254993-59-4
2-Chloro-4-(trifluoromethyl)benzeneboronic acid
CAS: 254993-59-4
Molecular Formula: C7H5BClF3O2
254993-59-4 - Names and Identifiers
254993-59-4 - Physico-chemical Properties
| Molecular Formula | C7H5BClF3O2 |
| Molar Mass | 224.37 |
| Density | 1.49±0.1 g/cm3(Predicted) |
| Melting Point | 110-112°C |
| Boling Point | 281.5±50.0 °C(Predicted) |
| Flash Point | 127.709°C |
| Vapor Presure | 0.001mmHg at 25°C |
| Appearance | Crystalline powder |
| BRN | 9263388 |
| pKa | 7.52±0.58(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.485 |
| MDL | MFCD02684337 |
254993-59-4 - 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 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection S37 - Wear suitable gloves. |
| HS Code | 29319090 |
| Hazard Class | IRRITANT |
254993-59-4 - Introduction
2-Chloro-4-(trifluoromethyl)benzeneboronic acid is an organic compound with the chemical formula C7H5BClF3O2. It had the appearance of a white crystalline solid.
Nature:
-The molecular weight is 222.38g/mol.
-Melting point is about 190-194°C.
-The compound is sparingly soluble in water and soluble in organic solvents such as ethanol, dichloromethane and dimethylformamide.
-has good thermal stability.
Use:
2-Chloro-4-(trifluoromethyl)benzeneboronic acid is often used as an important intermediate in organic synthesis and is used in the synthesis of various organic compounds, such as pharmaceuticals, spices and pesticides.
Method:
The preparation of 2-Chloro-4-(trifluoromethyl)benzeneboronic acid can be carried out by the following steps:
1.2-Chloro-4-(methyl)benzoic acid was obtained by reacting 2-Chloro-4-(trifluoroacetic acid) with trifluoroformic acid..
2. Subsequently, 2-Chloro-4-(trifluoromethyl) benzoic acid can be reacted with boric acid under certain conditions to obtain 2-Chloro-4-(trifluoromethyl)benzeneboronic acid.
Safety Information:
2-Chloro-4-(trifluoromethyl)benzeneboronic acid may be irritating to the skin, eyes, and respiratory system. During use or handling, appropriate protective measures should be taken, such as wearing gloves, goggles and protective masks. In addition, ensure that the operation is carried out in a well-ventilated environment. If exposed or inhaled, immediately flush the affected area with clean water and seek medical help.
Nature:
-The molecular weight is 222.38g/mol.
-Melting point is about 190-194°C.
-The compound is sparingly soluble in water and soluble in organic solvents such as ethanol, dichloromethane and dimethylformamide.
-has good thermal stability.
Use:
2-Chloro-4-(trifluoromethyl)benzeneboronic acid is often used as an important intermediate in organic synthesis and is used in the synthesis of various organic compounds, such as pharmaceuticals, spices and pesticides.
Method:
The preparation of 2-Chloro-4-(trifluoromethyl)benzeneboronic acid can be carried out by the following steps:
1.2-Chloro-4-(methyl)benzoic acid was obtained by reacting 2-Chloro-4-(trifluoroacetic acid) with trifluoroformic acid..
2. Subsequently, 2-Chloro-4-(trifluoromethyl) benzoic acid can be reacted with boric acid under certain conditions to obtain 2-Chloro-4-(trifluoromethyl)benzeneboronic acid.
Safety Information:
2-Chloro-4-(trifluoromethyl)benzeneboronic acid may be irritating to the skin, eyes, and respiratory system. During use or handling, appropriate protective measures should be taken, such as wearing gloves, goggles and protective masks. In addition, ensure that the operation is carried out in a well-ventilated environment. If exposed or inhaled, immediately flush the affected area with clean water and seek medical help.
Last Update：2024-04-09 20:52:54
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