alizarin
/ə'lizərin/ Cách viết khác : (alizarine) /ə'lizərin/
Definition
Noun: 1. An orange-red crystalline compound: A chemical substance, originally derived from the root of the madder plant, used primarily in the manufacture of red dyes and pigments.
Usage
- Alizarin is a key component in the production of certain artist's paints and textile dyes.
- Historically, alizarin was a crucial natural dye before being synthesized in the laboratory.
- The chemical structure of alizarin allows it to bind strongly to fabrics treated with a mordant.
Examples
- The chemist synthesized alizarin to create a vibrant, colorfast red pigment.
- Alizarin crimson is a famous paint color named after this compound.
- The discovery of synthetic alizarin in the 19th century revolutionized the dye industry.
Advanced Usage
- Alizarin Red S: A modified form of alizarin used as a biological stain to detect calcium deposits in tissues.
- Alizarin complexone: A chemical reagent used in analytical chemistry for the spectrophotometric determination of certain metal ions.
Variants and Related Words
- Alizarine: An alternative, less common spelling for alizarin.
- Alizarin crimson: The name of the specific red pigment made from alizarin.
Synonyms
- Mordant dye (specifically when referring to its dyeing property)
- 1,2-dihydroxyanthraquinone (its systematic chemical name)
Related Phrases and Terms
- Alizarin dye: A dye made from or using alizarin as its colorant.
- Alizarin yellow: A related compound used as a pH indicator, turning yellow in acidic conditions and red in alkaline conditions.
Noun
-
an orange-red crystalline compound used in making red pigments and in dyeing
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