Indigo dye
Chemical compound; food additive and dye
Nº Q422662 ★★★
Rare · Knowledge
Indigo dye
Chemical compound; food additive and dye
Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye obtained from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria. Dye-bearing Indigofera plants were once common throughout the world.
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From Wikipedia
Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye obtained from the leaves of some plants of the Indigofera genus, in particular Indigofera tinctoria. Dye-bearing Indigofera plants were once common throughout the world. Blue colorants are relatively rare. Since indigo is insoluble, it is also referred to as a pigment (C.I. Pigment Blue 66, C.I.). Most indigo dye produced today is synthetic, constituting around 80,000 tonnes each year, as of 2023. It is most commonly associated with the production of denim cloth and blue jeans, where its properties allow for effects such as stone washing and acid washing to be applied quickly.
Text: Wikipédia, CC BY-SA 4.0. · Image: Photo by Evan Izer (Palladian) (CC BY-SA 2.5) ·
