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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...
Sinteza ortoacetatului trimetil

Sinteza ortoacetatului trimetil

Trimethyl orthoacetate, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, pesticides, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
Procesul de sinteză al clorurii de dicloroacetil

Procesul de sinteză al clorurii de dicloroacetil

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...