ethanedioic acid
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Definition
- Noun:
- A toxic, colorless, crystalline organic acid: A chemical compound that occurs naturally in some plants, notably those of the genus Oxalis (such as wood sorrel). It is characterized by its crystalline structure, lack of color, and poisonous nature.
- An industrial and laboratory reagent: This substance is used for its chemical properties in applications such as bleaching, removing rust (as a chelating agent), and in analytical chemistry procedures.
Examples of Usage
- Noun:
- Ethanedioic acid is the systematic IUPAC name for the compound commonly known as oxalic acid.
- The laboratory uses ethanedioic acid in volumetric analysis to standardize solutions of potassium permanganate.
- Due to its toxicity, handling ethanedioic acid requires appropriate safety precautions.
Advanced Usage
- In Chemical Nomenclature: "Ethanedioic acid" is the formal name derived from its structure (a two-carbon, or , chain with two carboxyl, or , groups). It is often used in academic and technical writing.
- The preferred IUPAC name is ethanedioic acid, though the traditional name 'oxalic acid' remains prevalent.
Variants and Related Words
- Oxalic acid (n): The most common traditional name for ethanedioic acid.
- Oxalic acid is found in high concentrations in rhubarb leaves.
- Oxalate (n): The salt or ester form of ethanedioic acid.
- Calcium oxalate is a common component of kidney stones.
Synonyms
- Oxalic acid: The direct and most widely used synonym.
- Dicarboxylic acid (specific): A broader class of compounds to which it belongs, based on having two carboxyl groups.
Related Phrases / Terms
- Acid of sugar: An archaic historical name for ethanedioic acid, as it was once prepared from sugar.
- Wood sorrel acid: A name referencing one of its natural sources.
Noun
- a toxic colorless crystalline organic acid found in oxalis and other plants; used as a bleach and rust remover and in chemical analysis