Indigo Blue Vat Blue-Anping Wuxin|Textile Dye,High-Purity

Indigo Blue Vat Blue, also known as Vat Blue 1, is a high-purity crystalline dye renowned for its deep blue color and exceptional durability. This article provides a detailed overview of its properties, applications, and the company behind its production.

Product Features and Specifications

Indigo Blue Vat Blue is a dark blue crystalline powder with a molecular formula of C₁₆H₁₀N₂O₂. It sublimes at temperatures between 390–392°C (734–738°F) and is insoluble in water, alcohol, or ether but soluble in organic solvents like DMSO, chloroform, and concentrated sulfuric acid. Its unique chemical structure makes it a preferred choice for textile dyeing.

Technical Specifications Table

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 predominantly used for dyeing cotton yarn, especially in the production of denim fabric for blue jeans. A single pair of jeans typically requires 3–12 grams of the dye. Its versatility extends to wool and silk, though it is most famously associated with denim. The dye’s properties enable advanced techniques like stone washing and acid washing, which create the iconic faded look of denim.

Image: Indigo Blue Vat Blue in its standard packaging

Packaging and Logistics

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

• 20kg cartons: 9 metric tons (without pallet) in a 20’GP container111; 18 tons (with pallet) in a 40’HQ container111.
• 25kg bags: 12 metric tons in a 20’GP container111; 25 metric tons in a 40’HQ container111.
• 500–550kg bags: 20–22 metric tons in a 40’HQ container111.

For light indigo color suppliers, these options ensure flexibility in global distribution.

Storage and Transportation Guidelines

Proper handling is critical to maintaining the dye’s quality:

• Storage: Keep in a cool, ventilated, and dry warehouse. Maintain a temperature below 25°C and humidity below 75%. Seal packaging during the rainy season to prevent moisture damage.
• Transportation: Avoid mixing with oxidants or edible chemicals. Protect from sunlight, rain, and high temperatures. Store away from fire sources and heat during transit.

For light indigo color manufacturers, these guidelines ensure safe and efficient logistics.

Shelf Life and Stability

The product has a shelf life of two years when stored under recommended conditions. Prolonged exposure to sunlight or air can lead to oxidation and degradation, emphasizing the importance of proper storage.

About the Manufacturer: Anping County Wuxin Chemical Dye Co., Ltd.

Founded as Anping County Wuxin Chemical Dye Co., Ltd., the company is a leading light indigo color factory and light indigo color exporter in China. With a focus on quality and innovation, the company adheres to international standards for chemical production. Their commitment to excellence is reflected in the high purity and consistency of their Indigo Blue Vat Blue.

Images: Product display from Anping County Wuxin Chemical Dye Co., Ltd.

Industry Standards and Certifications

As highlighted by the National Institute of Standards and Technology (NIST), precise measurements and quality control are essential in chemical production. Anping County Wuxin Chemical Dye Co., Ltd. aligns with these principles, ensuring their products meet rigorous NIST-recognized standards for purity and performance.

Conclusion

Indigo Blue Vat Blue stands out as a reliable and versatile dye for the textile industry. Its high purity, durability, and compatibility with advanced dyeing techniques make it a preferred choice for manufacturers worldwide. For light indigo color suppliers and light indigo color manufacturers, Anping County Wuxin Chemical Dye Co., Ltd. offers a trusted partnership backed by quality and innovation.