3.4-difluorobenzotrifluoride（CAS# 32137-19-2)
| Hazard Symbols | Xi – IrritantF,F,Xi - |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R11 – Highly Flammable |
| Safety Description | S37/39 – Wear suitable gloves and eye/face protection S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 – Keep away from sources of ignition. S36 – Wear suitable protective clothing. |
| UN IDs | 1993 |
| HS Code | 29039990 |
| Hazard Note | Flammable |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
3,4-difluorobenzotrifluoride is an organic compound with the chemical formula C7H2F5. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3,4-difluorobenzotrifluoride is a colorless liquid.
-Melting point:-35 ° C
-Boiling point: 114 ° C
-Density: 1.52g/cm³
-Solubility: It is soluble in many organic solvents, such as ethanol, ether and benzene.
Use:
-3,4-difluorobenzotrifluoride is often used as a solvent for organic synthesis reactions. Its high solubility and anhydrous nature make it an important application in organic synthesis.
-It can also be used as a surface treatment agent and cleaning agent.
Method:
-3,4-difluorobenzotrifluoride can be obtained by reacting 3,4-difluorophenyl hydrogen sulfide with barium trifluoride. The reaction conditions are typically in the presence of magnesium chloride, heating for a number of hours, and then treating the resulting intermediate with an alcohol.
Safety Information:
-3,4-difluorobenzotrifluoride is a volatile organic compound, and inhalation of its vapor should be avoided.
-Wear appropriate personal protective equipment such as goggles, gloves and protective clothing when used.
-Prolonged or heavy exposure may be hazardous to health and may cause eye, respiratory and skin irritation.
-in use and storage should pay attention to fire and explosion prevention measures, avoid contact with strong oxidants.
-If you accidentally splash into your eyes or contact your skin, rinse immediately with plenty of water and seek medical help.
