5-Methyl-2-methoxyphenylboronic acid - Names and Identifiers
5-Methyl-2-methoxyphenylboronic acid - Physico-chemical Properties
Molecular Formula | C8H11BO3
|
Molar Mass | 165.98 |
Density | 1.14±0.1 g/cm3(Predicted) |
Melting Point | 92-97 °C (lit.) |
Boling Point | 342.0±52.0 °C(Predicted) |
Flash Point | 160.7°C |
Solubility | Soluble in methanol. |
Vapor Presure | 2.97E-05mmHg at 25°C |
Appearance | White to white-like powder |
pKa | 8.65±0.58(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Refractive Index | 1.52 |
MDL | MFCD02179465 |
5-Methyl-2-methoxyphenylboronic acid - Risk and Safety
Hazard Symbols | Xi - Irritant
|
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.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S60 - This material and its container must be disposed of as hazardous waste.
S37 - Wear suitable gloves.
|
WGK Germany | 3 |
HS Code | 29319090 |
Hazard Class | IRRITANT |
5-Methyl-2-methoxyphenylboronic acid - Introduction
2-methoxy-5-methylphenylboronic acid is an organic boron compound with the chemical formula C8H11BO3 and a molecular weight of 149.98g/mol. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
2-Methoxy-5-methylphenylboronic acid is a white crystalline solid with a melting point of about 160-162°C. It is less soluble in water and more soluble in organic solvents such as ethanol, methanol and dichloromethane.
Use:
2-methoxy-5-methylphenylboronic acid is mainly used as a catalyst or ligand in organic synthesis reactions. It can be used for various phenylboronic acid catalyzed reactions, such as: coupling reactions, such as Suzuki coupling reaction and Stille coupling reaction; C- H activation reactions, such as C- H functionalization reactions, such as C- H carbonylation reaction and C- H nitro reaction.
Preparation Method:
A common preparation method is to obtain 2-methoxy-5-methylphenylboronic acid by reacting p-methylphenylboronic acid and methanol. The reaction conditions may be carried out at normal temperature using hydrochloric acid or other acids as a catalyst.
Safety Information:
There is limited safety information on 2-methoxy-5-methylphenylboronic acid. However, in general, any chemical should be used and handled with caution. During the operation, appropriate laboratory safety measures should be taken, such as wearing chemical glasses, gloves and laboratory coats. Also, avoid inhalation, ingestion or contact with skin and eyes. Before use, it is best to read the relevant safety data sheet of the chemical carefully and follow the appropriate method of operation and handling. In case of misoperation or human contact, please seek medical advice immediately.
Last Update:2024-04-10 22:29:15