Glycine, also known as amino acetic acid, amino acetic acid. Physical and chemical properties: white monoclinic crystal system or hexagonal crystal, or white crystalline powder, odorless, with special sweetness.
There are many production processes of glycine, and the main production processes with industrial production prospects include ammoniolysis of chloroacetic acid, synthesis of glycine by hydrogen cyanide, Strecker process and biosynthesis. At present, the main technology of chloro-acetic acid ammoniolysis in China is the reaction of acetic acid and chlorine to produce chloroacetic acid, and chloroacetic acid and ammonia can generate glycine and ammonium chloride under the catalytic action of ulotropin, and qualified glycine can be prepared by cooling crystallization, adding methanol to separation, filtration, centrifugation and drying.
As the downstream glycine of acetic acid, is an important fine chemical intermediate, widely used in medicine, food, pesticides, feed and other industries, 80% of which is used in pesticide production.