154258-82-9
3-(4-Fluorophenyl)-1H-pyrazole
CAS: 154258-82-9
Molecular Formula: C9H7FN2
154258-82-9 - Names and Identifiers
| Name | 3-(4-Fluorophenyl)-1H-pyrazole |
| Synonyms | AKOS B028619 BUTTPARK 15 7-51 ART-CHEM-BB B028619 TIMTEC-BB SBB000139 3-(4-FLUOROPHENYL)PYRAZOLE 3-(4-Fluorophenyl)-1H-pyrazole 5-(4-fluorophenyl)-1H-pyrazole 5-(4-FLUOROPHENYL)-1H-PYRAZOLE 3-(4-FLUORO-PHENYL)-1 H-PYRAZOLE 1H-Pyrazole,3-(4-fluorophenyl)-(9CI) |
| CAS | 154258-82-9 |
| InChI | InChI=1/C9H7FN2/c10-8-3-1-7(2-4-8)9-5-6-11-12-9/h1-6H,(H,11,12) |
154258-82-9 - Physico-chemical Properties
| Molecular Formula | C9H7FN2 |
| Molar Mass | 162.16 |
| Density | 1.242±0.06 g/cm3(Predicted) |
| Melting Point | 100-104 °C |
| Boling Point | 334.1±17.0 °C(Predicted) |
| Flash Point | 155.8°C |
| Vapor Presure | 0.000254mmHg at 25°C |
| pKa | 13.04±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.579 |
154258-82-9 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
154258-82-9 - Introduction
3-(4-Fluorophenyl)-1H-pyrazole is an organic compound with the chemical formula C9H6FN3. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3-(4-Fluorophenyl)-1H-pyrazole is a colorless crystalline solid.
-Melting point: approximately 113-116°C.
-Solubility: It can be dissolved in some organic solvents, such as dimethyl sulfoxide and dichloromethane.
Use:
- 3-(4-Fluorophenyl)-1H-pyrazole is an important organic synthesis intermediate that can be used to synthesize other organic compounds.
-It is used as a precursor of anti-inflammatory drugs in the field of medicine.
Method:
The preparation of 3-(4-Fluorophenyl)-1H-pyrazole usually involves the following steps:
1. First, aniline and alkaline carbonate are reacted to generate aniline salt.
2. Then, the aniline salt is reacted with a fluorinating agent to introduce a fluorine atom.
3. Finally, the resulting compound is reacted with pyrazole to produce the final product.
Safety Information:
- 3-(4-Fluorophenyl)-1H-pyrazole is an organic compound, so it has certain toxicity and danger. Use should follow the relevant laboratory safety procedures, take appropriate protective measures.
-Gases, vapors and solutions can cause irritation and damage to the eyes, skin and respiratory tract, so avoid contact with this compound.
-Store it in a dry, sealed container, away from fire and heat.
Nature:
-Appearance: 3-(4-Fluorophenyl)-1H-pyrazole is a colorless crystalline solid.
-Melting point: approximately 113-116°C.
-Solubility: It can be dissolved in some organic solvents, such as dimethyl sulfoxide and dichloromethane.
Use:
- 3-(4-Fluorophenyl)-1H-pyrazole is an important organic synthesis intermediate that can be used to synthesize other organic compounds.
-It is used as a precursor of anti-inflammatory drugs in the field of medicine.
Method:
The preparation of 3-(4-Fluorophenyl)-1H-pyrazole usually involves the following steps:
1. First, aniline and alkaline carbonate are reacted to generate aniline salt.
2. Then, the aniline salt is reacted with a fluorinating agent to introduce a fluorine atom.
3. Finally, the resulting compound is reacted with pyrazole to produce the final product.
Safety Information:
- 3-(4-Fluorophenyl)-1H-pyrazole is an organic compound, so it has certain toxicity and danger. Use should follow the relevant laboratory safety procedures, take appropriate protective measures.
-Gases, vapors and solutions can cause irritation and damage to the eyes, skin and respiratory tract, so avoid contact with this compound.
-Store it in a dry, sealed container, away from fire and heat.
Last Update：2024-04-09 21:01:54
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