окт 21, 2023 | Некатегоризиран
Eliminate the reaction DBU has been used in a variety of elimination reactions to enable reagent molecules to introduce unsaturated bonds, as intermediates and raw materials for organic synthesis, and just a few examples are enough to see the application of DBU in...
окт 20, 2023 | Некатегоризиран
1. Application in hair treatment agent The important characteristic of diamine is that its homopolymer or copolymer is insoluble in water, but it has “water respiration”, the water absorption rate reaches 20% да се 30% of its own weight, and when the...
окт 20, 2023 | Некатегоризиран
1. Used as an acid-base indicator and an indicator for determining the acid value of oil Phenolphthalein has a very interesting color-changing reaction. Under acid-near-neutral conditions (pH0-8.2), phenolphthalein molecules do not dissociate and are colorless. In the...
окт 20, 2023 | Некатегоризиран
Триметил ортоацетат, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, пестициди, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
окт 20, 2023 | Некатегоризиран
Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, and is also widely used in the field of auxiliaries and pharmaceutical synthesis. The main synthesis methods are dichloroacetate acyl chloride method and...
