Pronunciation: [kɹə͡ʊtˈɒnɪk ˈasɪd] (IPA) 
The correct spelling of the chemical compound crotonic acid is /kroʊˈtɒn-ɪk ˈæsɪd/. The first syllable "cro" is pronounced with a long "o" sound as in "throw". The "t" and "r" sounds in the second syllable are blended, making it sound like "tron". The final syllable "ic" is pronounced with a short "i" sound as in "it" and "a" as in "cat". This acid is commonly used in the manufacturing of various chemicals and plastics.
Crotonic acid is a chemical compound with the molecular formula C4H6O2 and the systematic name (E)-but-2-enoic acid. It is a colorless, pungent, and corrosive liquid consisting of a carboxylic acid functional group attached to a short-chain unsaturated hydrocarbon chain.
Crotonic acid is classified as an unsaturated fatty acid and falls under the category of carboxylic acids. It is part of the group of compounds known as alpha, beta-unsaturated acids, as it contains a double bond between the second and third carbon atoms of the hydrocarbon chain.
This organic acid occurs naturally in food sources such as tomatoes and fruits. It also has industrial applications, primarily as a precursor in the synthesis of other chemicals, including pharmaceuticals, fragrances, adhesives, and polymers. Additionally, crotonic acid is used in biochemical research as a reagent for studying protein structure and function.
In terms of reactivity, crotonic acid is prone to polymerization and will readily react with bases and reducing agents. It is also flammable and its vapors may form explosive mixtures with air. Due to its corrosive nature, proper precautions should be taken when handling and storing crotonic acid.
Overall, crotonic acid is a versatile compound with various applications in different fields, making it an important chemical in both industrial and scientific settings.
A poisonous acid, C4H6O2, of the acetylene series, derived from croton-oil.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "crotonic" acid is derived from the plant Croton, specifically Croton tiglium, which is known for its medicinal uses. The acid was named after this plant since it was originally isolated from the oil of Croton tiglium seeds. The term "acid" refers to its chemical nature as a carboxylic acid.
