尿素

CAS number: 57-13-6
EINECS number: 200-315-5
Formula: CH4N2O
Molecular weight: 60.05
Density: 1.335
Melting point: 131-135 degrees
Water-soluble: 1080 g/L (20 degrees)

ITEM SPECIFICATION TEST RESULT
Nitrogen 46.0% min 46.26%
Biuret 1.5% max 0.05%
Moisture 0.5 ppm max 0.46%
Aresenic 50ppm max <0.50
Cadmium 10ppm max <0.05
Lead 100ppm max <0.25
Mercury 5ppm max <0.15
Choromium 500ppm max <0.25
Nickel 50ppm max <1.00