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1, Structural formula： NH4CO2NH2
2. Physical and chemical properties:
Ammonium carbamate is an important chemical raw material with a wide range of uses. It is composed of ammonium bicarbonate and carbamate (commonly known as complex salt) and is a white translucent solid.
Ammonium carbamate is used in the production of pharmaceutical products, pharmaceutical reagents, fermentation accelerators, electronic components, etc., and is a valuable ammoniating agent. Analytical pure and chemical reagents, can be drip analysis of potassium, radium and thorium, etc., can be used as chromatographic analysis reagents, can evolve a variety of carbonate products. Specific gravity 1.56, melting point 58 °C, insoluble in alcohol, hygroscopic. After moisture absorption and moisture, it emits a stimulating ammonia odor and is easy to weathering in the air.
3. Quality standards:
| Name | Indexes | Test results |
| 1. Moisture ≤%. | 0.3 | 0.09 |
| 2, NH3, %, ≥ | 40 | 42.29 |
| 3. Ash ≤%. | 0.008 | 0.005 |
| 4. Clarity, ≤ | 5# | 3# |
| 5. Residue on ignition, %, ≤ | 0.001 | 0.0004 |
| 6. Chlorine compounds (CI), %, ≤ | 0.0001 | 0.00006 |
| 7, Sulfur compounds (SO4),%, ≤ | 0.0005 | 0.0003 |
| 8, Fe (Fe), % and ≤ | 0.0005 | 0.0004 |
| 9. Heavy metals (as Pb), %, ≤ | 0.0001 | 0.00005 |
| 10. Appearance | Colorless translucent crystals | Colorless translucent crystals |
4. Packaging and storage
Woven bag plus plastic inner bag: 25kg
ISO container bag: 500kg
Cardboard drum: 25kg or 40kg
Ammonium carbamate should be moisture-proof and heat-proof, and stored in a cool, dry and dark warehouse.
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| Reagent grade | Reagent grade |