| Molecular formula: CO(NH2)2
Physical and chemical properties:
white or light red color solid granules. Its aqueous solution is weak alkaline. Hydrolysis reaction and condensation reaction are likely to happen.
Performing standard: GB2440-2001
Specification: Item | Industry use | Agriculture use | Fine | First-class | Qualified | Fine | First-class | Qualified | Appearance | White or light color granules | Total Nitrogen % ≥ | 46.5 | 46.3 | 46.3 | 46.4 | 46.2 | 46.0 | Biuret % ≤ | 0.5 | 0.9 | 1.0 | 0.9 | 1.0 | 1.5 | H2O % ≤ | 0.3 | 0.5 | 0.7 | 0.4 | 0.5 | 1.0 | Fe % ≤ | 0.0005 | 0.0005 | 0.0010 | | | | Alkalinity % ≤ | 0.01 | 0.02 | 0.03 | | | | Sulphate % ≤ | 0.005 | 0.010 | 0.020 | | | | Water insoluble matter % ≤ | 0.005 | 0.010 | 0.040 | | | | Particle size
(0.85mm- 2.80mm) % ≥ | 90 | 90 | 90 | 93 | 90 | 90 |
Usage:
It can be used in synthetic resin, medicine, dyes, paint, foodstuff and explosive industries. In agriculture, it can be used as fertilizer. |
