1683-85-8
2-Pyrimidinamine,5-fluoro-(9CI)
CAS: 1683-85-8
Molecular Formula: C4H4FN3
1683-85-8 - Names and Identifiers
1683-85-8 - Physico-chemical Properties
| Molecular Formula | C4H4FN3 |
| Molar Mass | 113.09 |
| Density | 1.372 |
| Melting Point | 192-193℃ |
| Boling Point | 280℃ |
| Flash Point | 123℃ |
| pKa | 2.13±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
| Refractive Index | 1.56 |
1683-85-8 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
1683-85-8 - Reference Information
| Use | 2-amino-5-fluoropyrimidine can be used as a synthetic intermediate in pharmaceutical and chemical industry. |
| preparation | the preparation of 2-amino-5-fluoropyrimidine is as follows: 2-chloro-5-fluoropyrimidine (280 μL, 2.264mmol) and ammonia (5ml,68mmol) in methanol (860 μL) the mixture was heated to 110 °c for 30 min through a microwave reactor. The reaction was filtered and the solid was washed with MeOH. The solid was dried to give 5-fluoro-2-pyrimidinamine (247mg,2.184mmol,96% yield) as a white crystalline solid. |
Last Update：2024-04-09 19:05:05
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