In the vibrant world of dyes and pigments, few colors evoke the same timeless elegance and rich history as indigo. From the ancient civilizations of Egypt and India to the modern fashion runways, indigo dye has captivated artists, craftsmen, and consumers alike with its unique blue hue. Among the many variations of indigo dyes, Bromo indigo; Vat bromo-indigo; C.I.Vat blue 5, stands out as a versatile and powerful colorant, shaping the future of textile coloring.
To fully appreciate the significance of Bromo Indigo, let's start with the origins of indigo dye itself. Indigenous to tropical regions, the indigo plant (Indigofera tinctoria) has been used for centuries to produce one of the most sought-after blue dyes in history. The process of extracting and processing indigo into a usable dye was complex and labor-intensive, involving fermentation, precipitation, and purification steps. However, the resulting color was worth the effort—a deep, intense blue that resisted fading and maintained its vibrancy even after repeated washings.
As the textile industry evolved, so did the techniques for dyeing fabrics. vat dye indigo, a category of dyes that require reduction in an alkaline solution before application and subsequent oxidation to fix the color onto fibers, emerged as a superior alternative for achieving vibrant, long-lasting hues. Indigo vat dye—including Bromo Indigo—were among the most important developments in this field, offering superior colorfastness and depth of color compared to traditional indigo dyes.
The appeal of Bromo Indigo extends beyond just fashion. It finds applications in various industries where color consistency and durability are paramount:
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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.