ethanoate
Definition
- Noun:
- A salt or ester of acetic acid: In chemistry, 'ethanoate' refers to a compound formed when the hydrogen of acetic acid is replaced by a metal (forming a salt) or by an organic group (forming an ester). It is the official IUPAC name for what is commonly called an acetate.
Examples of Usage
- Noun:
- Sodium ethanoate is commonly used as a buffer in laboratory experiments.
- The ester, methyl ethanoate, has a fruity smell and is used in flavorings.
Advanced Usage
- In chemical nomenclature: The term 'ethanoate' is systematically used in IUPAC naming to denote the anion (CH₃COO⁻) or the ester group derived from ethanoic acid (acetic acid).
- The compound is correctly named potassium ethanoate, not potassium acetate, in strict systematic nomenclature.
Variants and Related Words
- Acetate (n): The common, traditional name for an ethanoate.
- Cellulose acetate is a synthetic polymer.
- Ethanoic acid (n): The systematic IUPAC name for acetic acid (CH₃COOH), from which ethanoates are derived.
Synonyms
- Acetate: The traditional and widely used synonym in both industrial and common contexts.
Related Phrases
- Ethanoate ion: Refers specifically to the anion (CH₃COO⁻) present in salts and in solution.
- The ethanoate ion acts as a weak base in aqueous solution.
Noun
-
a salt or ester of acetic acid
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