4-Amino-2,3,5,6-tetrafluoropyridine - Names and Identifiers
Name | 4-Amino-2,3,5,6-tetrafluoropyridine
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Synonyms | 4-AMINOTETRAFLUOROPYRIDINE (3,4-difluorophenyl)boronic acid 2,3,5,6-tetrafluoro-4-pyridinamine 4-AMino-2,3,5,6-terafluoropyridine 2,3,5,6-Tetrafluoropyridin-4-amine 4-Amino-2,3,5,6-tetrafluoropyridine 4-AMINO-2,3,5,6-TETRAFLUOROPYRIDINE 4-Pyridinamine, 2,3,5,6-tetrafluoro- 4-AMINO-2,3,5,6-TETRAFLUORROPYRIDINE 2,3,5,6-Tetrafluoro-pyridin-4-ylamine
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CAS | 1682-20-8
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InChI | InChI=1/C6H5BF2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,10-11H |
4-Amino-2,3,5,6-tetrafluoropyridine - Physico-chemical Properties
Molecular Formula | C5H2F4N2
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Molar Mass | 166.08 |
Density | 1.631±0.06 g/cm3(Predicted) |
Melting Point | 85-87 °C (lit.) |
Boling Point | 85-86 °C |
Flash Point | 114.3°C |
Vapor Presure | 0.00459mmHg at 25°C |
BRN | 475870 |
pKa | -3.11±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
Refractive Index | 1.485 |
MDL | MFCD00010855 |
4-Amino-2,3,5,6-tetrafluoropyridine - Risk and Safety
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
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WGK Germany | 3 |
HS Code | 29333990 |
Hazard Note | Irritant |
4-Amino-2,3,5,6-tetrafluoropyridine - Introduction
4-Amino-2,3,5,6-tetrafluoropyridine is an organic compound with the chemical formula C5H2F4N2. The following is a description of its nature, use, preparation and safety information:
Nature:
4-Amino-2,3,5,6-tetrafluoropyridine is a colorless to pale yellow solid with a bitter taste. It has a melting point of 82-88 degrees Celsius and a boiling point of 232-233 degrees Celsius. Its relative molecular mass is 138.08g/mol.
Use:
4-Amino-2,3,5,6-tetrafluoropyridine plays an important role in chemical synthesis. It is often used as a ligand, catalyst and reducing agent in organic synthesis. In addition, it is also widely used in the field of medicine, such as antibacterial agents, preservatives and pharmaceutical intermediates.
Method:
The preparation of 4-Amino-2,3,5,6-tetrafluoropyridine can be carried out by various methods. One commonly used method is the reaction of pyridine or 4-aminopyridine with boron trifluoride. Specific reaction conditions and steps can be adjusted according to actual needs.
Safety Information:
When dealing with 4-Amino-2,3,5,6-tetrafluoropyridine, the following safety precautions should be noted:
-Avoid direct contact with skin and eyes. In case of accidental contact, rinse immediately with plenty of water for at least 15 minutes and seek medical help.
-in use should maintain good ventilation, avoid inhalation of its vapor.
-Avoid contact with strong oxidants and combustibles to prevent fire or explosion.
-storage should be sealed in a dry, cool place, away from fire and flammable materials.
This is a brief introduction to 4-Amino-2,3,5,6-tetrafluoropyridine. If more detailed information is required, please refer to the relevant literature or consult a professional chemist.
Last Update:2024-04-09 15:17:53