4-bromo-1,3-dimethylpyrazole - Names and Identifiers
4-bromo-1,3-dimethylpyrazole - Physico-chemical Properties
Molecular Formula | C5H7BrN2
|
Molar Mass | 175.03 |
Density | 1.487 g/mL at 25 °C |
Boling Point | 100 °C(Press: 30 Torr) |
Flash Point | 103 °C |
Vapor Presure | 0.281mmHg at 25°C |
pKa | 0.68±0.10(Predicted) |
Storage Condition | 2-8°C |
Sensitive | Irritant |
Refractive Index | 1.5214 (estimate) |
MDL | MFCD00985488 |
4-bromo-1,3-dimethylpyrazole - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | R37/38 - Irritating to respiratory system and skin.
R41 - Risk of serious damage to eyes
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39 - Wear eye / face protection.
|
HS Code | 29331990 |
Hazard Class | IRRITANT |
4-bromo-1,3-dimethylpyrazole - Introduction
4-bromo-1,3-dimethyl-1H-pyrazole is an organic compound with the chemical formula C6H8BrN2. The following is a description of its nature, use, formulation and safety information:
Nature:
- 4-bromo-1,3-dimethyl-1H-pyrazole is a solid, common in the form of white or nearly white crystals.
-It is soluble in many organic solvents at room temperature, such as methanol, ethanol, dimethylformamide, etc.
-It has a medium to strong pungent odor.
Use:
- 4-bromo-1, 3-dimenethyl-1H-pyrazole is an important organic synthesis intermediate, which can be used to synthesize heterocyclic compounds, pesticides and pharmaceutical compounds.
-It is widely used in the field of pesticides as a precursor for insecticides and fungicides.
Preparation Method:
- 4-bromo-1,3-dimethyl-1H-pyrazole can be synthesized by a variety of methods. The commonly used method is to react 1,3-dimethylpyrazole with hydrogen bromide. The synthesis reaction is typically carried out at low temperatures and under an inert atmosphere.
Safety Information:
- 4-bromo-1, 3-dimethyle-1H-pyrazole is irritating to the skin and eyes, and should be rinsed in time after contact. Use should wear appropriate protective equipment, such as gloves, goggles, etc.
-This compound poses a certain risk to the environment and should be handled and stored properly. Avoid discharging it into water sources or soil to avoid pollution to the environment.
Last Update:2024-04-09 02:00:46