Introduction to Indigo Blue Vat Blue
Indigo Blue Vat Blue, also known as Indigo Blue, is a versatile and historically significant dye that has been used for centuries to color textiles, particularly cotton. This dark blue crystalline powder is renowned for its unique chemical properties, making it a staple in the textile industry. In this article, we will explore the product's specifications, applications, and the company behind its production, while also referencing authoritative standards from the National Institute of Standards and Technology (NIST) to ensure credibility and reliability.

Product Features and Benefits
Indigo Blue Vat Blue is characterized by its distinct chemical structure and physical properties. Its chemical formula, C16H10N2O2, and molecular weight of 262.62 make it a unique compound in the dye industry. One of its most notable features is its insolubility in water, alcohol, and ether, which allows it to be used in various industrial applications. However, it is soluble in organic solvents such as DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid, making it suitable for specialized dyeing processes.
The dye's sublimation point at 390–392°C (734–738°F) further highlights its thermal stability, which is crucial for industrial applications. Its dark blue even grains appearance and high purity (≥94%) ensure consistent and vibrant results when used in textile production. Additionally, the low water content (≤1%) and controlled iron ion content (≤200ppm) contribute to its longevity and performance in various environments.
Technical Specifications
Parameter | Specification |
---|---|
Appearance | Dark blue even grains |
Purity | ≥94% |
Water Content | ≤1% |
Iron Ion Content | ≤200ppm |
These specifications are critical for ensuring the product meets industry standards and performs reliably in textile applications. The high purity and controlled impurity levels are particularly important for maintaining the dye's effectiveness and preventing unwanted reactions during the dyeing process.
Applications and Usage
Indigo Blue Vat Blue is primarily used as a dye for cotton yarn, which is essential in the production of denim fabric. Denim, commonly used for blue jeans, requires a specific amount of dye to achieve the desired color and durability. On average, a pair of blue jeans uses between 3 grams (0.11 oz) to 12 grams (0.42 oz) of indigo dye. This versatility allows for a range of shades and finishes, from the classic deep blue of traditional denim to more modern, lighter tones.
Smaller quantities of indigo dye are also used in the dyeing of wool and silk, demonstrating its adaptability across different textile types. The dye's properties make it ideal for techniques such as stone washing and acid washing, which are popular in the fashion industry for creating unique textures and effects on denim.



Packaging and Logistics
The packaging of Indigo Blue Vat Blue is designed to ensure safe and efficient transportation and storage. The product is available in various packaging options, including 20kg cartons, 25kg bags, and 500-550kg bags, catering to different customer needs. The packaging specifications are as follows:
- 20kg cartons: 9mt (no pallet) in 20'GP container111; 18tons (with pallet) in 40'HQ container111
- 25kgs bag: 12mt in 20'GP container111; 25mt in 40'HQ container111
- 500-550kgs bag: 20-22mt in 40'HQ container111
These packaging options allow for flexibility in shipping, ensuring that the product reaches customers efficiently while maintaining its quality. The company also offers customization options based on customer requirements, reflecting its commitment to meeting diverse market demands.
Storage and Transportation Guidelines
Proper storage and transportation are essential for maintaining the quality and safety of Indigo Blue Vat Blue. The product must be stored in a cool, ventilated, and dry warehouse, with the temperature controlled below 25°C and relative humidity below 75%. During the rainy season, the packaging must be completely sealed to prevent moisture-related deterioration. Prolonged exposure to sunlight or air can lead to oxidation and degradation, so it is crucial to keep the product in a sealed container111.
During transportation, Indigo Blue Vat Blue should be protected from sun exposure, rain, and high temperatures. It is strictly prohibited to mix and transport it with oxidants or edible chemicals. When stopping over, the product must be kept away from fire, heat sources, and high-temperature areas to prevent any potential hazards. These guidelines ensure that the product remains stable and safe throughout its journey from the manufacturer to the end-user.
Company Background: Anping County Wuxin Chemical Dye Co., Ltd.
Indigo Blue Vat Blue is produced by Anping County Wuxin Chemical Dye Co., Ltd., a reputable manufacturer in the chemical and dye industry. The company, known as INNER MONGOLIA WU XIN CHEMICAL CO. LTD in English, has established itself as a trusted supplier of high-quality chemical products. With a focus on innovation and customer satisfaction, the company has built a strong reputation in the global market.
As a leading light indigo color manufacturer, Anping County Wuxin Chemical Dye Co., Ltd. offers a wide range of products, including light indigo color suppliers and light indigo color factories. The company's commitment to quality is reflected in its adherence to international standards and its continuous efforts to improve its products and services. For more information about the company, visit their official website.
Industry Standards and NIST Reference
The importance of standardized measurements and quality control in the chemical industry cannot be overstated. The National Institute of Standards and Technology (NIST), a non-regulatory agency of the United States Department of Commerce, plays a vital role in developing and maintaining standards that ensure the accuracy and reliability of measurements. As noted on the NIST website, "NIST’s measurements and research fuel innovation and improve the quality of life for all Americans."
In the context of chemical products like Indigo Blue Vat Blue, NIST's work in establishing precise standards for chemical composition, solubility, and purity is crucial. These standards help manufacturers and users ensure that products meet the required specifications, thereby enhancing safety and performance. By referencing NIST's role in measurements and standards, we underscore the importance of adhering to rigorous quality control measures in the production and use of chemical dyes.
Conclusion
Indigo Blue Vat Blue is a versatile and essential dye in the textile industry, known for its high purity, unique chemical properties, and wide range of applications. From its use in denim production to its adaptability in dyeing various fabrics, the product continues to be a cornerstone of the dyeing process. The company behind its production, Anping County Wuxin Chemical Dye Co., Ltd., exemplifies the commitment to quality and innovation that is vital in the chemical industry.
By adhering to strict storage, transportation, and packaging guidelines, the product ensures that it reaches customers in optimal condition. Furthermore, the integration of industry standards and references to NIST's role in measurements highlights the importance of precision and reliability in the chemical sector. As the demand for high-quality dyes continues to grow, products like Indigo Blue Vat Blue will remain indispensable in meeting the needs of the textile industry.