Name | 2-Cyano-5-fluoropyridine |
Synonyms | 113629 5-Fluoropicolinonitrile 2-Cyano-5-fluorpyridine 2-Cyano-5-fluoropyridine 5-Fluoropyridine-2-carbonitrile 5-fluoro-pyridine-2-carbonitrile 2-pyridinecarbonitrile, 5-fluoro- 2-Pyridinecarbonitrile,5-fluoro-(9CI) 2-Cyano-5-fluoropyridine, 5-Fluoropicolinonitrile |
CAS | 327056-62-2 |
EINECS | 627-618-9 |
InChI | InChI=1/C6H3FN2/c7-5-1-2-6(3-8)9-4-5/h1-2,4H |
InChIKey | BHXHRMVSUUPOLX-UHFFFAOYSA-N |
Molecular Formula | C6H3FN2 |
Molar Mass | 122.1 |
Density | 1.24±0.1 g/cm3(Predicted) |
Melting Point | 35-41 °C |
Boling Point | 214.9±20.0 °C(Predicted) |
Flash Point | 99°C |
Vapor Presure | 0.152mmHg at 25°C |
pKa | -2.74±0.10(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.509 |
MDL | MFCD08741371 |
Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN3439 |
WGK Germany | 3 |
Hazard Class | 6.1 |
Packing Group | III |
use | 2-cyano-5-fluoropyridine is a pyridine compound, which can be used as a pharmaceutical intermediate and has a wide range of uses in the field of pharmaceutical and chemical industry. |
synthesis method | 2-cyano -5-aminopyridine is used as raw material, fluoroboric acid is used instead of anhydrous hydrogen fluoride as fluorinating agent, and 2-cyano -5-fluoropyridine is synthesized by diazotization and thermal decomposition. the synthesis route is as follows and the yield is 64%. This method is simple to operate and practical. The synthesis reaction formula is as follows: Fig. 2-synthesis reaction formula of cyano-5-fluoropyridine |