carbohydrazide
Sign in to saveAlso known as diaminourea, carbonodihydrazide, hydrazinecarboxamide, cabazide, N-aminohydrazinecarboxamide, N-aminohydrazine carboxamide, 4-aminosemicarbazide, hydrazide hydrazinecarboxylic acid
Carbohydrazide is the chemical compound with the formula OC(N2H3)2. It appears as a white solid that is soluble in water, but not in many organic solvents, such as ethanol, ether or benzene. It decomposes upon melting. A number of carbazides are known where one or more N-H groups are replaced by other substituents. They occur widely in the drugs, herbicides, plant growth regulators, and dyestuffs.
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Encyclopedic overview
5 sectionsContents
- Production
- Structure
- Industrial uses
- Hazards
- References
Carbohydrazide is the chemical compound with the formula OC(N2H3)2. It appears as a white solid that is soluble in water, but not in many organic solvents, such as ethanol, ether or benzene. It decomposes upon melting. A number of carbazides are known where one or more N-H groups are replaced by other substituents. They occur widely in the drugs, herbicides, plant growth regulators, and dyestuffs.
==Production== Industrially the compound is produced by treatment of urea with hydrazine: OC(NH2)2 + 2 N2H4 → OC(N2H3)2 + 2 NH3 It can also be prepared by reactions of other C1-precursors with hydrazine, such as carbonate esters. It can be prepared from phosgene, but this route cogenerates the hydrazinium salt [N2H5]Cl and results in some diformylation. Carbazic acid is also a suitable precursor: N2NH3CO2H + N2H4 → OC(N2H3)2 + H2O
Excerpted from Wikipedia’s “carbohydrazide” article, available under the CC BY-SA 4.0 licence.