5744-70-7
5-bromo-1,3-dimethyl-1H-pyrazole
CAS: 5744-70-7
Molecular Formula: C5H7BrN2
5744-70-7 - Names and Identifiers
| Name | 5-bromo-1,3-dimethyl-1H-pyrazole |
| Synonyms | 5-bromo-1,3-dimethylpyrazole 5-BroMo-1,3-diMethyl-1H-p... 5-Bromo-1,3-dimethyl-1H-pyrazole 5-bromo-1,3-dimethyl-1H-pyrazole 1H-Pyrazole, 5-bromo-1,3-dimethyl- |
| CAS | 5744-70-7 |
| InChI | InChI=1/C5H7BrN2/c1-4-3-5(6)8(2)7-4/h3H,1-2H3 |
5744-70-7 - Physico-chemical Properties
| Molecular Formula | C5H7BrN2 |
| Molar Mass | 175.03 |
| Density | 1.58±0.1 g/cm3(Predicted) |
| Boling Point | 90 °C(Press: 30 Torr) |
| Flash Point | 81.863°C |
| Vapor Presure | 0.261mmHg at 25°C |
| pKa | 1.48±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.589 |
5744-70-7 - Risk and Safety
| 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. S37 - Wear suitable gloves. |
| HS Code | 29339900 |
5744-70-7 - Introduction
5-bromo-1, 3-dimethy1-1H-pyrazole is an organic compound with the chemical formula C6H8BrN2. The following is a description of its nature, use, preparation and safety information:
Nature:
5-bromo-1, 3-dimenethyl-1H-pyrazole is a colorless to light yellow solid with a special smell. It is insoluble in water at room temperature, but can be dissolved in some organic solvents. It decomposes under strong alkaline conditions.
Use:
5-bromo-1, 3-dimenethyl-1H-pyrazole has a wide range of uses in the field of organic synthesis. It can be used as a ligand to participate in the synthesis of metal coordination compounds. In addition, it can also be used to synthesize compounds such as pesticides, drugs and dyes.
Preparation Method:
5-bromo-1,3-dimethyl-1H-pyrazole can be prepared in a variety of ways. One of the commonly used methods is by the reaction of 5-bromo-1-methyl-3-methoxy-1H-pyrazole with an alkali metal or hydroxycarbonate. Alternatively, it can be synthesized by reacting a nitroso compound produced by the reaction of 1,3-dimethylpyrazole with bromoacetic acid.
Safety Information:
5-bromo-1, 3-dimenethyl-1H-pyrazole should be stored in a dry, well-ventilated place. Wear appropriate protective equipment such as gloves and goggles during handling or use. Avoid contact with skin and eyes, and keep away from fires and flames. Be careful during operation to prevent inhalation or ingestion. In case of discomfort or accident, seek medical attention immediately.
Nature:
5-bromo-1, 3-dimenethyl-1H-pyrazole is a colorless to light yellow solid with a special smell. It is insoluble in water at room temperature, but can be dissolved in some organic solvents. It decomposes under strong alkaline conditions.
Use:
5-bromo-1, 3-dimenethyl-1H-pyrazole has a wide range of uses in the field of organic synthesis. It can be used as a ligand to participate in the synthesis of metal coordination compounds. In addition, it can also be used to synthesize compounds such as pesticides, drugs and dyes.
Preparation Method:
5-bromo-1,3-dimethyl-1H-pyrazole can be prepared in a variety of ways. One of the commonly used methods is by the reaction of 5-bromo-1-methyl-3-methoxy-1H-pyrazole with an alkali metal or hydroxycarbonate. Alternatively, it can be synthesized by reacting a nitroso compound produced by the reaction of 1,3-dimethylpyrazole with bromoacetic acid.
Safety Information:
5-bromo-1, 3-dimenethyl-1H-pyrazole should be stored in a dry, well-ventilated place. Wear appropriate protective equipment such as gloves and goggles during handling or use. Avoid contact with skin and eyes, and keep away from fires and flames. Be careful during operation to prevent inhalation or ingestion. In case of discomfort or accident, seek medical attention immediately.
Last Update：2024-04-09 02:00:46
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