内容标题
CHZ
Author:intertidadmin    PublishDate:2017-03-17    Word:【Big】【Middle】【Litter

CHZ.jpg

Alias                      : 1,3-Diaminomocovina, Carbonic dihydrazide; Carbazide; Cardonic

                                dihydrazide; 4-aminosemicarbazide; Carbonohydrazide

Molecular formula : CH6N4O

Molecular weight   : 90.11

Molecular structure:

                  

 QQ截图20170330133721.jpg

 

CAS No.          : 497-18-7

 

Appearance:                 White fine columnar crystal

Purity:                          98.0% -100.0%

Free hydrazine:            500ppm max

Weight Loss on drying: 0。2% max

pH Value ( 12g/L aqueous solution): 7。2-9。7

 

Packing: 20-25 kgs / paper bag; 25 kgs / fiber drum; or as per required.

 

Properties and Application: Carbohydrazide easily decomposes in the melt processing. It is well soluble in water, insoluble in alcohol, ether, chloroform and benzene. Carbohydrazide is a derivative of hydrazine and has strong reducibility. It has dibasic and very reactive properties. Carbohydrazide is used as a component in jet fuels because it produce a large amount of heat when burned. Carbohydrazide is used as rocket fuel. Carbohydrazide is used as an oxygen scavenger for water boiler feed and heating systems to prevent corrosion damage. Carbohydrazide is used as a reducing agent for the recovery of precious metals. Carbohydrazide is used as a polymerization catalyst and a chain extender in urethane coatings. Carbohydrazide is used as an auxiliary in photographic industry to prevent discolouration. Carbohydrazide is used as an intermediate for pharmaceuticals, stabilizers and water treatment chemicals. Carbohydrazide and its derivatives are versatile intermediates。 They have active applications in organic synthesis for agrochemicals, pharmaceuticals, photographic, heat stabilizers, polymerization catalysts, flame- retardants, blowing agents for plastics, explosives, and dyes。

 

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