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urea producers
1.Application
Urea is mainly used as a neutral fertilizer, no effect on soil, suitable for all kinds of soil and plants, is a high-quality and efficient nitrogen fertilizer
2.Indentification
Synonyms:Carbamide
CAS No.:57-13-6
Chemical Formula:(NH2)2CO or CH4N2O
Chemical Name:Carbonyl diamide
HS CODE:3102100001
3.Physical and Chemical Index:
Appearance | White, Free Flowing, Free from Harmful Substances and Foreign Matters. |
Boiling Point | 131-135ºC |
Melting Point | 1080G/L(20ºC) |
Refractive index | n20/D 1.40 |
Flash point | 72.7°C |
Flash point | InChI=1/CH4N2O/c2-1(3)4/h(H4,2,3,4) |
Water soluble | 1080 g/L (20°C) |
4.Specification
Index name | Industrial Grade | Agricultural Grade | ||||
Superior | First-rate | qualified | Superior | First-rate | qualified | |
color | White color | White or light color | ||||
Total nitrogen (N) content (dry basis),% ≥ | 46.3 | 46.3 | 46.3 | 46.3 | 46.3 | 46.3 |
Biuret content,% ≤ | 0.5 | 0.9 | 1.0 | 0.9 | 1.0 | 1.5 |
Content of water (H2O),% ≤ | 0.3 | 0.5 | 0.7 | 0.5 | 0.5 | 1.0 |
Iron content (Fe),% ≤ | 0.0005 | 0.0005 | 0.0010 | - | - | - |
The alkalinity (NH3 meter),% ≤ | 0.01 | 0.02 | 0.03 | - | - | - |
Sulfate content (in SO) 4-2 meter),% ≤ | 0.005 | 0.010 | 0.020 | - | - | - |
Water insoluble matter,% ≤ | 0.005 | 0.010 | 0.040 | - | - | - |
Particle size (φ 0.85-2.80mm),% ≥ | 90 | 90 | 90 | 90 | 90 | 90 |