1H-Pyrazole, 5-bromo-1,3-dimethyl-

1H-Pyrazole, 5-bromo-1,3-dimethyl- - 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

1H-Pyrazole, 5-bromo-1,3-dimethyl- - 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

1H-Pyrazole, 5-bromo-1,3-dimethyl- - 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

1H-Pyrazole, 5-bromo-1,3-dimethyl- - 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.

Last Update：2024-04-09 02:00:46