| Product Name | Pyrimethamine |
| CAS No. | 58-14-0 |
| Synonyms | 2,4-diamino-5-(p-chlorophenyl)-6-ethylpyrimidine; 5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diyldiamine; 5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine |
| InChI | InChI=1/C12H13ClN4/c1-2-9-10(11(14)17-12(15)16-9)7-3-5-8(13)6-4-7/h3-6H,2H2,1H3,(H4,14,15,16,17) |
| Molecular Formula | C12H13ClN4 |
| Molecular Weight | 248.7114 |
| Density | 1.305g/cm3 |
| Melting point | 233-234℃ |
| Boiling point | 491.5°C at 760 mmHg |
| Flash point | 251°C |
| Water solubility | <0.01 g/100 mL at 21℃ |
| Refractive index | 1.655 |
| Hazard Symbols |  Xn:Harmful; |
| Risk Codes | R22:; |
| Safety | R22:; |
58-14-0 pyrimethamine
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