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Main Uses Of Phenolphthalein

Main Uses Of Phenolphthalein

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...
Synthesis of Trimethyl orthoacetate

Synthesis of Trimethyl orthoacetate

Ortoacetat trimetil, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, pesticideve, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
Synthesis Process Of Dichloroacetyl Chloride

Synthesis Process Of Dichloroacetyl Chloride

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...