2-硝基苯基硼酸
(2-Nitrophenyl)boronic acid
CAS: 5570-19-4
Molecular Formula: C6H6BNO4
2-硝基苯基硼酸 - Names and Identifiers
2-硝基苯基硼酸 - Physico-chemical Properties
| Molecular Formula | C6H6BNO4 |
| Molar Mass | 166.93 |
| Density | 1.40±0.1 g/cm3(Predicted) |
| Melting Point | 155-160°C |
| Boling Point | 374.8±44.0 °C(Predicted) |
| Solubility | soluble in Methanol,Ether,Ethanol |
| Appearance | Crystalline Powder |
| Color | White to off-white |
| BRN | 3032097 |
| pKa | 7.83±0.53(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
2-硝基苯基硼酸 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29319090 |
| Hazard Note | Harmful |
2-硝基苯基硼酸 - Introduction
(2-Nitrophenyl)boronic acid is an organic compound with the chemical formula C6H6BNO4, which is a derivative of boric acid.
Nature:
(2-Nitrophenyl)boronic acid is a white crystalline solid with a high melting and boiling point. It is slightly soluble in water and highly soluble in organic solvents. It is an unstable compound that readily oxidizes and decomposes in air.
Use:
(2-Nitrophenyl)boronic acid is an important intermediate in organic synthesis and has a wide range of applications in organic synthesis. It is often used as a coupling reagent, with amino compounds, organic tin compounds, organic copper compounds, etc., can be C- C bond or C- N bond construction reaction, synthesis of complex organic compounds containing benzene ring. In addition, the (2-Nitrophenyl)boronic acid can also be used as a fluorescent probe, a photosensitizer, and the like.
Preparation Method:
Methods for the preparation of (2-Nitrophenyl)boronic acid are generally obtained by reacting boric acid and 2-nitrophenyl bromide. The specific step is to react 2-nitrophenyl bromide with boric acid in an organic solvent, usually in a mixed solvent, and finally to obtain a pure product through crystallization, separation and purification.
Safety Information:
(2-Nitrophenyl)boronic acid should pay attention to safety precautions during operation and storage to avoid contact with skin, eyes and respiratory tract. It is an irritating compound that can cause damage to health. Therefore, it is necessary to wear appropriate protective equipment, such as gloves, goggles, etc. during use. At the same time, store it in a dry and ventilated place, away from fire and oxidizing agents.
Nature:
(2-Nitrophenyl)boronic acid is a white crystalline solid with a high melting and boiling point. It is slightly soluble in water and highly soluble in organic solvents. It is an unstable compound that readily oxidizes and decomposes in air.
Use:
(2-Nitrophenyl)boronic acid is an important intermediate in organic synthesis and has a wide range of applications in organic synthesis. It is often used as a coupling reagent, with amino compounds, organic tin compounds, organic copper compounds, etc., can be C- C bond or C- N bond construction reaction, synthesis of complex organic compounds containing benzene ring. In addition, the (2-Nitrophenyl)boronic acid can also be used as a fluorescent probe, a photosensitizer, and the like.
Preparation Method:
Methods for the preparation of (2-Nitrophenyl)boronic acid are generally obtained by reacting boric acid and 2-nitrophenyl bromide. The specific step is to react 2-nitrophenyl bromide with boric acid in an organic solvent, usually in a mixed solvent, and finally to obtain a pure product through crystallization, separation and purification.
Safety Information:
(2-Nitrophenyl)boronic acid should pay attention to safety precautions during operation and storage to avoid contact with skin, eyes and respiratory tract. It is an irritating compound that can cause damage to health. Therefore, it is necessary to wear appropriate protective equipment, such as gloves, goggles, etc. during use. At the same time, store it in a dry and ventilated place, away from fire and oxidizing agents.
Last Update：2024-04-10 22:29:15
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