Basic Dyes

Category:

Textile Industry: Dyeing acrylic fibers, wool, silk, and nylon.
• Paper Industry: Coloring paper and cardboard.
• Biological Sciences: Staining cells and tissues
• Ink & Paints: Used in ballpoint pen inks, printing inks, and coatings.

Dye Type HSN Code (India) Examples Typical Uses
Basic Dyes 32041359 Auramine O, Rhodamine B, Methylene Blue Textile dyeing (acrylic, silk, wool), paper coloring, biological staining
Acid Dyes 32041200 Acid Red 1, Acid Blue 9 Wool, silk, nylon dyeing; leather finishing; food coloring
Direct Dyes 32041400 Direct Blue 1, Direct Red 28 Cotton, rayon, paper dyeing; easy application without mordants
Reactive Dyes 32041600 Reactive Blue 19, Reactive Red 120 Cotton, cellulose fibers; forms covalent bonds for wash-fast colors
Vat Dyes 32041500 Indigo, Vat Orange 1 Denim dyeing, cotton fabrics; highly durable and lightfast
Disperse Dyes 32041700 Disperse Red 1, Disperse Blue 56 Polyester, acetate fibers; used in synthetic textiles
Sulfur Dyes 32041800 Sulfur Black 1 Cotton dyeing; economical, dull shades, high wash-fastness
Azo Dyes 32041310 Orange II, Congo Red Wide textile applications; vivid colors; some used in pigments and inks
Natural Dyes 32030000 Indigo (plant-based), Cochineal Traditional textile dyeing, eco-friendly applications

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