介绍了环氧氯丙烷合成新工艺:在催化剂和添加剂存在下,甘油与工业盐酸反应制得二氯丙醇,然后二氯丙醇与碱反应制得环氧氯丙烷产品。
Epichlorohydrin was synthesized from alkali and glycerol dichlorohydrin which was synthesized from glycerol and industrial hydrochloric acid in the presence of catalyst and additive.
建立了毛细管气相色谱法测定甲磺酸齐拉西酮中残留溶剂乙醇、异丙醇、二氯甲烷、正己烷、四氢呋喃、D MF、丙二酸二甲酯的残留量。
A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.
发现酸水解HVP产品氯丙醇污染严重,氯丙醇的典型代表3-氯-1,2-丙二醇(3-MCPD)的几何均数达到6。
Results showed that levels of 3-monochloropropane-1,2-diol (3-MCPD) of HVP products are relatively high with a geometrical mean of 6.
报道了一类1,1-二取代炔丙醇(1)氯代产物与4-甲基-7-羟基香豆素反应的异常缩合产物。
This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.
报道了一类1,1-二取代炔丙醇(1)氯代产物与4-甲基-7-羟基香豆素反应的异常缩合产物。
This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.
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