Urea USP 5KG | |||
99920SR500 | 242021813LQ | ||
USP | 2420218 | ||
57-13-6 | 41766 | ||
CH4N2O | December 2017 | ||
60.06 | November 2020 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | White crystalline powder, Is practically odorless, but may gradually develop a slight odor of ammonia upon long standing | Colorless to white, prismatic crystals, or white, crystalline powder, or small white pellets. Is practically odorless, but may gradually develop a slight odor of ammonia upon long standing. |
2 | Solubility | Passes | Freely soluble in water and in boiling alcohol; practically insoluble in chloroform and in ether. |
3 | Identification A (By Chemical test) | Complies | The solution acquires a reddish violate colour |
4 | Identification B (By Chemical test) | Complies | A white crystaline precipitate of urea nitrate is formed |
5 | Melting range | 132° - 135°C | between 132° and 135° |
6 | Residue on ignition | 0.006% | 0.1% max |
7 | Alcohol insoluble matter | 0.004% | 0.04% max |
8 | Chloride (Cl) | NMT 0.007% | 0.007% max |
9 | Sulphate (SO4) | NMT 0.01% | 0.01% max |
10 | Heavy metals | NMT 0.002% | 0.002% max |
11 | Assay (on dried basis) | 99.28% | 99.00% - 100.5% |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |