pentanoic acid
Học thuậtThân thiện
Definition
Noun A clear, colorless liquid carboxylic acid with the chemical formula C₅H₁₀O₂. It is a fatty acid with a pungent, unpleasant odor, naturally occurring in some plants and animal fats, and used in the production of perfumes, pharmaceuticals, and plasticizers.
Usage
"Pentanoic acid" is a technical/scientific term used primarily in chemistry, biochemistry, and industrial manufacturing contexts. It refers to the specific chemical compound itself.
Examples - The laboratory synthesized pentanoic acid for the new fragrance formulation. - Pentanoic acid is one of several volatile fatty acids found in ruminant digestion. - The characteristic odor of rancid butter is partly due to the presence of pentanoic acid.
Advanced Usage
- In IUPAC Nomenclature: "Pentanoic acid" is the standardized IUPAC name, indicating a five-carbon chain ("pent-") with a carboxylic acid functional group ("-anoic acid").
- In Biochemistry: It is classified as a short-chain fatty acid (SCFA) and can be a metabolic intermediate.
Variants and Related Words
- Valeric acid: This is a common synonym for pentanoic acid. The two terms are often used interchangeably, though "pentanoic acid" is the preferred IUPAC name.
- Carboxylic acid: The general class of organic acids to which pentanoic acid belongs, characterized by the -COOH functional group.
- Fatty acid: A broader category of carboxylic acids with long aliphatic chains, of which pentanoic acid (a short-chain example) is a member.
Synonyms
- Valeric acid
Related Phrases / Terms
- Pentanoate: The conjugate base or salt form of pentanoic acid (e.g., sodium pentanoate).
- Esters of pentanoic acid: Compounds formed from pentanoic acid and an alcohol, often used as flavorings or fragrances (e.g., pentyl pentanoate, which has a fruity odor).
Noun
- a clear liquid carboxylic acid used in perfumes and drugs