|Jmol-3D images||Image 2|
|Molar mass||90.09 g/mol|
150-153 °C, 423-426 K, 302-307 °F
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Carbohydrazide is used as an oxygen scavenger in water treatment for boilers. It is an alternative to the hazardous and potentially carcinogenic hydrazine. Carbohydrazide reacts with oxygen to make water, nitrogen and urea. It also passivates metals and reduces metal oxides (ferric oxide -> ferrous oxide; cupric oxide -> cuprous oxide).
It is widely used in the production of drugs, herbicides, plant growth regulators, and dyestuffs.
Hydrazinolyis of Carbonate Esters
(C2H5O)2CO + 2N2H4•H20 → NH2NHCONHNH2 + 2C2H5OH + 2H2O
Hydrazinolysis of Phosgene
ClCOCl + NH2NH2 → NH2NHCOCl
NH2NHCOCl + NH2NH2 → NH2NHCONHNH2
NH2NHCOCl + ClCOCl → ClCONHNHCOCl
ClCONHNHCOCl + NH2NH2 → NH2NHCONHNHCONHNH2
Hydrazinolysis of Carbazic Acid
NH2NHCOOH•NH2NH2 → NH2NHCONHNH2 + H2O
Carbohyrazide is used in the silver halide diffusion process as one of the toners. Carbohydrazide is used to stabilize color developers that produce images of the azo-methine and azine classes.
Heating carbohydrazide may result in an explosion. Carbohydrazide is harmful if swallowed, irritating to eyes, respiratory system, and skin. Carbohydrazide is toxic to aquatic organisms.
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