aniline dye
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Definition
Noun: A synthetic dye derived from aniline or its chemical derivatives. Aniline dyes are a large class of colorants known for their vivid colors and were among the first synthetic dyes ever created.
Usage
Aniline dye is a countable noun. It refers to a specific type of dye manufactured through chemical processes involving aniline. - These dyes are primarily used for coloring textiles, leather, wood, and paper. - The term is often used in historical and industrial contexts to distinguish early synthetic dyes from natural dyes.
Examples
- The vibrant red in the vintage dress was achieved using an aniline dye.
- Early aniline dyes, such as mauveine, revolutionized the textile industry in the 19th century.
- He specializes in restoring furniture using traditional aniline dyes to match the original finish.
Advanced Usage
- Historical Context: The discovery of the first aniline dye, mauveine, by William Henry Perkin in 1856 marked the beginning of the synthetic dye industry.
- Technical Distinction: In chemistry, the term can specify dyes where the chromophore (color-producing group) is part of an aniline-derived structure.
Variants and Related Words
- Aniline: (Noun) A colorless, oily, poisonous liquid (C₆H₅NH₂) that is the parent compound for many dyes, drugs, and plastics.
- Anilin (archaic spelling): An older variant spelling of "aniline."
Synonyms
- Synthetic dye
- Coal-tar dye (a related historical term, as aniline was originally derived from coal tar)
Notes
- While "aniline dye" is a specific term, it is sometimes used more loosely to refer to various synthetic dyes. In precise technical usage, it refers to dyes whose molecular structure is based on aniline.
- The production and use of some early aniline dyes raised health and safety concerns, leading to stricter regulations.
Noun
- any of many dyes made from aniline