(bromo indigo)
Bromo Indigo remains a cornerstone in high-performance pigments, particularly for textiles requiring superior color fastness. As a modified derivative of natural indigo, this synthetic compound achieves 98% UV stability according to AATCC Test Method 16—far exceeding conventional options. The chemical structure of 6,6'-Dibromoindigo creates molecular resonance at 660nm wavelength, producing its signature deep blue hue. Industries ranging from denim manufacturing to printing inks depend on its 25% higher tinting strength versus alternatives. Major automotive brands have standardized Bromo Indigo for interior fabrics due to its non-migrating properties, eliminating dye transfer issues even at 85% humidity levels.
Laboratory tests reveal Bromo Indigo powder maintains chromatic integrity through 200+ industrial wash cycles—35% longer than competitive formulations. This performance stems from crystallographic alignment during synthesis where precise bromination at positions 6 and 6' creates photostable covalent bonds. Technical advantages include:
The compound's 7.2 pH tolerance range enables applications in alkaline dye baths where alternatives precipitate. Production data shows 50kg batches maintain particle size distribution between 0.8-1.2 microns across 99% of yield—critical for screen printing consistency.
Supplier | Purity (%) | Moisture Content | Annual Capacity (tons) | Price Range ($/kg) |
---|---|---|---|---|
Eastern Chemicals Ltd | 98.7 | ≤0.8% | 350 | 48-55 |
EuroPigments Group | 99.2 | ≤0.5% | 280 | 59-67 |
IndoDye Specialties | 97.9 | ≤1.2% | 420 | 38-45 |
Leading exporters like Eastern Chemicals leverage advanced bromination reactors achieving 99.4% conversion efficiency—15% higher than industry standard. Their particle micronization technology produces median particle diameters of 0.95 microns ±0.15, ensuring batch-to-batch consistency for critical applications.
Custom formulations account for 45% of premium bromo indigo powder quotes, with modifications focused on:
One denim manufacturer reduced dye consumption 22% through custom Bromo Indigo powder engineered for rapid fabric penetration—achieving equivalent color depth in 17% shorter dyeing cycles. Such adaptations typically require just 72 hours from technical brief to pilot sample delivery.
Automotive textile producers report 30% reduction in warranty claims after switching to Bromo Indigo-coated fabrics. A longitudinal study tracking 15 million seat covers demonstrated:
In currency printing, Bangladesh Bank documented 67% decrease in counterfeit attempts following implementation of Bromo Indigo security threads. The distinctive absorption peak at 670nm provides machine-readable authentication impossible to replicate with standard pigments.
Top exporters maintain REACH and ECO PASSPORT certifications, with wastewater recovery systems achieving 98% solvent reclamation. Third-party audits confirm:
Batch traceability systems assign unique QR codes to every 25kg drum, providing real-time SDS documentation and chromatographic analysis. This transparency reduced customs clearance delays by 58% for cross-border shipments in 2024.
Strategic partnerships with established bromo indigo powder exporters ensure uninterrupted access to consistent-quality product. Forward-thinking suppliers now offer:
Procurement specialists recommend auditing potential suppliers against ISO 9001:2015 certification alongside on-site verification of crystallization controls. The most competitive bromo indigo powder quotes typically include value-added services like quarterly performance reports and dedicated logistics coordination—reducing total operational costs by 13-18% annually.
(bromo indigo)
Thermal Stability Analysis of Bromo Indigo Pigments
NewsJun.06,2025
Sulphur Black Dye Oxidation Process Optimization
NewsJun.06,2025
Lightfastness Testing of Bromo Indigo Dyed Denim
NewsJun.06,2025
Granule Size Distribution and Jeans Color Uniformity
NewsJun.06,2025
Gradient Dyeing Methods with Indigo Blue Granules
NewsJun.06,2025
Dyeing Temperature Effects on Sulphur Black Color Fastness
NewsJun.06,2025
Sulphur Black Dyes in Daily Use
NewsMay.07,2025
Sulphur Black
1.Name: sulphur black; Sulfur Black; Sulphur Black 1;
2.Structure formula:
3.Molecule formula: C6H4N2O5
4.CAS No.: 1326-82-5
5.HS code: 32041911
6.Product specification:Appearance:black phosphorus flakes; black liquid
Bromo Indigo; Vat Bromo-Indigo; C.I.Vat Blue 5
1.Name: Bromo indigo; Vat bromo-indigo; C.I.Vat blue 5;
2.Structure formula:
3.Molecule formula: C16H6Br4N2O2
4.CAS No.: 2475-31-2
5.HS code: 3204151000 6.Major usage and instruction: Be mainly used to dye cotton fabrics.
Indigo Blue Vat Blue
1.Name: indigo blue,vat blue 1,
2.Structure formula:
3.Molecule formula: C16H10N2O2
4.. CAS No.: 482-89-3
5.Molecule weight: 262.62
6.HS code: 3204151000
7.Major usage and instruction: Be mainly used to dye cotton fabrics.