2,4-Difluorobenzoyl chloride(CAS#72482-64-5)
| Hazard Symbols | C – Corrosive |
| Risk Codes | R34 – Causes burns R36/37 – Irritating to eyes and respiratory system. R29 – Contact with water liberates toxic gas |
| Safety Description | S23 – Do not breathe vapour. S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 – Take off immediately all contaminated clothing. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| HS Code | 29163990 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
Introduction
2,4-Difluorobenzoyl chloride is an organic compound with the formula C7H3ClF2O. The following is a description of the nature, use, preparation and safety information of 2,4-Difluorobenzoyl chloride:
Nature:
-Appearance: 2,4-Difluorobenzoyl chloride is a colorless liquid.
-Melting point and boiling point: Its melting point is -5°C and boiling point is 105°C.
-Solubility: 2,4-Difluorobenzoyl chloride has good solubility in common organic solvents.
-Stability: It is unstable to heat, and should avoid high temperature and direct sunlight.
Use:
- 2,4-Difluorobenzoyl chloride is a common reagent in organic synthesis and is widely used in the preparation of organic compounds with specific functional groups. For example, it can be used to synthesize drugs, pesticides and other intermediates in organic synthesis.
Preparation Method:
-The preparation of 2,4-Difluorobenzoyl chloride is generally obtained by reacting 2,4-difluorobenzoic acid with thionyl chloride. The reaction is usually carried out at room temperature, and hydrogen chloride gas generated during the reaction is added to promote the reaction.
Safety Information:
- 2,4-Difluorobenzoyl chloride is an irritating compound that may cause irritation and burns on contact with skin and eyes.
-When using 2,4-Difluorobenzoyl chloride, pay attention to protective measures, including wearing gloves, protective glasses and protective clothing.
-During the operation, pay attention to avoid inhaling its steam or mist, and maintain good ventilation conditions.
- 2,4-Difluorobenzoyl chloride should be stored away from high temperature and fire sources, and avoid contact with oxidants and strong alkali substances.
Please note that 2,4-Difluorobenzoyl chloride should be used and handled under safe laboratory conditions and follow relevant safe operating procedures.
