5-氟间苯二酚 - Names and Identifiers
5-氟间苯二酚 - Physico-chemical Properties
Molecular Formula | C6H5FO2
|
Molar Mass | 128.1 |
Density | 1.415g/cm3 |
Melting Point | 136.0 to 140.0 °C |
Boling Point | 237.878°C at 760 mmHg |
Flash Point | 97.665°C |
Vapor Presure | 0.028mmHg at 25°C |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.577 |
5-氟间苯二酚 - Introduction
5-fluorobenzene-1,3-diol is a chemical substance with a molecular formula of C6H5FO2 and a molecular weight of 144.1g/mol. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 5-fluorobenzene-1,3-diol is a white or light yellow solid.
-Solubility: It has low solubility in water, but it can be dissolved in organic solvents such as ethanol and dimethylformamide.
-Melting point and boiling point: The melting point of 5-fluorobenzene-1,3-diol is about 143-145 degrees Celsius, and the boiling point is 394 degrees Celsius.
-Stability: The compound is relatively stable at room temperature, but should avoid contact with strong oxidants and reducing agents.
Use:
-Chemical intermediates: 5-fluorobenzene-1,3-diol is an important intermediate in many organic synthesis reactions, which can be used to synthesize compounds such as drugs, dyes and pesticides.
-Antioxidant: It can also be used as an antioxidant and is widely used in food and cosmetics.
Preparation Method:
The preparation method of 5-fluorobenzene-1,3-diol is usually obtained by fluorination reaction of hydroquinone. A common method of preparation is the reaction of hydroquinone with ammonium hydrofluoride or silver fluoride in the presence of hydrofluoric acid. After the reaction, the pure 5-fluorobenzene-1,3-diol product was obtained by further purification and crystallization.
Safety Information:
-Toxicity: There is limited data on the toxicity of 5-fluorobenzene-1,3-diol, but it is generally considered to have low toxicity. However, proper laboratory safety procedures should still be used and prolonged exposure or inhalation of its dust should be avoided.
-Sensitization: The compound may be sensitized to certain people, so appropriate protective measures should be taken, such as wearing gloves and protective glasses.
-Storage and handling: 5-fluorobenzene-1,3-diol should be stored in a dry, cool, well-ventilated place, away from heat sources and flammable substances. When disposing of the compound, the proper waste disposal regulations should be observed.
Last Update:2024-04-09 20:49:11