Benzoyl chloride, 3,5-difluoro- (9CI)
3,5-Difluorobenzoyl chloride
CAS: 129714-97-2
Molecular Formula: C7H3ClF2O
Benzoyl chloride, 3,5-difluoro- (9CI) - Names and Identifiers
| Name | 3,5-Difluorobenzoyl chloride |
| Synonyms | SKL1225 259-405-8 3,5-Difluorobenzoyl chloride 3,5-DIFLUOROBENZOYL CHLORIDE 3,3,4,4,4-pentafluorobutan-1-ol Benzoyl chloride, 3,5-difluoro- 1-Butanol, 3,3,4,4,4-pentafluoro- Benzoyl chloride, 3,5-difluoro- (9CI) |
| CAS | 129714-97-2 |
| EINECS | 259-405-8 |
| InChI | InChI=1/C7H3ClF2O/c8-7(11)4-1-5(9)3-6(10)2-4/h1-3H |
Benzoyl chloride, 3,5-difluoro- (9CI) - Physico-chemical Properties
| Molecular Formula | C7H3ClF2O |
| Molar Mass | 176.55 |
| Density | 1.5 |
| Boling Point | 173-175°C |
| Flash Point | 157°F |
| Water Solubility | It reacts with water. |
| Vapor Presure | 0.67mmHg at 25°C |
| BRN | 4307685 |
| Storage Condition | Room Temprature |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.5031(lit.) |
Benzoyl chloride, 3,5-difluoro- (9CI) - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R36/37 - Irritating to eyes and respiratory system. |
| 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 |
Benzoyl chloride, 3,5-difluoro- (9CI) - Introduction
3,5-Difluorobenzoyl chloride is an organic compound with the formula C7H4ClF2O. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3,5-Difluorobenzoyl chloride is a colorless to pale yellow liquid.
-Solubility: It is soluble in organic solvents, such as chloroform, dimethylformamide and ether.
-Melting point and boiling point: melting point is -14°C, boiling point is 76-77°C.
Use:
- 3,5-difluorobenzoyl chloride is an important organic synthesis intermediate, often used as a precursor for the preparation of compounds containing 2,3-difluorobenzoyl structure.
-It can also be used to synthesize organic compounds such as pesticides and medicines.
Preparation Method:
The preparation of -3,5-difluorobenzoyl chloride can be obtained by reacting benzoyl chloride with trifluoromethane. The reaction conditions require a closed vessel and adequate agitation, and the entire reaction process needs to be carried out at low temperatures.
Safety Information:
- 3,5-Difluorobenzoyl chloride may corrode the skin and eyes at room temperature, so you should avoid contact when using it.
-Wear appropriate personal protective equipment including goggles, gloves and protective clothing during operation.
-Be sure to use it in a well-ventilated place and avoid inhaling its vapor.
-If swallowed, seek medical attention immediately. In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention.
-Waste shall be disposed of in accordance with local regulations and shall not be discharged into the water source or soil.
Nature:
-Appearance: 3,5-Difluorobenzoyl chloride is a colorless to pale yellow liquid.
-Solubility: It is soluble in organic solvents, such as chloroform, dimethylformamide and ether.
-Melting point and boiling point: melting point is -14°C, boiling point is 76-77°C.
Use:
- 3,5-difluorobenzoyl chloride is an important organic synthesis intermediate, often used as a precursor for the preparation of compounds containing 2,3-difluorobenzoyl structure.
-It can also be used to synthesize organic compounds such as pesticides and medicines.
Preparation Method:
The preparation of -3,5-difluorobenzoyl chloride can be obtained by reacting benzoyl chloride with trifluoromethane. The reaction conditions require a closed vessel and adequate agitation, and the entire reaction process needs to be carried out at low temperatures.
Safety Information:
- 3,5-Difluorobenzoyl chloride may corrode the skin and eyes at room temperature, so you should avoid contact when using it.
-Wear appropriate personal protective equipment including goggles, gloves and protective clothing during operation.
-Be sure to use it in a well-ventilated place and avoid inhaling its vapor.
-If swallowed, seek medical attention immediately. In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention.
-Waste shall be disposed of in accordance with local regulations and shall not be discharged into the water source or soil.
Last Update：2024-04-09 20:49:11
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