OCT 21, 2023 | Necategorizat
Eliminate the reaction DBU has been used in a variety of elimination reactions to enable reagent molecules to introduce unsaturated bonds, ca intermediari și materii prime pentru sinteză organică, and just a few examples are enough to see the application of DBU in...
OCT 20, 2023 | Necategorizat
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% la 30% of its own weight, and when the...
OCT 20, 2023 | Necategorizat
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...
OCT 20, 2023 | Necategorizat
Ortoacetat de trimetil, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, pesticide, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
OCT 20, 2023 | Necategorizat
Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, și este, de asemenea, utilizat pe scară largă în domeniul auxiliarelor și sintezei farmaceutice. The main synthesis methods are dichloroacetate acyl chloride method and...