2-Hydroxy-3-(trifluoromethyl)pyridine
2-hydroxy-3-trifluoromethylpyridine
CAS: 22245-83-6
Molecular Formula: C6H4F3NO
2-Hydroxy-3-(trifluoromethyl)pyridine - Names and Identifiers
2-Hydroxy-3-(trifluoromethyl)pyridine - Physico-chemical Properties
| Molecular Formula | C6H4F3NO |
| Molar Mass | 163.1 |
| Density | 1.398±0.06 g/cm3(Predicted) |
| Melting Point | 150-153°C |
| Boling Point | 223.7±40.0 °C(Predicted) |
| Flash Point | 89.1°C |
| Vapor Presure | 0.0947mmHg at 25°C |
| Appearance | Solid |
| Color | White to Almost white |
| pKa | 9.67±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.436 |
| MDL | MFCD00153194 |
2-Hydroxy-3-(trifluoromethyl)pyridine - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R20/21 - Harmful by inhalation and in contact with skin. R36 - Irritating to the eyes R25 - Toxic if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN2811 |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
2-Hydroxy-3-(trifluoromethyl)pyridine - Reference Information
| LogP | 0.71 at 25℃ |
| application | 2-hydroxy-3-trifluoromethylpyridine as pyridine derivatives plays an important intermediate role in the chemical industry, medical pesticides and other aspects. |
| Preparation | The solution of 2-chloro-3-(trifluoromethyl) pyridine (5g) in a mixture of acetic acid (50ml) and water (5ml) was refluxed for 7 days. Dilute the mixture with water and add 6M NaOH solution until pH 5-6 is reached. The mixture was extracted with EtOAc. The organic phase was dried with Na2SO4 and concentrated in vacuum. Dissolve the residue in ethyl acetate and add hexane. The precipitate was filtered out to obtain 2-hydroxy-3-trifluoromethylpyridine. The yield was 4g. MS(ES )m/z 164(MH). |
Last Update：2024-04-09 02:00:07
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