Sulfonic acid
Sulfonic Acid
Sulfonic acid (pronunciation: /sʌlˈfɒnɪk ˈæsɪd/) is a type of acid that contains a sulfonyl functional group (R-SO2-OH). It is a derivative of sulfuric acid (H2SO4) where an OH has been replaced by an organic group.
Etymology
The term "sulfonic" is derived from the sulfur element, which is a key component of the compound, and the suffix "-onic" which is used in chemistry to denote a particular type of acid.
Structure and Properties
Sulfonic acids have the general formula RSO2OH, where R is an organic alkyl or aryl group. They are strong acids that are resistant to oxidation and reduction, making them important in a variety of chemical reactions.
Uses
Sulfonic acids are used in many industrial applications, including the production of detergents, dyes, and pharmaceuticals. They are also used as catalysts in organic synthesis.
Related Terms
- Sulfonyl chloride: A compound derived from sulfonic acid by replacing the -OH group with a chlorine atom.
- Sulfonamide: A type of compound that contains the sulfonamide group, derived from sulfonic acids.
- Sulfone: A compound containing a sulfonyl group attached to two carbon atoms.
External links
- Medical encyclopedia article on Sulfonic acid
- Wikipedia's article - Sulfonic acid
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