Arachidic acid also called eicosanoic acid is a saturated fatty acid found in peanut oil. It melts at 75.4°C and its chemical formula is CH3(CH2)18COOH. In chemistry, especially biochemistry, a fatty acid is a carboxylic acid (or organic acid), often with a long aliphatic tail (long chains), either saturated or unsaturated. ... Binomial name Arachis hypogaea L. The peanut or groundnut (Arachis hypogaea) is a species in the pea family Fabaceae native to South America. ...
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Scientific Name: Eicosanoic acid
Common Name: Arachidic acid
Other Names: Arachic acid, arachidic acid, icosanoic acid, n-eicosanoic acid
Reduction of arachidic acid yields arachidyl alcohol. Arachidyl alcohol, also 1-eicosanol, is a straight-chain fatty alcohol, with formula C20H41OH. Categories: | ...
Acetic acid is ten times weaker an acid than formic acid (first two entries in the second row), confirming the electron donating character of an alkyl group relative to hydrogen, as noted earlier in a discussion of carbocation stability.
Reactions in which the hydroxyl group of a carboxylic acid is replaced by another nucleophilic group are important for preparing functional derivatives of carboxylic acids.
Acid catalysis is necessary to increase the electrophilic character of the carboxyl carbon atom, so it will bond more rapidly to the nucleophilic oxygen of the alcohol.
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