Vat Red 41

Vat Red 41 (Thioindigo) is chosen for applications requiring long-lasting, intense colour with excellent resistance to environmental factors. Its robustness and versatility make it a key dye in the textile industry, as well as in other sectors where durable, vibrant colour is essential.

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CAS: 522-75-8

HSN Code: 32041531

Chemical Formula: C₁₆H₈O₂S₂

Appearance: Red Uniform Powder

Color Index: 73300

Applications

Properties

• Textile Dyeing: Primarily used in dyeing cotton and other cellulose fiber. The dye is applied in a reduced, soluble form and then oxidized to its insoluble form, locking the colour into the fiber. Ideal for fabrics that require vibrant, long-lasting colour with high resistance to fading and washing.
• Printing: Used in textile printing, particularly for designs that require deep, rich red or purple shades. Its strong lightfastness and wash-fastness make it suitable for high-quality prints.
• Leather Dyeing: Sometimes used in the dyeing of leather goods where a durable, vibrant red colour is desired.
• Industrial Applications: Used in the coloration of plastics, where its chemical and thermal stability are essential.
• Pigment Production: Employed in the production of pigments for paints, coatings, and inks, where deep red shades are needed with high durability.

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