CAS：57-13-6 EINECS：200-315-5 MF：CH4N2O MW：60.06 Appearance：White free flowing granular N content：≥46%
Specification
Item
standard
test result
Urea Assay (wt %)
99.0 min
99.1
Granulate size
0.85-2.80mm
94%
Moisture (wt %)
0.5 max
0.34
Nitrogen(wt %)
46
46.4
Biuret (wt %)
1.0 max
0.78
Aldehydes (ppm)
5 max
3
Free Ammonium (wt %)
0.01
0.01
Insolubles (ppm)
20
17
Fe (mg/kg)
0.5 max
Less than 0.2
Al (mg/kg)
0.5max
Less than 0.2
Cu (mg/kg)
0.5 max
Less than 0.2
Zn (mg/kg)
0.5 max
Less than 0.2
Cr (mg/kg)
0.5 max
Less than 0.2
Ni (mg/kg)
0.5 max
Less than 0.2
Mg (mg/kg)
0.5 max
Less than 0.2
Na (mg/kg)
0.5max
Less than 0.2
K (mg/kg)
0.5 max
Less than 0.2
Ash (ppm)
100 max.
Less than 10
Phosphate(ppm)
0.5 max
Less than 0.2
Heavy Metal( ppm)
0.5
0.4
Additive
NONE
NONE
pH (10 wt% solution)
9.0 ~ 10.0
9.48
Application
1. Urea is used as a fertilizer in agriculture；
2. Urea is Selective reductants for denitrification of combustion exhaust gases, and urea for vehicles.
3. Urea is used as a moisturizer in cosmetics.
4. Urea is used industrially as a feed additive.
