sulphanilic acid
Học thuậtThân thiện
Definition
Noun: * A chemical compound: Sulphanilic acid is an organic compound, specifically an aminobenzenesulfonic acid. It is a white or greyish crystalline solid that is an important intermediate in the production of azo dyes.
Examples of Usage
- Noun:
- The laboratory synthesized sulphanilic acid from aniline for the experiment.
- Sulphanilic acid is a key reagent in the Griess test for detecting nitrite ions.
Advanced Usage
- In chemical nomenclature: The compound is systematically named 4-aminobenzenesulfonic acid. "Sulphanilic acid" remains the common, traditional name in industrial and laboratory contexts.
- As a reagent: It is frequently described as a reagent or intermediate, rather than a final product, in chemical processes.
- The protocol requires sulphanilic acid to be dissolved in acetic acid.
Variants and Related Words
- Sulfanilic acid: An alternative spelling, more common in American English.
- Aniline: (noun) The aromatic amine from which sulphanilic acid is commonly derived.
- Azo dye: (noun) A class of synthetic dyes whose production often involves sulphanilic acid as a diazo component.
Synonyms
- 4-aminobenzenesulfonic acid: The systematic IUPAC name.
- 4-anilinesulfonic acid: Another chemical name.
Related Phrases / Idioms
(This word is a specific chemical term and is not typically used in idiomatic or phrasal verb constructions.)
Noun
- a crystalline acid made from aniline and used as a dye