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Cas No.：66-22-8
Catagory: Intermediate
| Product name | Uracil |
| English name | Uracil |
| Alias | 2,4(1H,3H)-pyrimidinedione |
| CAS RN | 66-22-8 |
| Molecular formula | C4H4N2O2 |
| Molecular weight | 112.09 |
| EINECS No. | 200-621-9 |
| Structural formula |  |
| Technical index of Pharmaceutical Intermediates Uracil | |
| Item | Quality index |
| Property | White or off-white crystalline powder |
| Loss on drying /（%）≤ | 0.5 |
| Residue on ignition /（%）≤ | 0.1 |
| Identification | The retention time of the main peak of the test solution should be consistent with the retention time of the main peak of the reference solution (± 2.5%) |
| Chloride/(%)≤ | 0.01 |
| Sulfate /（%）≤ | 0.04 |
| Heavy metal /（ppm）≤ | 10 |
| Purity /（%）≥ | 99.0 |
| Melting point | ＞300℃ |
| Uses | Used as a pharmaceutical intermediate |
| Package | The inner package is a PE bag, and the outer package is a cardboard drum or a package according to customer requirements. |
| Transportation | Transportation tools must be clean and dry. During transportation, they should be protected from rain, Moisture , and sun, and should not be mixed with toxic, harmful, corrosive, and other pollutants. During storage and transportation, they should be handled with care. Throwing and bumping are strictly prohibited. |
| Storage and transportation | This product should be stored tightly closed. Store in a ventilated and dry warehouse, avoid direct sunlight. |
