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Carbohydrazide

CAS NO. 497-18-7
Structural formula
Molecular formula CON4H6
Molecular weight 90.09
Properties

Carbohydrazide is white crystal powder. Carbohydrazide is very soluble in water and soluble in alcohol. Carbohydrazidedecomposes on heating or exposure to uv to form ammonia, hydrogen, and nitrogen, which may be explosive with a blue flame when catalyzed by metal oxides and some metals such as platinum or raney nickel. Carbohydrazide 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. Recently, hydrazine is applied to lcd (liquid crystal displays) as the fuel to make faster thin-film transistors.

Specification
Items Index
Appearance White crystal powder
Purity,% 98.0
Free hydrazine mg/L ≤ 250.0
Loss on drying % ≤ 0.2
pH(12% water solution) 8.45±1.25
Usage When used as boiler deoxidizer, carbohydrazide can be put into water or its aqueous solution can be used. The amount of carbohydrazide for 1 mol of O2 is 0.5 mol, and an appropriate excess. The applicable temperature range is 87.8-176.7℃. The timing of using carbohydrazide is after thermal deoxygenation. The reaction of carbohydrazide and oxygen is as follows:CON4H6+ 2O2= 2N2?+ 3H2O + CO2
Package 25Kg/bag ,25Kg/fiber drum, customers' requirements.Storage for one year in shady room and dry place.

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