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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...
Syntéza trimethyl orthoacetátu

Syntéza trimethyl orthoacetátu

Trimethyl orthoacetate, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, pesticidy, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
Proces syntézy dichloracetylchloridu

Proces syntézy dichloracetylchloridu

Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, a je také široce používán v oblasti pomocných látek a farmaceutické syntézy. The main synthesis methods are dichloroacetate acyl chloride method and...