Indigo Blue Vat Blue is a premium-grade dark blue crystalline powder, widely recognized as the gold standard for textile dyeing. With a high purity level of ≥94%, this chemical compound (C16H10N2O2) is specifically engineered for high-performance applications, offering exceptional stability and deep color saturation that meets the rigorous demands of the global denim industry.
Primarily utilized in the production of high-quality denim cloth for blue jeans, Indigo Blue allows for advanced finishing techniques such as stone washing and acid washing. While its primary application is cotton yarn, its versatility extends to wool and silk dyeing, ensuring a consistent, professional finish across various fabric types while maintaining strict industrial quality 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, Nitrobenzene, and Conc. H2SO4 | Insolubility | Water, Alcohol, Ether |
| Validity Period | Two Years | Standard Package | 20kg / 25kg / 500-550kg bags |
Key Advantages
High Purity Grade
With purity exceeding 94%, it ensures consistent color depth and minimizes impurities in the dyeing process.
Superior Durability
Designed for long-term color stability, making it ideal for heavy-duty denim production and fashion textiles.
Denim Optimization
Perfectly suited for stone washing and acid washing effects to achieve the classic vintage denim look.
Versatile Application
While optimized for cotton, it is also highly effective for dyeing specialized wool and silk fabrics.
Uniform Grain Size
Dark blue even grains ensure rapid dissolution and uniform distribution during the vat dyeing process.
Strict Quality Control
Rigorous monitoring of iron ion and water content to prevent fabric spotting and quality degradation.
Product Gallery
Management Platforms
Flexible Packaging
Available in 20kg cartons, 25kg bags, or 500-550kg bulk bags to suit various production scales.
Optimized Logistics
Customizable shipping options from 20’GP to 40’HQ containers, supporting both palletized and non-palletized loads.
Safety Transport
Strict prohibition of mixing with oxidants or edible chemicals to ensure material integrity during transit.
Environmental Control
Protected from sun exposure, rain, and high temperatures to prevent premature oxidation.
Precise Storage
Maintained in cool, ventilated warehouses below 25°C and humidity under 75%.
Isolation Protocol
Strictly isolated from acids, alkalis, and strong oxidants to eliminate combustion risks.
Investment Return Comparison
| Performance Metric | Standard Indigo Dye | Our Premium Vat Blue |
|---|---|---|
| Color Consistency | Variable/Moderate | High Stability/Uniform |
| Purity Level | Standard Grade | Premium (≥94%) |
| Washing Effect | Basic Fading | Professional Stone/Acid Wash |
| Storage Life | Standard | Extended (2 Years) |
| Yield Efficiency | Moderate | High (Low Wastage) |
Frequently Asked Questions
It is primarily designed for dyeing cotton yarn used in denim cloth production, specifically for blue jeans that require stone or acid washing effects.
Store in a cool, dry, and ventilated warehouse below 25°C and 75% humidity. Keep it sealed and isolated from acids, alkalis, and strong oxidants.
Yes, while primarily used for cotton, it can also be applied in smaller quantities for dyeing wool and silk.
It must not be transported with oxidants or edible chemicals and must be protected from rain, sun, and high-temperature heat sources.
The product maintains a purity of ≥94% and has a validity period of two years when stored under recommended conditions.
Indigo is soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid, but it is insoluble in water, alcohol, and ether.
