Name:Carbohydrazide
Alias: 1,3-Diaminourea; Carbonic dihydrazide
MF:CH6N4O
MW:90.08
CAS:497-18-7
EINECS:207-837-2
White crystals or powder
Density:1.02-1.08 g/cm3
Melting point:152-154 oC
Easily soluble in water, not soluble in ethanol,chloroform,ether and benzene.
Water solution is basic(alkali),1% solution PH:7.4(25oC)
Specification sheet(pure solid):
Test | Specifications |
Characteristics | White crystal |
Insoluble in water | 0.01% max |
Loss on drying | 0.2% max |
Melting point: | 150-155οC |
Free hydrazine | 500 ppm max |
PH(12% solution) | 7.0-9.7 |
Sulfate | 20 ppm max |
Silica | 10 ppm max |
Copper | 1 ppm max |
Chloride | 10 ppm max |
Assay | 99% min |
Specification sheet(liquid):
Oxygen scavenger
Model:WTOXY1001
Test | Specifications |
Characteristics | Colorless liquid |
Active Content | 10-15% |
PH | 7.0-9.7 |
Specific gravity | 1.0-1.05 |
Free hydrazine | 500 ppm max |
Sulfate | 20 ppm max |
Silica | 10 ppm max |
Copper | 1 ppm max |
Chloride | 10 ppm max |
Packing:25Kg/Bag;200KG/Drum(liquid solution)
Storage:valid for 12 months,in cool dry place, away from direct sunlight,source of heat.
Application:
Water treatment:oxygen scavenger in boiler system
Textile industry:formaldehyde scavenger
Organic synthesis intermediates
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