Synonyms: 1, 3-Diaminourea; Carbonic dihydrazide; CHZ Oxygen Scavenger
CAS No.: 497-18-7
EINECS: 207-837-2
HS code: 2928000090
Molecular Formula: CH6N4O
Molecular weight: 90.08
Density: 1.02
Melting point: 150~158centigrade deree.
Character: White crystalline powder; Extremely soluble in water, insoluble in alcohol, ether, chloroform, benzene; Nonhygroscopic with strong reductibility.

Specifications
Content: 98%-100.9%
pH: 8.45(+/_)1.25
Free hydrazine: 250ppm max
Chloride: 10ppm max
Sulfate: 20ppm max
Copper: 1.0ppm max
Moisture: 0.2% max
Silica: 10.0ppm max
Iron: 4.0ppm max
Na: 4.0ppm max
Pb: 4.0ppm max

Application:
It can be used as an oxygen scavenger to prevent corrosion especially in boiler feed system, a rocket propellant components, color images and the quality of soap stabilizers, antioxidants rubber, boiler water deoxidants and metal passivation agents, it also used as an intermediate for orgnic synthesis.
Packing: 25kg in woven bag or in fibre drum.