继续蒸馏,常压下收集230.5~231.5℃的馏分即为成品。 | |
用作硝酸纤维素、清漆、印刷油墨、图章用印台油墨、油类、树脂等的溶剂。胶黏剂的稀释剂,乳胶漆的稳定剂,飞机涂料的蒸发抑制剂,高温烘烤瓷漆的表面加工改进剂。也用作从乙炔中分离丙炔的溶剂。 |