3,5-difluoro-2-hydroxybenzaldehyde
3,5-difluoro-2-hydroxybenzaldehyde
CAS: 63954-77-8
Molecular Formula: C7H4F2O2
3,5-difluoro-2-hydroxybenzaldehyde - Names and Identifiers
| Name | 3,5-difluoro-2-hydroxybenzaldehyde |
| Synonyms | 3,5-Difluoro-2-hydrox 3,5-Difluorosalicaldehyde 3,5-Difluorosalicylaldehyde 3 5-DIFLUOROSALICYLALDEHYDE 97 3,5-difluoro-2-hydroxybenzaldehde 3,5-difluoro-2-hydroxybenzaldehyde 3,5-Difluorosalicylaldehyde, 2,4-Difluoro-6-formylphenol |
| CAS | 63954-77-8 |
| EINECS | 625-317-7 |
| InChI | InChI=1/C7H4F2O2/c8-5-1-4(3-10)7(11)6(9)2-5/h1-3,11H |
3,5-difluoro-2-hydroxybenzaldehyde - Physico-chemical Properties
| Molecular Formula | C7H4F2O2 |
| Molar Mass | 158.1 |
| Density | 1.464±0.06 g/cm3(Predicted) |
| Melting Point | 87-91 °C (lit.) |
| Boling Point | 181.9±35.0 °C(Predicted) |
| Flash Point | 63.8°C |
| Vapor Presure | 0.612mmHg at 25°C |
| pKa | 6.94±0.23(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.559 |
3,5-difluoro-2-hydroxybenzaldehyde - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - 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 - Wear suitable protective clothing. |
| WGK Germany | 3 |
3,5-difluoro-2-hydroxybenzaldehyde - Introduction
3, is an organic compound with the chemical formula C7H4F2O2. It is an aromatic compound with hydroxyl and aldehyde groups. The following is a brief introduction to the nature, use, preparation method and safety information of 3:
Nature:
1. Appearance: colorless or yellowish crystal.
2. melting point: 56-58 ℃.
3. Boiling point: 199-200 ℃.
4. density: 1.416g/cm³.
5. Solubility: Soluble in organic solvents, such as ethanol, chloroform and ether.
Use:
1. chemical reagents: 3, can be used as a reagent in organic synthesis, for the synthesis of other compounds.
2. pesticide intermediates: it is one of the important intermediates of some pesticides.
Preparation Method:
3. It can be prepared by fluorination of salicylaldehyde (2-hydroxybenzaldehyde). Specifically, salicylaldehyde can be reacted with hydrogen fluoride (HF) or sulfur polyfluoride (SF4) to give 3.
Safety Information:
1. 3, it is used in some routine laboratory operations, but proper laboratory operations and protective measures are required.
2. It may be irritating and corrosive, and contact with skin and eyes should be avoided.
3. When using 3, you should follow the relevant safety procedures, ensure that it is used in a well-ventilated environment, and wear appropriate personal protective equipment, such as protective glasses and protective gloves.
4. During use and storage, it should be kept separate from flammable and oxidizing agents.
Please note that when using or handling 3, the safety operation procedures and relevant laws and regulations should be strictly followed.
Nature:
1. Appearance: colorless or yellowish crystal.
2. melting point: 56-58 ℃.
3. Boiling point: 199-200 ℃.
4. density: 1.416g/cm³.
5. Solubility: Soluble in organic solvents, such as ethanol, chloroform and ether.
Use:
1. chemical reagents: 3, can be used as a reagent in organic synthesis, for the synthesis of other compounds.
2. pesticide intermediates: it is one of the important intermediates of some pesticides.
Preparation Method:
3. It can be prepared by fluorination of salicylaldehyde (2-hydroxybenzaldehyde). Specifically, salicylaldehyde can be reacted with hydrogen fluoride (HF) or sulfur polyfluoride (SF4) to give 3.
Safety Information:
1. 3, it is used in some routine laboratory operations, but proper laboratory operations and protective measures are required.
2. It may be irritating and corrosive, and contact with skin and eyes should be avoided.
3. When using 3, you should follow the relevant safety procedures, ensure that it is used in a well-ventilated environment, and wear appropriate personal protective equipment, such as protective glasses and protective gloves.
4. During use and storage, it should be kept separate from flammable and oxidizing agents.
Please note that when using or handling 3, the safety operation procedures and relevant laws and regulations should be strictly followed.
Last Update：2024-04-10 22:29:15
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