Our premium Indigo Blue Vat Blue is a professional-grade chemical dye, appearing as dark blue even grains. Engineered for high purity and stability, this crystalline powder is the gold standard for textile manufacturers seeking deep, consistent blue tones and superior color fastness in high-volume production.
Specifically formulated for the denim industry, it is the essential component for producing high-quality cotton yarn and denim cloth. Its unique chemical properties make it ideal for advanced textile finishing techniques, including stone washing and acid washing, ensuring a premium look and feel for blue jeans and luxury apparel.
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) | Insoluble | Solubility (Organic) | Soluble in DMSO, Chloroform |
| Validity Period | Two Years | Recommended Storage | Below 25°C / Humidity < 75% |
Key Advantages
High Chemical Purity
With a purity level of ≥94%, our Indigo Blue ensures vibrant colors and minimal impurities for cleaner textile processing.
Extended Stability
Two-year shelf life when stored correctly, reducing waste and ensuring consistency across multiple production batches.
Denim Optimization
Perfectly tailored for cotton yarn, enabling the classic blue jeans look with efficient dye uptake.
Versatile Finishing
Optimized for stone washing and acid washing effects, allowing for rapid and precise aesthetic modifications.
Uniform Grain Size
Dark blue even grains ensure seamless dissolution in specialized solvents and uniform coloring of fibers.
Strict Quality Control
Rigorous monitoring of iron ion content (≤200ppm) to prevent fabric spotting and color deviation.
Product Gallery
Management Platforms
Flexible Packaging
Available in 20kg cartons, 25kg bags, or 500-550kg bulk bags to suit any scale of operation.
Container Logistics
Optimized loading for 20'GP and 40'HQ containers, maximizing transport efficiency and reducing costs.
Safety Transport
Strict prohibition of mixing with oxidants or edible chemicals to ensure 100% cargo safety.
Environmental Control
Protective measures against sun exposure and high temperature during transit to maintain potency.
Climate Storage
Dry, ventilated warehouse management with controlled temperature below 25°C and humidity below 75%.
Isolation Protocol
Stored away from acids, alkalis, and strong oxidants to prevent deterioration or combustion.
Investment Return Comparison
| Performance Metric | Standard Indigo | Our Premium Indigo |
|---|---|---|
| Color Consistency | Variable | Highly Uniform |
| Dye Efficiency | Moderate | Optimized High-Uptake |
| Finishing Flexibility | Standard | Superior (Stone/Acid Wash) |
| Impurity Level | Medium | Ultra-Low (≤200ppm Iron) |
| Storage Stability | Short-term | Long-term (24 Months) |
Frequently Asked Questions
The primary use is as a dye for cotton yarn, specifically for the production of denim cloth used in blue jeans. It is also used in smaller quantities for wool and silk dyeing.
It must be stored in a cool, dry, and ventilated warehouse below 25°C and 75% humidity. Packaging must be completely sealed to avoid air and sunlight exposure.
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 Indigo with oxidants or edible chemicals. It must be protected from rain, sun exposure, and high-temperature areas.
On average, a single pair of blue jeans requires between 3 grams (0.11 oz) to 12 grams (0.42 oz) of dye.
Our product maintains a high purity level of ≥94%, ensuring professional-grade performance and color depth in industrial applications.







