Benzoic acid, 4-cyano-3-fluoro- - Names and Identifiers
Benzoic acid, 4-cyano-3-fluoro- - Physico-chemical Properties
Molecular Formula | C8H4FNO2
|
Molar Mass | 165.12 |
Density | 1.42±0.1 g/cm3(Predicted) |
Melting Point | 162.0 to 166.0 °C |
Boling Point | 335.7±27.0 °C(Predicted) |
Flash Point | 156.9°C |
Solubility | soluble in Methanol |
Vapor Presure | 4.61E-05mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Almost white |
pKa | 3.20±0.10(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.564 |
MDL | MFCD03094324 |
Benzoic acid, 4-cyano-3-fluoro- - Risk and Safety
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R41 - Risk of serious damage to eyes
R37/38 - Irritating to respiratory system and skin.
R22 - Harmful if swallowed
|
Safety Description | S22 - Do not breathe dust.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S39 - Wear eye / face protection.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
|
UN IDs | 3439 |
WGK Germany | 3 |
HS Code | 29269090 |
Hazard Note | Irritant |
Benzoic acid, 4-cyano-3-fluoro- - Introduction
4-Cyano-3-fluorobenzoic acid is an organic compound with the formula C8H4FNO2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 4-Cyano-3-fluorobenzoic acid is white solid or crystalline powder.
-Melting point: About 110-112 degrees Celsius.
-Solubility: Soluble in chloroform, ether, dichloromethane and alcohol solvents.
-Chemical properties: 4-Cyano-3-fluorobenzoic acid is an organic acid with acidity. It can react with alkali to form the corresponding salts.
Use:
-Chemical industry: 4-Cyano-3-fluorobenzoic acid can be used as an intermediate in organic synthesis and is commonly used in the preparation of organic compounds such as drugs, pesticides and dyes.
-Research use: The compound is also used as a chemical reagent, such as in organic synthesis reactions and research.
Method:
4-Cyano-3-fluorobenzoic acid is usually obtained by cyanation of p-fluorobenzoic acid. In a specific preparation method, sodium cyanide and trichlorosodium cyanurate are reacted in a solvent, and the target product is obtained through steps of hydrolysis, acidification, crystallization and purification.
Safety Information:
- 4-Cyano-3-fluorobenzoic acid is an organic compound and has certain toxicity. Please follow the relevant laboratory safety operation specifications for handling.
-During use and storage, it should be kept sealed, away from ignition and oxidizing agents, and avoid exposure to high temperatures, flames or other flammable substances.
-Contact with skin or inhalation of gas may cause allergies or irritation. Please wear appropriate personal protective equipment and ensure good ventilation.
-When handling this compound, appropriate waste disposal measures should be taken to comply with local regulations and regulations.
Last Update:2024-04-09 02:00:43