Indigo Blue Vat Blue is a premium, high-purity organic pigment renowned for its deep, rich coloration and exceptional stability. As a crystalline powder with a purity level of ≥94%, it is the industry standard for achieving the authentic blue hues required in high-end textile manufacturing, specifically designed for superior binding and longevity.
Engineered primarily for the denim industry, this high-performance dye is essential for producing cotton yarn and denim cloth used in blue jeans. Its unique chemical properties enable the textile to undergo sophisticated finishing processes such as stone washing and acid washing, ensuring a versatile and durable finish that meets global fashion standards.
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 | Soluble in DMSO, Chloroform | Insolubility | Water, Alcohol, Ether |
| Validity Period | Two Years | Storage Temp | Below 25°C |
Key Advantages
High Purity Grade
With purity ≥94%, it ensures consistent color reproduction and minimizes impurities in the final textile product.
Excellent Stability
Designed for long-term validity of two years when stored correctly under controlled humidity and temperature.
Denim Optimized
The ideal choice for blue jeans, providing the exact properties needed for professional stone and acid washing.
Versatile Application
While primary for cotton, it is also highly effective for specialized dyeing of wool and silk fibers.
Precise Grain Size
Dark blue even grains ensure seamless dissolution and uniform color distribution across the fabric.
Efficient Dosage
Highly concentrated formula requiring only 3g to 12g of dye per pair of blue jeans.
Product Gallery
Management Platforms
Flexible Packaging
Available in 20kg, 25kg, or 500-550kg bags to meet diverse industrial requirements.
Logistics Optimization
Optimized container loading for 20'GP and 40'HQ, supporting both palletized and non-palletized shipments.
Safety Compliance
Strict prohibition of mixing with oxidants or edible chemicals during transportation.
Environmental Protection
Transport protocols protect product from sun exposure, rain, and high-temperature areas.
Climate-Controlled Storage
Maintained in cool, ventilated warehouses below 25°C and humidity under 75%.
Oxidation Prevention
Hermetically sealed packaging to prevent deterioration from air and sunlight exposure.
Investment Return Comparison
| Feature Metric | Standard Indigo Dye | Premium Vat Blue |
|---|---|---|
| Purity Level | Standard Grade | High Purity (≥94%) |
| Color Consistency | Variable | Highly Uniform |
| Washing Effects | Basic | Optimized for Stone/Acid Wash |
| Storage Life | Short-term | Long-term (2 Years) |
| Application Efficiency | Moderate | High (Low Dosage/High Yield) |
Frequently Asked Questions
It is primarily used as a dye for cotton yarn, specifically for the production of denim cloth used in blue jeans, though it can also be used for wool and silk.
Store in a cool, dry, ventilated warehouse below 25°C and 75% relative humidity. Keep sealed and isolated from acids, alkalis, and strong oxidants.
Yes, its properties are specifically suited for denim cloth, allowing effects like stone washing and acid washing to be applied efficiently.
Indigo Blue is insoluble in water, alcohol, and ether, but it is soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid.
On average, a pair of blue jeans requires between 3 grams (0.11 oz) and 12 grams (0.42 oz) of this dye.
Yes, it is strictly prohibited to transport it with oxidants or edible chemicals. It must also be protected from sun, rain, and high temperatures.







