Indigo dye

Indigo dye is an <a href="/facts/Organic_compound/gqCNaN45">organic compound</a> with a distinctive <a href="/facts/Indigo/0gteqpM1">blue color</a>. Indigo is a <a href="/facts/Natural_dye/qry80lhk">natural dye</a> obtained from the leaves of some plants of the <a href="/facts/Indigofera/z5V5GDsj">Indigofera</a> genus, in particular <a href="/facts/Indigofera_tinctoria/jk8Ho0x3">Indigofera tinctoria</a>. Dye-bearing Indigofera plants were once common throughout the world. It is now produced via chemical routes. Blue colorants are rare. Since indigo is insoluble, it is also referred to as a pigment (C.I. Pigment Blue 66, C.I.).
Most indigo <a href="/facts/Dye/a1NSlcsG">dye</a> produced today is <a href="/facts/Chemical_synthesis/3KXsVVwC">synthetic</a>, constituting around 80,000 tonnes each year, as of 2023. It is most commonly associated with the production of <a href="/facts/Denim/pg2dzVFt">denim</a> cloth and <a href="/facts/Jeans/RaMQVQ35">blue jeans</a>, where its properties allow for effects such as <a href="/facts/Stone_washing/FT3MqgSp">stone washing</a> and <a href="/facts/Stone_washing/FT3MqgSp">acid washing</a> to be applied quickly.

Indigo dye open-in-new

Indigo dye