(3-amino-4-methylphenyl)boronic acid - Names and Identifiers
(3-amino-4-methylphenyl)boronic acid - Physico-chemical Properties
Molecular Formula | C7H10BNO2
|
Molar Mass | 150.97 |
Density | 1.19±0.1 g/cm3(Predicted) |
Melting Point | 250°C |
Boling Point | 367.6±52.0 °C(Predicted) |
Flash Point | 176.1°C |
Vapor Presure | 4.73E-06mmHg at 25°C |
pKa | 8.77±0.10(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Refractive Index | 1.569 |
MDL | MFCD01074640 |
(3-amino-4-methylphenyl)boronic acid - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
|
HS Code | 29310095 |
Hazard Class | IRRITANT |
(3-amino-4-methylphenyl)boronic acid - Introduction
(3-Amino-4-methylphenyl)boronic acid, hydrochloride is an organic compound with the chemical formula C7H10BNO2 and a molecular weight of 154.97g/mol. It had the appearance of a white crystalline solid.
The following is a detailed description of the nature, use, preparation and safety information of (3-Amino-4-methylphenyl)boronic acid, hydrochloride:
1. Nature:
-Appearance: White crystalline solid
-Melting Point: about 145-147 ℃
-Solubility: can be dissolved in some organic solvents, such as alcohols and DMSO, slightly dissolved in water
-Stability: stable at room temperature, but may decompose when heated or damp
2. Use:
-chemical synthesis:(3-Amino-4-methylphenyl)boronic acid, hydrochloride is an important intermediate of organic boron compounds, which is commonly used in C- C bond formation reactions, such as etherification, enolization and oxygen heterocycle reaction.
-Drug research: It is also used in the field of drug synthesis and organometallic chemistry research.
3. Preparation method:
The synthesis of (3-Amino-4-methylphenyl)boronic acid, hydrochloride can be carried out by the following steps:
-First, 2-methylphenylboronic acid and hydrochloric acid are reacted to form 2-methylphenylboronic acid hydrochloride.
-Then, 2-methylphenylboronic acid hydrochloride is reacted with ammonia or propylamine to prepare (3-Amino-4-methylphenyl)boronic acid, hydrochloride hydrochloride.
-Finally, (3-Amino-4-methylphenyl)boronic acid, hydrochloride is subjected to alkali treatment or hydrochloric acid treatment to obtain (3-Amino-4-methylphenyl)boronic acid, hydrochloride.
4. Safety Information:
(3-Amino-4-methylphenyl)boronic acid, hydrochloride has low toxicity, but it is still necessary to pay attention to safe use. Inhalation of dust or contact with skin and eyes should be avoided. Use protective gloves, goggles, and protective clothing when handling this compound. At the same time, it should be operated in a well-ventilated place and avoid contact with oxidants. If waste is to be disposed of, it should be disposed of in accordance with local regulations.
Last Update:2024-04-09 21:11:58