Premium Indigo Blue Vat Dye is a high-performance, dark blue crystalline powder engineered specifically for the textile industry. With a precise chemical formula of C16H10N2O2 and a purity level exceeding 94%, this dye is the industry standard for producing deep, consistent hues. Its unique chemical properties allow it to sublime at 390–392 °C, ensuring stability and high quality during the professional dyeing process.
Primarily utilized for cotton yarn and the production of high-end denim fabrics, our Indigo Blue is essential for achieving the classic look of blue jeans. Because of its specialized solubility and bonding characteristics, it enables the application of advanced finishing techniques such as stone washing and acid washing, providing manufacturers with the versatility needed to meet modern fashion trends for denim, wool, and silk.
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, Conc. H2SO4 | Insolubility | Water, Alcohol, Ether |
| Validity Period | Two Years | Primary Application | Cotton Yarn / Denim |
Key Advantages
High Purity Standard
With purity ≥94%, it ensures vibrant color consistency and reduces waste in the dyeing cycle.
Superior Stability
Strict control of water content (≤1%) prevents clumping and ensures long-term shelf stability.
Denim Optimization
Perfectly engineered for denim cloth, facilitating high-quality stone and acid washing effects.
Versatile Application
While optimized for cotton, it is also highly effective for dyeing wool and silk fibers.
Low Impurity Level
Iron ion content is kept ≤200ppm to prevent unwanted color shifts or fabric degradation.
Efficient Dosage
High concentration allows for precise usage, typically 3g to 12g per pair of jeans.
Product Gallery
Management Platforms
Flexible Packaging
Available in 20kg cartons, 25kg bags, or 500-550kg jumbo bags to suit your scale.
Logistics Optimization
Optimized loading for 20'GP and 40'HQ containers with or without pallets for cost-efficiency.
Climate Control Storage
Stored in ventilated warehouses below 25°C and 75% humidity to ensure potency.
Safety Transportation
Strict separation from oxidants and edible chemicals to ensure safe transit.
Moisture Protection
Completely sealed packaging to prevent oxidation and deterioration during rainy seasons.
Chemical Isolation
Isolated from acids, alkalis, and strong reducing agents to prevent combustion.
Investment Return Comparison
| Feature | Standard Indigo | Our Premium Indigo | Industry Benefit |
|---|---|---|---|
| Purity Level | <90% | ≥94% | Lower waste, deeper color |
| Iron Content | Variable | ≤200ppm | No metallic contamination |
| Moisture Control | Standard | ≤1% | Extended shelf life |
| Wash Effect | Basic | Optimized for Stone/Acid | Higher fashion value |
| Dye Efficiency | Medium | High (3-12g/pair) | Reduced raw material cost |
Frequently Asked Questions
It is primarily used as a dye for cotton yarn, specifically for the production of denim cloth used in blue jeans, as well as for dyeing wool and silk.
Its unique solubility and bonding properties on denim fabrics allow for localized removal of color, creating the distressed effects required for stone and acid washing.
It must be stored in a cool, dry, and ventilated warehouse at temperatures below 25°C and humidity below 75%, away from sunlight, acids, and strong oxidants.
No, it is insoluble in water, alcohol, and ether. However, it is soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid.
We offer 20kg cartons, 25kg bags, and 500-550kg bags, with optimized container loading options for both 20'GP and 40'HQ shipments.
The product has a validity period of two years when stored under the recommended environmental conditions.







