2-Chloro-5-Fluoro Benzaldehyde - Names and Identifiers
2-Chloro-5-Fluoro Benzaldehyde - Physico-chemical Properties
Molecular Formula | C7H4ClFO
|
Molar Mass | 158.56 |
Density | 1.352g/cm3 |
Melting Point | 46.5-48°C |
Boling Point | 207.2°C at 760 mmHg |
Flash Point | 79.1°C |
Vapor Presure | 0.228mmHg at 25°C |
Appearance | White to yellowish crystals or powders |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.559 |
MDL | MFCD03788511 |
2-Chloro-5-Fluoro Benzaldehyde - 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.
|
Hazard Class | IRRITANT |
2-Chloro-5-Fluoro Benzaldehyde - Introduction
It is an organic compound with the chemical formula C7H4ClFO. The following is its nature, use, preparation and safety information:
Nature:
-Appearance: White crystal or light yellow solid.
-Melting point: about 40-42 ℃.
-Boiling point: about 163-165 ℃.
-Density: about 1.435g/cm³.
-Solubility: It is soluble in some common organic solvents, such as ethanol, chloroform and dichloromethane.
Use:
It is mainly used for chemical reactions in organic synthesis. It can be used as an intermediate of fluorescent dyes, as a raw material in the pharmaceutical field, and in the agricultural field for the preparation of pesticides.
Preparation Method:
can be prepared by chlorination, fluorinated benzaldehyde method. The specific preparation method is as follows:
1. Under appropriate conditions, hydrofluoric acid is added to benzaldehyde to allow it to undergo a fluorination reaction.
2. After the reaction, hydrogen chloride is added to chlorinate the fluorinated product.
3. carry out the appropriate purification steps to obtain pure phosphonium.
Safety Information:
-is harmful substances, may cause irritation and damage to the human body. Wear protective gloves, glasses and respiratory protective equipment when necessary.
-Avoid inhaling its dust or gas, and avoid contact with skin and eyes.
-During storage and use, chemical safety procedures should be observed, and proper ventilation conditions should be maintained.
-For accidental exposure or ingestion, seek medical attention immediately and provide appropriate safety data.
Last Update:2024-04-09 02:00:48