4-FLUORO-2-METHYLBENZENEBORONIC ACID - Names and Identifiers
4-FLUORO-2-METHYLBENZENEBORONIC ACID - Physico-chemical Properties
Molecular Formula | C7H8BFO2
|
Molar Mass | 153.95 |
Density | 1.20±0.1 g/cm3(Predicted) |
Melting Point | 191-196°C(lit.) |
Boling Point | 277.4±50.0 °C(Predicted) |
Flash Point | 121.6°C |
Solubility | Chloroform (Slightly, Sonicated), DMSO (Slightly), Methanol (Slightly) |
Vapor Presure | 0.00218mmHg at 25°C |
Appearance | White to white-like powder |
Color | White to off-white |
pKa | 8.75±0.58(Predicted) |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | 1.505 |
MDL | MFCD02093072 |
4-FLUORO-2-METHYLBENZENEBORONIC ACID - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S37/39 - Wear suitable gloves and eye/face protection
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S27 - Take off immediately all contaminated clothing.
|
WGK Germany | 3 |
HS Code | 29163990 |
Hazard Class | IRRITANT |
4-FLUORO-2-METHYLBENZENEBORONIC ACID - Introduction
4-fluoro-2-methylphenylboronic acid, chemical formula C7H7BF4, is an organic compound. The following is a description of the properties, uses, preparation and safety information of this compound:
Nature:
-4-Fluoro-2-methylphenylboronic acid is a solid, white crystal or crystalline powder at room temperature.
-Its melting point is about 140-144°C, and its boiling point exceeds 300°C.
-This compound is less soluble in water and more soluble in organic solvents such as ether and ethanol.
-Its molecular structure contains a fluorine atom, a methyl group and a benzene ring structure.
Use:
- 4-fluorine -2-methyl benzene boronic acid is often used as an important reagent in organic synthesis.
-It can be used to prepare other organic compounds, such as aromatic ethers, amides and borate esters.
-In the field of drug development, it is also often used as a drug intermediate synthesis.
-The compound also has some applications in materials science, such as the synthesis of liquid crystal materials and complexes.
Preparation Method:
The preparation of-4-fluoro-2-methylphenylboronic acid is usually accomplished by the reaction of boric acid with p-fluorotoluene.
-In the reaction, p-fluorotoluene first reacts with triethylamine to form p-fluorotolyl triethylamine salt, and then reacts with boric acid to obtain the product.
Safety Information:
-This compound should follow general laboratory safety practices, such as wearing gloves and protective glasses, avoiding inhalation and skin contact.
-It may cause irritation and damage to the eyes, skin and respiratory tract, so it should be stored and handled properly.
-During handling and storage, it should be separated from oxidants, strong acids and strong bases to avoid hazards due to reactions with these substances.
-Pay attention to avoid dust or gas during handling, as this may cause health hazards.
Last Update:2024-04-09 20:49:11