It is colorless or white ordorless little flakes or crystalline powder. It has hygroscopicity. Relative density is 1.335.
1,Chemical Name: UREA
2,Molecular Formula : CH4N2O
3,Molecular Weight: 60.06
4,CAS: 57-13-6
5,Character: It is colorless or white ordorless little flakes or crystalline powder. It has hygroscopicity. Relative density is 1.335. Melting point is 132.7°C(decompose). It’s soluble in water, ethanol and benzene, almost insoluble in aether and chloroform.
6,Usage: It is used as yeast food and gum confection improver. It also can be used in ethanol drinks, glutin products, wines and yeast fermented baking products.
7,Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8,Storage and Transport: It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.
Specification | FAO/WHO,1993 | FCC,1996 |
Content(Dry Basis)≤% | 99.0-101.0 | 99.0-100.5 |
Loss On Drying≤% | 1.0 | 1.0 |
Sulfate Ash≤% | 0.1 | 0.1 |
Insoluble In Ethanol≤% | 0.04 | 0.04 |
Alkalinity | Normal | -- |
Ammonium Ion≤% | 0.05 | -- |
Biuret≤% | 0.1 | -- |
As | 0.0003 | 0.0003 |
Heavy Metals≤% | 0.001 | 0.001 |
Chlorides≤% | -- | 0.007 |
Pb≤% | -- | 0.0005 |
Sulfates≤% | -- | 0.01 |
