Indigo, genuine, NB 1

Genuine Indian Indigo (Indigofera tinctoria L.) A deeply historical organic pigment, genuine Indian Indigo yields a beautifully muted, blackish-blue hue. Completely insoluble in both water and alcohol, this legendary plant-based colorant has been utilized by artists for millennia. Its rich lineage spans from archaeological excavations dating back to 3000 BC, through 1st-century Roman frescoes, to early medieval miniatures.

Please note: As an authentic, organic botanical extract, this pigment possesses a distinct and completely natural inherent odor.

• Chemical description: Natural organic product. Natural Blue 1, C.I. 75780
• Lightfastness - thinned: 8 (1 is bad, 8 is best)
• Lightfastness - medium: 8 (1 is bad, 8 is best)
• Lightfastness - concentrated: 8 (1 is bad, 8 is best)
• ColorIndex: NB 1.75780
• Suitability: Acrylics, Dyeing, Oil, Tempera, Watercolor / Gouache