151169-74-3
2,3-Dichlorobenzeneboronic acid
CAS: 151169-74-3
Molecular Formula: C6H5BCl2O2
151169-74-3 - Names and Identifiers
151169-74-3 - Physico-chemical Properties
| Molecular Formula | C6H5BCl2O2 |
| Molar Mass | 190.82 |
| Density | 1.47±0.1 g/cm3(Predicted) |
| Melting Point | 125 °C (dec.) (lit.) |
| Boling Point | 349.8±52.0 °C(Predicted) |
| Flash Point | 165.4°C |
| Solubility | Soluble in methanol. |
| Vapor Presure | 1.71E-05mmHg at 25°C |
| Appearance | Crystallization |
| Color | White |
| pKa | 7.26±0.58(Predicted) |
| Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
| Refractive Index | 1.577 |
| MDL | MFCD01075703 |
151169-74-3 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| 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 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29319090 |
| Hazard Class | IRRITANT |
151169-74-3 - Introduction
2,3-dichlorobenzeneboronic acid, chemical formula C6H4Cl2BO2, is an organic boron compound. The following is its nature, use, preparation and safety information:
Nature:
-Appearance: 2,3-dichlorobenzeneboronic acid is colorless crystal or white powder.
-Solubility: It is soluble in organic solvents such as ether and chloroform, and slightly soluble in alcohols and solvents.
-Stability: The compound is stable at room temperature.
Use:
-2,3-dichlorobenzeneboronic acid can be used as an intermediate in organic synthesis and is commonly used in the synthesis of heterocyclic compounds, drugs and pesticides.
-It can also be used as cerium reagent and organic catalyst to participate in a variety of organic reactions.
Method:
The preparation of 2,3-dichlorobenzeneboronic acid is usually obtained by the reaction of Phenylboronic acid and Benzo dichloromethane. The specific steps are as follows:
1. Preparation of Phenylboronic acid under anhydrous conditions.
2. Reaction of Phenylboronic acid with Benzo dichloromethane in an appropriate solvent.
3. Filtration and crystallization gave 2,3-dichlorobenzeneboronic acid.
Safety Information:
2,3-dichlorobenzeneboronic acid is relatively safe under general conditions of use, but the following matters still need to be paid attention:
-Avoid inhalation or contact with its dust or solution, as it may cause irritation of the respiratory tract, skin and eyes.
-Take appropriate protective measures when using, such as wearing protective glasses, gloves and protective clothing.
-Keep away from ignition and oxidizing agents during storage.
-Read and follow the relevant safety technical instructions before use and storage. In case of discomfort or accident, seek medical attention immediately.
Nature:
-Appearance: 2,3-dichlorobenzeneboronic acid is colorless crystal or white powder.
-Solubility: It is soluble in organic solvents such as ether and chloroform, and slightly soluble in alcohols and solvents.
-Stability: The compound is stable at room temperature.
Use:
-2,3-dichlorobenzeneboronic acid can be used as an intermediate in organic synthesis and is commonly used in the synthesis of heterocyclic compounds, drugs and pesticides.
-It can also be used as cerium reagent and organic catalyst to participate in a variety of organic reactions.
Method:
The preparation of 2,3-dichlorobenzeneboronic acid is usually obtained by the reaction of Phenylboronic acid and Benzo dichloromethane. The specific steps are as follows:
1. Preparation of Phenylboronic acid under anhydrous conditions.
2. Reaction of Phenylboronic acid with Benzo dichloromethane in an appropriate solvent.
3. Filtration and crystallization gave 2,3-dichlorobenzeneboronic acid.
Safety Information:
2,3-dichlorobenzeneboronic acid is relatively safe under general conditions of use, but the following matters still need to be paid attention:
-Avoid inhalation or contact with its dust or solution, as it may cause irritation of the respiratory tract, skin and eyes.
-Take appropriate protective measures when using, such as wearing protective glasses, gloves and protective clothing.
-Keep away from ignition and oxidizing agents during storage.
-Read and follow the relevant safety technical instructions before use and storage. In case of discomfort or accident, seek medical attention immediately.
Last Update：2024-04-09 02:00:42
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