3-(TrifluoroMethyl)pyrazole-4-corboxylic acid - Names and Identifiers
3-(TrifluoroMethyl)pyrazole-4-corboxylic acid - Physico-chemical Properties
Molecular Formula | C5H3F3N2O2
|
Molar Mass | 180.08 |
Density | 1.682±0.06 g/cm3(Predicted) |
Melting Point | 248-253°C |
Boling Point | 349.9±42.0 °C(Predicted) |
Flash Point | 165.4°C |
Vapor Presure | 1.71E-05mmHg at 25°C |
pKa | 2.86±0.36(Predicted) |
Storage Condition | 2-8°C |
Sensitive | Irritant |
Refractive Index | 1.485 |
MDL | MFCD04125015 |
3-(TrifluoroMethyl)pyrazole-4-corboxylic acid - Risk and Safety
Hazard Symbols | T - Toxic
|
Risk Codes | 25 - Toxic if swallowed
|
Safety Description | 45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
|
UN IDs | UN 2811 6.1 / PGIII |
WGK Germany | 3 |
3-(TrifluoroMethyl)pyrazole-4-corboxylic acid - Introduction
5-(Trifluoromethyl)-acid is an organic compound with the chemical formula C6H3F3N2O2. The following is a description of its nature, use, preparation and safety information:
Nature:
1. Appearance: 5-(Trifluoromethyl)-acid is a colorless solid.
2. Melting point: The melting point is about 142-145 degrees Celsius.
3. solubility: it can be dissolved in common organic solvents.
Use:
5-(Trifluoromethyl)-acid is mainly used as catalyst, intermediate and ligand in organic synthesis. It can be used in the synthesis of various organic compounds, such as steroids, anti-tumor drugs and pesticides.
Preparation Method:
5-(Trifluoromethyl)-There are many preparation methods for acid, the most commonly used method is the following two steps:
1. First, pyrazol-4-one reacts with trifluoromethyl trifluoromethyl trifluoromethyl ketone to generate trifluoromethyl pyrazol-4-one.
2. Then the trifluoromethylpyrazol-4-one is subjected to ketone carboxylation reaction with nitric acid to generate 5-(Trifluoromethyl)-acid.
Safety Information:
With regard to the specific toxicity and safety information of 5-(Trifluoromethyl)-acid, due to the lack of sufficient research and reporting, there is currently insufficient data for reference. Therefore, when using this compound, it is recommended to take appropriate protective measures, and conduct personal protection and laboratory safety assessment according to the experimental conditions and usage. At the same time, the laboratory's safe operating procedures should be followed, and the handling, storage and disposal requirements of the relevant chemicals should be strictly observed.
Last Update:2024-04-09 21:54:55