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Carbodihydrazide

It 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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  • Carbodihydrazide
  • ThFine
  • CAS No. 497-18-7
  • Carbodihydrazide

Carbodihydrazide

CAS No. 497-18-7                                                                                          EINECS No.: 207-837-2

Molecular formula: CO(NHNH2)2                                                               RIDADR: UN3077                            

Molecular weight: 90.09

Alias: Hydrazine, 1,3-Diaminourea; Carbonic Dihydrazide

Molecular structure

Properties:

Carbodihydrazide is white crystal powder. Carbodihydrazide is very soluble in water and soluble in alcohol. Carbodihydrazide decomposes 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. Carbodihydrazide has dibasic and very reactive properties. Carbodihydrazide is used as a component in jet fuels because it produce a large amount of heat when burned. Carbodihydrazide is used as rocket fuel. Carbodihydrazide is used as an oxygen scavenger for water boiler feed and heating systems to prevent corrosion damage. Carbodihydrazide is used as a reducing agent for the recovery of precious metals. Carbodihydrazide is used as a polymerization catalyst and a chain extender in urethane coatings. Carbodihydrazide is used as an auxiliary in photographic industry to prevent discolouration. Carbodihydrazide is used as an intermediate for pharmaceuticals, stabilizers and water treatment chemicals. Carbodihydrazide 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, %

98.0min

Free hydrazine, ppm

500.0max

Weight loss %

0.2max

pH (12% water solution)

8.45±1.25


Usage:

When used as de-oxidant in boiler, put this product into water or use its water solution, the dosage of 0.5mol or above of carbodihydrazide for 1mol O2 is preferred. The suitable temperature range is 87.8-176.7℃. The reaction for carbodihydrazide with O2 is CON4H6+ 2O2= 2N2 + 3H2O + CO2


Package and Storage:

25kg inner liner PE bag, 1000kg woven bag, or customers’ requirement. 

Storage for one year in shady room and dry place.

Package


        Oxygen Scavenger

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