The Many Uses of Trifluoroacetic Acid

Trifluoroacetic Acid is a chemical compound. The Trifluoroacetic Acid compound has the formula of CF3CO2H. Trifluoroacetic Acid has several notable traits that make it an extremely useful and important compound. One of them is that it is a very strong carboxylic acid. This is due to the fact that it has the influence of three fluorine atoms that are extremely electronegative. When Trifluoroacetic Acid is compared to acetic acid, it is found to be almost 100,000 times more acidic. Trifluoroacetic Acid is a strong acid causing it to be extremely useful in organic chemistry. Using extremely acidic compounds in an organic synthesis allows better manipulations of end products in a reaction. Therefore, choosing to use Trifluoroacetic Acid creates more prominent results.

Trifluoroacetic Acid is obtained through electrofluorination of acetic acid. This is a process that uses the Simons Method in order to act upon the acetic acid with electrochemically generated in situ fluorine. During this process, the Trifluoroacetic Acid is created. The Carboxylic group in the Trifluoroacetic Acid must remain intact in order for it to be used successfully. This is done by having the anodic reaction of the electrolysis take place with hydrogen fluoride and acetic acid, but having it take place at a voltage that is below the voltage where one would find elemental fluorine developing. Keeping the voltage low allows the carboxylic group to remain intact, therefore creating the type of Trifluoroacetic Acid that can be used.

There are many uses of Trifluoroacetic Acid to be aware of. The first and most frequent use of Trifluoroacetic Acid is in organic syntheses. This is the main use of Trifluoroacetic Acid because the compound has a combination of the best properties needed for this type of work. One of these properties includes stability. Trifluoroacetic Acid is extremely hard to destroy.

Other properties also include solubility in organic solvents. Trifluoroacetic Acid can be mixed with organic solvents to create other compounds or to alter the organic solvents in some ways. In fact, when it comes to solvents, Trifluoroacetic Acid is by far the best to be used with organic compounds.

Trifluoroacetic Acid is also not as oxidizing as sulfuric acid. This allows it to be used more commonly than sulfuric acid when being used in synthesis. The compound Trifluoroacetic Acid is also more readily available in the anhydrous form than hydrochloric acid is. This allows it to be used more commonly than hydrogen chloride, which can be harder to find and to obtain.

The only complication that is found in using Trifluoroacetic Acid in organic synthesis is that it forms an azeotrope with water when the boiling point of 105 degrees C is reached. This means that the Trifluoroacetic Acid cannot be used in the types of synthesis that require water to be heated past this temperature.

Trifluoroacetic Acid is also very handy in liquid chromatography. In this process, it is used as a buffer. The buffer is important during the liquid chromatography phase because it allows for the separation of organic compounds. It is especially useful in separating peptides and small proteins. Trifluoroacetic Acid is also found to be an incredibly versatile solvent for NMR Spectroscopy. This is also due to the strength of the acid and the many ways that it can be mixed in order to bond to several other compounds.

Most of the time, Trifluoroacetic Acid is used along with a derived acid. This is the acid anhydride, or [CF3C(O)]2O. The Trifluoroacetic Acid is used along with the acid anhydride, and therefore a trifluoracetyl group can be introduced into a chemical compound, solvent, and synthesis process.

Trifluoroacetic Acid is very useful when working with organic synthesis. These are important processes because many researchers and technicians use the information that they learn during these processes when developing new products, new drugs, and new research.

Stephanie Larkin is a freelance writer who writes about issues and topics pertaining to the use of chemicals such as Fluorochemicals | Agricultural Chemicals