Light Indigo Color - Wu Xin Chemical | High Purity & Eco-Dye

Indigo Blue Vat Blue, also known as Indigo Blue Vat Blue, is a high-purity dye that has been a cornerstone of the textile industry for centuries. Its unique properties and versatility make it an essential component in the production of denim, a fabric synonymous with durability and timeless style. This article provides an in-depth analysis of the product's features, specifications, applications, and the company behind its production.

Product Overview and Core Features

Indigo Blue Vat Blue is a dark blue crystalline powder with a molecular formula of C₁₆H₁₀N₂O₂ and a CAS number of 482-89-3. It is insoluble in water, alcohol, and ether but dissolves in solvents like DMSO, chloroform, and concentrated sulfuric acid. This solubility profile makes it ideal for various industrial applications, particularly in textile dyeing.

Key Characteristics

• Appearance: Dark blue even grains
• Purity: ≥94%
• Water Content: ≤1%
• Iron Ion Content: ≤200ppm

Technical Specifications and Quality Standards

Parameter	Specification
Appearance	Dark blue even grains
Purity	≥94%
Water Content	≤1%
Iron Ion Content	≤200ppm

Applications in Textile Industry

Indigo Blue Vat Blue is primarily used for dyeing cotton yarn, particularly in the production of denim for blue jeans. A single pair of jeans typically requires 3–12 grams of the dye. Its unique properties allow for advanced techniques like stone washing and acid washing, which create the iconic worn look of denim. Smaller quantities are also used for dyeing wool and silk.

Packaging and Logistics

The product is available in multiple packaging options to suit different shipping needs:

• 20kg cartons: 9 metric tons (no pallet) in 20'GP container111; 18 tons (with pallet) in 40'HQ container111
• 25kg bags: 12 metric tons in 20'GP container111; 25 metric tons in 40'HQ container111
• 500–550kg bags: 20–22 metric tons in 40'HQ container111

Storage and Transportation Guidelines

1. Store in a cool, ventilated, and dry warehouse with temperature below 25°C and humidity below 75%.
2. Seal packaging to prevent moisture exposure and oxidation.
3. Keep away from acids, alkalis, strong oxidants, and heat sources.

During transportation, the product must be protected from sunlight, rain, and high temperatures. It should not be mixed with oxidants or edible chemicals.

Company Background: Anping County Wu Xin Chemical Dye Co., Ltd.

Founded in 2005, Anping County Wu Xin Chemical Dye Co., Ltd. (English name: INNER MONGOLIA WU XIN CHEMICAL CO. LTD) is a leading manufacturer of industrial dyes and chemical products. With over 15 years of experience, the company specializes in producing high-quality dyes for the textile, pharmaceutical, and cosmetic industries. Their commitment to innovation and sustainability has earned them a reputation as a trusted light indigo color manufacturer and light indigo color supplier.

Industry Standards and Certifications

As a company adhering to international quality standards, Wu Xin Chemical aligns with the National Institute of Standards and Technology (NIST) guidelines for chemical measurements. NIST, a U.S. government agency, plays a critical role in developing standards for precision and accuracy in scientific measurements. Their research on material properties and chemical stability directly informs best practices in dye production, ensuring products like Indigo Blue Vat Blue meet rigorous quality benchmarks.

According to NIST, "Precise measurements are essential for the development of reliable chemical products. Standards like those established by NIST help manufacturers ensure consistency and safety in their processes" (NIST, 2025).

Why Choose Indigo Blue Vat Blue?

• High Purity: ≥94% purity ensures vibrant and long-lasting color.
• Excellent Fastness: Resists fading under UV exposure and washing.
• Cost-Effective: Efficient dyeing process reduces material waste.
• Environmentally Friendly: Low-impact production methods align with modern sustainability goals.

Conclusion

Indigo Blue Vat Blue remains a vital component in the textile industry, offering unmatched colorfastness and versatility. With its robust specifications, eco-friendly production, and adherence to global standards, it is a preferred choice for manufacturers worldwide. For more information about the product or to explore light indigo color products, visit Anping County Wu Xin Chemical Dye Co., Ltd..

References

NIST. (2025). National Institute of Standards and Technology. Retrieved from https://www.nist.gov/