4,5-Difluoro-2-hydroxynitrobenzene
4,5-difluoro-2-nitrophenol
CAS: 55346-97-9
Molecular Formula: C6H3F2NO3
4,5-Difluoro-2-hydroxynitrobenzene - Names and Identifiers
| Name | 4,5-difluoro-2-nitrophenol |
| Synonyms | WNR BQ DF EF [WLN] 4,5-Difluoro-2-nitrophenol 4,5-difluoro-2-nitrophenol 3,4-Difluoro-6-Nitrophenol 4,5-Difluor-2-nitrobenzolol phenol, 4,5-difluoro-2-nitro- Phenol, 4,5-difluoro-2-nitro- 4,5-Difluoro-2-hydroxynitrobenzene |
| CAS | 55346-97-9 |
| InChI | InChI=1/C6H3F2NO3/c7-3-1-5(9(11)12)6(10)2-4(3)8/h1-2,10H |
4,5-Difluoro-2-hydroxynitrobenzene - Physico-chemical Properties
| Molecular Formula | C6H3F2NO3 |
| Molar Mass | 175.09 |
| Density | 1.619 |
| Boling Point | 249℃ |
| Flash Point | 104℃ |
| Vapor Presure | 0.0148mmHg at 25°C |
| pKa | 5.84±0.27(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.554 |
4,5-Difluoro-2-hydroxynitrobenzene - Introduction
4,5-difluoro-2-nitrophenol is an organic compound with the chemical formula C6H3F2NO3. It is a solid and can be light yellow or yellow crystals. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: light yellow or yellow crystal
-melting point: about 64-66 ℃
-Boiling point: about 300 ℃
-Solubility: Soluble in organic solvents, such as ethanol, chloroform and dichloromethane; slightly soluble in water.
Use:
- 4,5-difluoro-2-nitrophenol is used as an intermediate in the dye and pigment industries.
-It can also be used as a starting material for pesticide synthesis and pharmaceutical research.
Preparation Method:
-4,5-difluororo-2-nitrophenol can be prepared by the fluorination reaction of p-nitrophenol. A specific method is by reacting nitrophenol with hydrogen perfluoride (HF) under acidic conditions at a relatively low temperature. After completion of the reaction, the product can be crystallized and purified.
Safety Information:
- 4,5-difluoro-2-nitrophenol is an organic compound, so it needs to be handled carefully.
-It may be irritating to the skin and eyes. Avoid touching the skin and eyes directly when in contact.
-When operating, it is recommended to wear appropriate protective gloves, glasses and laboratory goggles to ensure that the operating environment is well ventilated.
-In the event of an accident such as inhalation, ingestion or skin contact, seek immediate medical assistance and provide information.
Nature:
-Appearance: light yellow or yellow crystal
-melting point: about 64-66 ℃
-Boiling point: about 300 ℃
-Solubility: Soluble in organic solvents, such as ethanol, chloroform and dichloromethane; slightly soluble in water.
Use:
- 4,5-difluoro-2-nitrophenol is used as an intermediate in the dye and pigment industries.
-It can also be used as a starting material for pesticide synthesis and pharmaceutical research.
Preparation Method:
-4,5-difluororo-2-nitrophenol can be prepared by the fluorination reaction of p-nitrophenol. A specific method is by reacting nitrophenol with hydrogen perfluoride (HF) under acidic conditions at a relatively low temperature. After completion of the reaction, the product can be crystallized and purified.
Safety Information:
- 4,5-difluoro-2-nitrophenol is an organic compound, so it needs to be handled carefully.
-It may be irritating to the skin and eyes. Avoid touching the skin and eyes directly when in contact.
-When operating, it is recommended to wear appropriate protective gloves, glasses and laboratory goggles to ensure that the operating environment is well ventilated.
-In the event of an accident such as inhalation, ingestion or skin contact, seek immediate medical assistance and provide information.
Last Update：2024-04-09 20:44:15
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CAS: 55346-97-9
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