4-Cyano-3,5-Difluorophenol
4-Cyano-3,5-Difluorophenol
CAS: 123843-57-2
Molecular Formula: C7H3F2NO
4-Cyano-3,5-Difluorophenol - Names and Identifiers
| Name | 4-Cyano-3,5-Difluorophenol |
| Synonyms | 2,6-Difluoro-4-hydro 2,6-Difluoro-4-hydroxy 4-Cyano-3,5-Difluorophenol 3,5-DIFLUORO-4-CYANOPHENOL 4-CYANO-3,5-DIFLUOROPHENOL 3,5-difluoro-4-cyanophenol 2,6-DIFLUORO-4-HYDROXYBENZONITRILE 2,6-Difluoro-4-hydroxybenzonitrile 2,6-Difluoro-4-Hydroxy Benzonitrile 3,5-difluoro-4-(trifluoromethyl)aniline Benzonitrile, 2,6-difluoro-4-hydroxy- (9CI) |
| CAS | 123843-57-2 |
| InChI | InChI=1/C7H3F2NO/c8-6-1-4(11)2-7(9)5(6)3-10/h1-2,11H |
| InChIKey | KEIYYIGMDPTAPL-UHFFFAOYSA-N |
4-Cyano-3,5-Difluorophenol - Physico-chemical Properties
| Molecular Formula | C7H3F2NO |
| Molar Mass | 155.1 |
| Density | 1.44±0.1 g/cm3(Predicted) |
| Melting Point | 127 °C |
| Boling Point | 279.8±40.0 °C(Predicted) |
| Flash Point | 123°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 0.00231mmHg at 25°C |
| Appearance | White-like crystal |
| Color | White to Almost white |
| pKa | 5.87±0.23(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.53 |
| MDL | MFCD03094499 |
| Physical and Chemical Properties | Appearance: White Crystal |
4-Cyano-3,5-Difluorophenol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| UN IDs | 3439 |
| HS Code | 29269090 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
4-Cyano-3,5-Difluorophenol - Introduction
2,6-difluoro-4-hydroxybenzonitrile is an organic compound with the chemical formula C7H3F2NO. The following is a description of its nature, use, formulation and safety information:
1. nature:
-Appearance: 2,6-difluoro-4-hydroxybenzonitrile is a colorless to pale yellow crystalline powder.
-Solubility and stability: Its solubility in water is low, and it is soluble in organic solvents such as ethanol, dimethylthionamide, etc. It is a stable compound, but may produce toxic gases when heated.
2. use:
-Chemical synthesis: 2,6-difluoro-4-hydroxybenzonitrile can be used as an intermediate in organic synthesis and used to prepare other organic compounds, such as pesticides, medicines and dyes.
-Pesticide: It is widely used as a pesticide in the agricultural field to effectively control various pests and antagonistic fungi.
3. Preparation method:
- 2, 6-difluoro-4-hydroxybenzonitrile is often prepared using nitrobenzene as raw material. First, nitrobenzene is reacted with hydrofluoric acid to obtain 2,6-difluoro-4-nitrobenzene, which is then subjected to a hydrogen reduction reaction to obtain 2,6-difluoro-4-aminobenzene. Finally, 2,6-difluoro-4-aminobenzene is reacted with chlorocyano to give 2,6-difluoro-4-hydroxybenzonitrile.
4. Safety Information:
-2,6-difluoro-4-hydroxybenzonitrile must be used in accordance with relevant safety procedures.
-It is a toxic compound that may have an impact on human health. Contact or inhalation of the compound may cause irritation, resulting in difficulty breathing, coughing, skin irritation, etc. Therefore, the necessary protective measures should be taken during operation, such as wearing gloves, protective glasses and respiratory protection equipment. If taken by mistake or inhaled by mistake, seek medical attention immediately.
1. nature:
-Appearance: 2,6-difluoro-4-hydroxybenzonitrile is a colorless to pale yellow crystalline powder.
-Solubility and stability: Its solubility in water is low, and it is soluble in organic solvents such as ethanol, dimethylthionamide, etc. It is a stable compound, but may produce toxic gases when heated.
2. use:
-Chemical synthesis: 2,6-difluoro-4-hydroxybenzonitrile can be used as an intermediate in organic synthesis and used to prepare other organic compounds, such as pesticides, medicines and dyes.
-Pesticide: It is widely used as a pesticide in the agricultural field to effectively control various pests and antagonistic fungi.
3. Preparation method:
- 2, 6-difluoro-4-hydroxybenzonitrile is often prepared using nitrobenzene as raw material. First, nitrobenzene is reacted with hydrofluoric acid to obtain 2,6-difluoro-4-nitrobenzene, which is then subjected to a hydrogen reduction reaction to obtain 2,6-difluoro-4-aminobenzene. Finally, 2,6-difluoro-4-aminobenzene is reacted with chlorocyano to give 2,6-difluoro-4-hydroxybenzonitrile.
4. Safety Information:
-2,6-difluoro-4-hydroxybenzonitrile must be used in accordance with relevant safety procedures.
-It is a toxic compound that may have an impact on human health. Contact or inhalation of the compound may cause irritation, resulting in difficulty breathing, coughing, skin irritation, etc. Therefore, the necessary protective measures should be taken during operation, such as wearing gloves, protective glasses and respiratory protection equipment. If taken by mistake or inhaled by mistake, seek medical attention immediately.
Last Update：2024-04-09 21:01:54
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