(6-CHLOROPYRIDIN-3-YL)METHANOL
6-Chloropyridine-3-methanol
CAS: 21543-49-7
Molecular Formula: C6H6ClNO
(6-CHLOROPYRIDIN-3-YL)METHANOL - Names and Identifiers
(6-CHLOROPYRIDIN-3-YL)METHANOL - Physico-chemical Properties
| Molecular Formula | C6H6ClNO |
| Molar Mass | 143.57 |
| Density | 1.280 |
| Melting Point | 51-54 °C (lit.) |
| Boling Point | 120°C 0,4mm |
| Flash Point | >230°F |
| Solubility | soluble in Methanol |
| Vapor Presure | 0.00227mmHg at 25°C |
| Appearance | Crystallization |
| Color | White to brown |
| BRN | 1525126 |
| pKa | 13.32±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.572 |
| MDL | MFCD01075226 |
| Physical and Chemical Properties | This product is white crystalline powder, m. P. 39~40 ℃, B. P. 120 ℃/53pa, insoluble in water, soluble in chloroform, methanol. |
(6-CHLOROPYRIDIN-3-YL)METHANOL - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
(6-CHLOROPYRIDIN-3-YL)METHANOL - Reference Information
| Uses | 2-chloro-5-hydroxymethylpyridine is an intermediate of the insecticides imidacloprid and acetamiprid. |
| Production method | The preparation method is that 2-chloro-5-chloromethylpyridine reacts with sodium acetate in a solvent to form the corresponding acetate, and then hydrolyzes to form a product. Or add 2-chloro-3-cyanopyridyl methanol and 6% H2SO4 aqueous solution in the hydrogenation reactor, and add water-containing Laney nickel as a catalyst to stir and pass hydrogen. After the reaction is over, remove the catalyst and evaporate methanol, The residue is neutralized with NaOH aqueous solution, extracted with chloroform, and evaporated to obtain the product. |
Last Update：2024-04-09 02:00:07
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