4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole - Names and Identifiers
4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole - Physico-chemical Properties
Molecular Formula | C5H4BrF3N2
|
Molar Mass | 229 |
Density | 1.82±0.1 g/cm3(Predicted) |
Boling Point | 52 °C |
Flash Point | 75°C |
Vapor Presure | 0.46mmHg at 25°C |
pKa | -2.75±0.10(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.509 |
4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole - 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.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
|
HS Code | 29331990 |
4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole - Introduction
4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole is an organic compound with the molecular formula C5H3BrF3N and a molecular weight of 211.98g/mol. The following is a description of some of its properties, uses, methods and safety information:
Nature:
-Appearance: Colorless to light yellow crystal or powder
-Melting point: 75-80°C
-Boiling Point: 177-180°C
-Density: 1.89g/cm³
-Solubility: Soluble in some organic solvents, such as chloroform, ethanol and xylene
Use:
- 4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole is an important intermediate, which is widely used in pharmaceutical, pesticide and dye fields.
-It can be used as a raw material for the manufacture of some pesticides, fungicides and herbicides.
Preparation Method:
- 4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole can be obtained by a variety of synthetic routes, one of the commonly used methods is the reaction of 1-methyl-3-trifluoromethyl-pyrrole-5-carbaldehyde and ammonium bromite, bromination reaction under alkaline conditions to obtain the target product.
Safety Information:
- 4-bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole is relatively stable under general conditions, but exposure to high temperatures, fire sources and strong oxidants should be avoided.
-During operation, you need to wear appropriate personal protective equipment, such as gloves, goggles and laboratory clothing to prevent contact with skin and eyes.
-If inhaled or exposed to the compound, seek medical assistance immediately and bring the substance's safety data sheet to the hospital.
Last Update:2024-04-10 22:29:15