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二乙二醇甲醚
英文名称:diethylene glycol monomethylether;methyl carbitol;methyldiglycol.
CAS号:111-77-3
纯度:99%
结构或分子式:C5H12O3
密度:1.0210( 20℃/4℃)
熔点:-70℃
沸点:101.3 kPa:194℃
闪点:93 ℃( Open cup).
折射率:1.4264(20℃)
粘度:3.48 mPa.s at 25℃.
表面张力:34.8 mN/m at 25℃.
性状:无色液体,微有醚味。
溶解情况:易溶于水,醇,醚酮和许多有机溶剂,能溶解油脂,天然树脂,纤维素,醋酸乙烯酯,染料,聚氯乙烯等。
用途:用作硝酸纤维素、树脂,溶剂染料等的溶剂,也用作石油烃的萃取剂.
质检项目 | 项目指标值 |
---|
密度(20℃)/(g/mL) | 1.015~1.025 |
沸程/℃ | 192.0~195.0 |
水溶解试验 | 合格 |
醇溶解试验 | 合格 |
灼烧残渣 | ≤0.005% |
酸度(以H+计)/(mmol/100g) | ≤0.16 |
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