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 Perfluorohexylethylsulfonic acid (perfluorooctanesulfonic acid) are as follows:

Properties: perfluorohexylethylsulfonic acid is a colorless to light yellow liquid .

Usage: As an important chemical product, perfluorohexylethylsulfonic acid has a wide range of uses, mainly including the following aspects:

1. Pharmaceutical field: It is increasingly widely used in pharmaceuticals, functional pigments and polymers. Especially in recent years, with the rise of biochemical industry, a series of compounds containing a series of carbonyl groups prepared from perfluorohexylethylsulfonic acid has become an important amino protector in the synthesis of polypeptides, and it is also an intermediate for the synthesis of drug methyl chloroformate.

2. Fragrances and daily cosmetics: Perfluorohexylethylsulfonic acid is also widely used in the production of fragrances and daily cosmetics.

3. Organic Solvents: Perfluorohexylethylsulfonic acid is also used as organic solvent due to its unique chemical properties.

4.Organic Synthesis Intermediate: Perfluorohexylethylsulfonic acid is an intermediate of many organic synthesis reactions and plays an important role in the synthesis of other chemicals.

5. Electroplating industry: In the electroplating industry, perfluorohexylethylsulfonic acid can be used as a chromium mist inhibitor in the chromium plating process to prevent the production of dangerous chromic acid smoke.

Preparation method: The main industrial synthesis method of perfluorohexylethylsulfonic acid is direct esterification using strong acid as catalyst. However, this method has some disadvantages, such as severe equipment corrosion, dark product color, troublesome treatment of three wastes, etc., which are not conducive to clean production. Therefore, exploring new gentle catalysts to replace strong acids has become the study.

Others: Perfluorohexylethylsulfonic acid can absorb wavelengths around 300nm and is a good ultraviolet absorber. In addition, due to its special chemical structure, the application prospects of perfluorohexylethylsulfonic acid in electronics and aerospace fields are also very broad.