Ethyl 2-phenyl-3-(trifluoromethyl)pyrazole-4-carboxylate - Names and Identifiers
Ethyl 2-phenyl-3-(trifluoromethyl)pyrazole-4-carboxylate - Physico-chemical Properties
Molecular Formula | C13H11F3N2O2
|
Molar Mass | 284.23 |
Density | 1.30±0.1 g/cm3(Predicted) |
Boling Point | 122 °C |
Flash Point | 168.5°C |
Vapor Presure | 3.23E-05mmHg at 25°C |
pKa | -5.86±0.10(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.524 |
Ethyl 2-phenyl-3-(trifluoromethyl)pyrazole-4-carboxylate - 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.
|
WGK Germany | 3 |
Hazard Note | Irritant |
Ethyl 2-phenyl-3-(trifluoromethyl)pyrazole-4-carboxylate - Introduction
1-Phenyl-5-trifluoromethyl-1H-pyrazole-4-carboxylic acid ethyl ester is an organic compound with the chemical formula C13H10F3NO2. It is a colorless liquid with a special smell. The following is a description of some information about the properties, uses, preparation and safety of the compound:
Nature:
-Appearance: colorless liquid
-Boiling point: 124-126 ℃
-Density: 1.305g/cm³
-Melting point:-21 ℃
-Refractive Index: 1.509
Use:
-1-Phenyl-5-trifluoromethyl-1H-pyrazole-4-carboxylic acid ethyl ester is an important organic synthesis intermediate, which is widely used in the fields of drugs, pesticides and dyes. It can be used as fluorinating agent, reducing agent and dehydrating agent.
Preparation Method:
- 1-Phenyl -5-trifluoromethyl-1H-pyrazole-4-carboxylic acid ethyl ester is generally synthesized by chemical synthesis methods.
-The usual synthesis method includes the reaction of aniline with trifluoromethane anhydride to form aniline trifluoromethane, then reacting with tetrahydrofuran to obtain aniline salt, and finally concentrating and hydrolyzing to obtain the target product.
Safety Information:
- 1-phenyl -5-trifluoromethyl-1H-pyrazole-4-carboxylic acid ethyl ester is an organic compound with a certain degree of risk.
-in use or storage, should be away from fire, sparks and high temperature environment.
-Avoid contact with strong oxidants and strong acids to prevent dangerous reactions.
-Wear appropriate personal protective equipment, such as glasses, gloves and protective clothing.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention.
Please note that when using and handling this compound, you should follow the correct operating methods and safety measures, and follow relevant regulations and guidelines.
Last Update:2024-04-09 15:17:50