2,3-Difluorobenzonitrile(CAS#21524-39-0)
| Risk Codes | R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 – 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. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S36/37 – Wear suitable protective clothing and gloves. |
| UN IDs | 3276 |
| WGK Germany | 3 |
| HS Code | 29269090 |
| Hazard Note | Toxic |
| Hazard Class | 6.1 |
| Packing Group | III |
Introduction
2,3-difluorobenzonium, chemical formula C7H3F2N, is an organic compound. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
-Appearance: 2,3-difluorobenzontril is a colorless liquid.
-Melting point: Its melting point is about -42 ° C.
-Boiling point: Its boiling point is about 135-136 ° C.
-Density: Its density is about 1.343g/cm³.
-Solubility: It is almost insoluble in water, but easily soluble in common organic solvents.
Use:
-Chemical synthesis: As an important chemical intermediate, 2,3-difluorobenzonite is widely used in many organic synthesis reactions.
-Drug synthesis: It can be used to synthesize some drugs and pesticide compounds.
-Fungicide: Because of its antibacterial effect, it can be used as a bactericide.
Method:
2,3-difluorobenzontril can be prepared by the following methods:
-Starting from 2,3-difluorobenzaldehyde, after cyanidation reaction, 2,3-difluorobenzobenzitril is finally obtained.
-From benzyl alcohol, hydrofluoric acid and hydrocyanic acid through a series of reactions, 2,3-difluorobenzonite can be prepared.
Safety Information:
-2,3-difluorobenzonitril is irritating and may cause irritation or burns when in contact with skin and eyes.
-Wear suitable protective gloves, goggles and protective clothing when using.
-During operation, avoid inhaling its steam or dust, and ensure that the operation is carried out in a well-ventilated place.
-Avoid contact with strong oxidants and strong acids during handling or storage to prevent dangerous reactions.
Please take appropriate protective measures according to the actual situation and follow the correct safety operation procedures.
