sulfanilic acid
Definition
- Noun:
- A chemical compound used in dye production: Sulfanilic acid is a specific organic compound, a white or grayish crystalline solid, derived from aniline. Its primary historical and industrial use is as a key intermediate in the manufacture of certain synthetic dyes, particularly azo dyes.
Examples of Usage
- Noun:
- The laboratory synthesized the azo dye by first preparing sulfanilic acid.
- Sulfanilic acid is an important reagent in the traditional Griess test for detecting nitrite ions.
Advanced Usage
- Chemical Synthesis: In advanced chemistry, sulfanilic acid is described as an aminobenzenesulfonic acid. It is used not only in dye manufacturing but also as a starting material or reagent in other chemical syntheses and analytical chemistry procedures.
Variants and Related Words
- Sulfanilamide (n): A related compound derived from sulfanilic acid, which was the basis for the first commercially available antibacterial sulfa drugs.
- Aniline (n): The aromatic amine from which sulfanilic acid is historically produced.
Synonyms
- 4-Aminobenzenesulfonic acid (n): The systematic IUPAC name for the same chemical compound.
Related Phrases / Contexts
- Dye intermediate: This is a common functional description for sulfanilic acid in industrial chemistry.
- Griess reagent: Sulfanilic acid is a component of this chemical test solution.
Noun
-
a crystalline acid made from aniline and used as a dye
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