True indigo, known for its rich blue color, has been a sought-after dye for centuries. The resurgence of interest in natural dyes has led to the emergence of several companies dedicated to producing and promoting true indigo. These companies not only help revive this traditional craft but also emphasize sustainability and environmentally friendly practices.
Another noteworthy player is Indigofera, which focuses on the cultivation of indigo plants, primarily in regions where indigo has a long-standing history. This company not only provides indigo powders but also conducts workshops to educate artisans on the traditional dyeing techniques. By promoting the cultivation of indigo, they support local farmers and empower communities with the knowledge of this ancient craft.

Natural Dye Company is yet another advocate for true indigo, specializing in providing a diverse range of natural dyes. They believe in the importance of transparency in sourcing and strive to trace every product back to its origins. Their true indigo offerings include powdered dye for those who prefer a hands-on approach as well as ready-to-use dye solutions. This range appeals to both hobbyists and professional dyers who are increasingly opting for natural alternatives.
Lastly, Earthues stands out for its commitment to fair trade practices. They partner with communities around the world, ensuring that the farmers who grow indigo receive fair compensation for their labor. By sourcing indigo ethically and sustainably, Earthues not only supports local economies but also ensures that the ancient art of indigo dyeing continues to flourish.
In summary, these companies are at the forefront of the indigo revival, promoting not just the dye itself but a responsible approach to its production. Through their dedication to sustainability and community empowerment, they are paving the way for a vibrant future for true indigo dyeing.
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Sulphur Black
1.Name: sulphur black; Sulfur Black; Sulphur Black 1;
2.Structure formula:
3.Molecule formula: C6H4N2O5
4.CAS No.: 1326-82-5
5.HS code: 32041911
6.Product specification:Appearance:black phosphorus flakes; black liquid
Bromo Indigo; Vat Bromo-Indigo; C.I.Vat Blue 5
1.Name: Bromo indigo; Vat bromo-indigo; C.I.Vat blue 5;
2.Structure formula:
3.Molecule formula: C16H6Br4N2O2
4.CAS No.: 2475-31-2
5.HS code: 3204151000 6.Major usage and instruction: Be mainly used to dye cotton fabrics.
Indigo Blue Vat Blue
1.Name: indigo blue,vat blue 1,
2.Structure formula:
3.Molecule formula: C16H10N2O2
4.. CAS No.: 482-89-3
5.Molecule weight: 262.62
6.HS code: 3204151000
7.Major usage and instruction: Be mainly used to dye cotton fabrics.