Οκτ 21, 2023 | Χωρίς κατηγοριοποίηση
Eliminate the reaction DBU has been used in a variety of elimination reactions to enable reagent molecules to introduce unsaturated bonds, ως ενδιάμεσα και πρώτες ύλες για οργανική σύνθεση, and just a few examples are enough to see the application of DBU in...
Οκτ 20, 2023 | Χωρίς κατηγοριοποίηση
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% προς την 30% of its own weight, and when the...
Οκτ 20, 2023 | Χωρίς κατηγοριοποίηση
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...
Οκτ 20, 2023 | Χωρίς κατηγοριοποίηση
Ορθοοξικός τριμεθυλεστέρας, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, φυτοφάρμακα, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
Οκτ 20, 2023 | Χωρίς κατηγοριοποίηση
Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, και χρησιμοποιείται επίσης ευρέως στον τομέα των βοηθών και της φαρμακευτικής σύνθεσης. The main synthesis methods are dichloroacetate acyl chloride method and...
