Our Premium Indigo Blue Vat Blue is a professional-grade synthetic dye, engineered specifically for the high-demand textile industry. As a dark blue crystalline powder with exceptional chemical stability, it serves as the gold standard for creating authentic denim shades, offering unparalleled depth and consistency for cotton yarn and denim fabric production.
Designed for versatility and high performance, this Indigo dye allows manufacturers to achieve a wide range of artistic effects, including stone washing and acid washing. With strict adherence to purity and quality standards, our product ensures a seamless dyeing process, providing the essential brilliance and durability required for premium blue jeans and high-end wool or silk textiles.
Detailed Parameters
| Appearance | Dark blue even grains | Purity | ≥94% |
|---|---|---|---|
| Water Content | ≤1% | Iron Ion Content | ≤200ppm |
| Chemical Formula | C16H10N2O2 | Sublimation Point | 390–392 °C |
| Solubility (Water/Alc) | Insoluble | Solubility (DMSO/CHCl3) | Soluble |
| Validity Period | Two Years | Primary Application | Denim & Cotton Yarn |
Key Advantages
High Purity Grade
With a purity level of ≥94%, our Indigo Blue ensures consistent color saturation and minimizes impurities in the dyeing bath.
Efficient Application
Optimized for denim production, requiring only 3g to 12g per pair of jeans for professional, deep-blue results.
Textile Versatility
While primary for cotton, it is highly effective for specialty dyeing of wool and silk fabrics.
Wash-Effect Ready
Perfectly suited for advanced post-processing like stone washing and acid washing to create trendy faded looks.
Strict Quality Control
Rigorous monitoring of iron ion content (≤200ppm) to prevent unwanted spotting or discoloration.
Custom Packaging
Available in 20kg, 25kg, or 500-550kg bags to meet various industrial scale and logistics requirements.
Product Gallery
Management Platforms
Logistics Optimization
Flexible container loading from 20'GP (up to 12mt) to 40'HQ (up to 25mt) depending on bag size.
Storage Protocol
Strict temperature control below 25°C and humidity below 75% to prevent oxidation.
Safety Compliance
Strict separation from oxidants and edible chemicals during transport to ensure safety.
Environmental Protection
Packaging is completely sealed to protect against moisture and air-induced deterioration.
Inventory Management
Standardized 2-year validity period allows for efficient stock rotation and quality assurance.
Risk Mitigation
Detailed transport guidelines to avoid sun exposure, rain, and high-temperature zones.
Investment Return Comparison
| Feature | Standard Indigo | Premium Vat Blue |
|---|---|---|
| Purity Level | Low/Variable | ≥94% High Purity |
| Color Consistency | Moderate | Exceptional/Uniform |
| Dye Consumption | Higher per unit | Optimized (3-12g/jeans) |
| Wash Durability | Standard | High (Stone/Acid Wash) |
| Shelf Life | Short/Unstable | Stable 2-Year Validity |
Frequently Asked Questions
The primary use is as a dye for cotton yarn, specifically in the production of denim cloth for blue jeans, though it can also be used for wool and silk.
It must be stored in a cool, dry, and ventilated warehouse below 25°C and 75% humidity, kept sealed to avoid oxidation from air and sunlight.
No, Indigo is insoluble in water, alcohol, or ether. However, it is soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid.
It is strictly prohibited to transport it with oxidants or edible chemicals. It must be protected from rain, sun exposure, and high-temperature areas.
On average, a pair of blue jeans requires between 3 grams (0.11 oz) to 12 grams (0.42 oz) of the dye.
The product has a validity period of two years when stored under the recommended conditions.







