Water Treatment Chemicals, Phosphonates, Polymers, Biocides

Oxygen Scavenger


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

Molecular Formula: CH6N4O

Molecular weight: 90.09

Molecular structure

Carbohydrazide Molecular structure


Carbohydrazide is a white crystal line powder or pellets. The active content of Carbohydrazide is 98.0-100.9%.


Item Index
Appearance White crystal line powder or pellets
Active Content (%) 98.0-100.9%
PH (12% Solution, @ 25 ℃) 8.45±1.25
 Free Hydrazine ≤250ppm
Chloride (Cl) ≤10ppm
Sulfate (SO4) ≤20ppm
Silica (SiO2) ≤10ppm
Copper (Cu) ≤1ppm
Iron (Fe) ≤4ppm
Sodium (Na) ≤4ppm
Lead (Pb) ≤4ppm
 Moisture  ≤0.2%


Carbohydrazide 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, Carbohydrazide also used as an intermediate for orgnic synthesis.

Package and storage

Packed in 25kg or 50kg in woven bag or in fibre drum.

Store in a cool, dry, well-ventilated area away from incompatible substances. Keep container closed when not in use.


Carbohydrazide; 1,3-Diaminourea; Carbonic Dihydrazide; CHZ Oxygen Scavenger

Shandong IRO Water Treatment Co., Ltd.

Office Address: 2802, 1st Building, No.19 Zhangzhou 2nd Rd, Qingdao, China
Factory Address: Qicun Town, Shizhong, Zaozhuang, Shandong, China
Tel: +86-532-85027466 Fax: +86 532 85028486
Email: info@irowater.com

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