14001-63-9
4-Methyl-2-(Methylsulfanyl)Pyrimidine
CAS: 14001-63-9
Molecular Formula: C6H8N2S
14001-63-9 - Names and Identifiers
14001-63-9 - Physico-chemical Properties
| Molecular Formula | C6H8N2S |
| Molar Mass | 140.21 |
| Density | 1.007 g/mL at 25 °C |
| Boling Point | 78-80°/1mm |
| Flash Point | 220°F |
| pKa | 1.35±0.20(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.572 |
| Physical and Chemical Properties | WGK Germany:3 |
14001-63-9 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| WGK Germany | 3 |
| HS Code | 29335990 |
| Hazard Class | IRRITANT |
14001-63-9 - Reference Information
| Use | 4-methyl-2-methylthiopyrimidine is a heterocyclic organic compound and can be used as a pharmaceutical intermediate. |
| preparation | in argon atmosphere, to NaOH(7.46g,186.4mmol) water (120mL) solution 4-methylpyrimidine -2-thiol hydrochloride (13.78g,84.7mmol), then add methyl iodide (13.23g,93.2mmol) dropwise. Stir at room temperature for 2 hours, then extract with CH2Cl2(2x) . The organic phase is dried by Na2SO4 and concentrated to dryness. The crude product obtained was purified by silica gel chromatography, and a hexane-EtOAc mixture with increased polarity was used as an eluent to obtain 10.26g of the required compound (yield: 86%). |
Last Update：2024-04-09 21:21:28
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