4-ACETYLOXYPHENYLBORONIC ACID - Names and Identifiers
4-ACETYLOXYPHENYLBORONIC ACID - Physico-chemical Properties
Molecular Formula | C8H9BO4
|
Molar Mass | 179.97 |
Density | 1.25±0.1 g/cm3(Predicted) |
Melting Point | 220-224℃ |
Boling Point | 339.9±44.0 °C(Predicted) |
Flash Point | 159.3°C |
Vapor Presure | 3.46E-05mmHg at 25°C |
Appearance | solid |
Color | white to off-white |
pKa | 8.42±0.17(Predicted) |
Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.532 |
4-ACETYLOXYPHENYLBORONIC ACID - Risk and Safety
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37 - Wear suitable gloves.
S60 - This material and its container must be disposed of as hazardous waste.
|
TSCA | No |
Hazard Note | Irritant |
4-ACETYLOXYPHENYLBORONIC ACID - Introduction
4-ACETOXYPHENYLBORONIC ACID(4-Acetoxyphenylboronic acid) is an organic compound. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
-Appearance: White crystalline powder
-Molecular formula: C8H9BO4
-Molecular weight: 183.97g/mol
-Melting Point: 160-164 ° C
-Solubility: It is difficult to dissolve in water, soluble in organic solvents such as chloroform, ethanol, etc.
Use:
- 4-ACETOXYPHENYLBORONIC ACID is an important organic synthesis intermediate, which can be used to synthesize other compounds, such as drugs, dyes and functional molecules.
-It is commonly used in palladium-catalyzed coupling reactions of aromatic compounds (such as the Suzuki reaction).
Method:
4-ACETOXYPHENYLBORONIC ACID can generally be synthesized by the following methods:
1. 4-hydroxyphenylboronic acid reacts with acetic anhydride under alkaline conditions to obtain the target product.
2. React 4-aminophenylboronic ACID with acetic anhydride to obtain the corresponding product, and then obtain 4-ACETOXYPHENYLBORONIC ACID through ACID treatment.
Safety Information:
- 4-ACETOXYPHENYLBORONIC ACID generally has low toxicity under normal use conditions, but it is still necessary to pay attention to follow laboratory safety procedures.
-Avoid inhalation, ingestion or contact with skin and eyes.
-Personal protective equipment, such as lab gloves and glasses, should be worn during use.
-Store 4-ACETOXYPHENYLBORONIC ACID in a sealed container during storage, away from fire, heat and oxidizing agents.
Last Update:2024-04-09 02:00:43