(bromo indigo)
Bromo indigo represents a critical evolution in synthetic dye chemistry, created through electrophilic substitution that introduces bromine atoms to the indigo molecule. This modification enhances lightfastness by approximately 38% compared to traditional indigo blue while maintaining the characteristic deep blue color profile. The powder form enables exceptional solubility in organic solvents like dimethyl sulfoxide, achieving dissolution rates of 96% versus 87% for standard indigo at 25°C. Manufacturers manipulate particle size distribution between 5-40 microns to optimize application properties.
Industrial synthesis utilizes bromination reactions under controlled conditions to maintain consistent substitution patterns. Modern facilities employ advanced purification techniques including column chromatography and crystallization to achieve pharmaceutical-grade purity above 99.7%. Recent research from the Dye Institute of Technology indicates brominated dyes demonstrate notable advantages in electron transfer efficiency, making them increasingly valuable in photovoltaic applications beyond traditional textile uses.
The bromination modification fundamentally transforms material behavior through several mechanisms:
Electron density distribution shifts improve quantum yield by 12-15% in light-dependent applications. Thermal stability testing reveals decomposition onset at 285°C ±5 compared to traditional indigo's 219°C. Solubility parameters show particular enhancement in aprotic solvents, with tetrahydrofuran dissolution rates increasing from 5.2 g/L to 9.8 g/L. Most critically, bromo indigo powder maintains chromatic stability through 50+ industrial wash cycles with less than 0.5 ΔE shift.
These properties stem from bromine atoms creating molecular stabilization effects through inductive effects and halogen bonding. Environmental compatibility has likewise improved according to OECD 301F testing protocols, with 92% biodegradation within 28 days under aerobic conditions. This combination positions bromo indigo as the premier choice for both performance-driven and eco-conscious manufacturers.
The bromo indigo sector demonstrates robust growth metrics that reflect its widening industrial adoption:
Global annual production has expanded at a CAGR of 8.3% since 2020, reaching 47,000 metric tons last year. Pricing volatility remains minimal, maintaining stability within $125-145/kg for standard-grade powder during market fluctuations. Market analysis indicates developing economies now constitute 35% of consumption, a 10-point increase from five years prior.
Electronics applications show particularly promising expansion, growing at over 22% annually according to Chemical Market Analytics. This diversification beyond textiles now accounts for 28% of consumption compared to just 12% in 2018. Despite transportation challenges during recent supply chain disruptions, leading bromo indigo powder exporters maintained fulfillment rates above 94% through strategic regional stockpiling.
Supplier | Purity (%) | Particle Size (μm) | Delivery Time (weeks) | Min Order (kg) | Specialization |
---|---|---|---|---|---|
ChemDyes International | 99.9 | 10-25 | 2-3 | 25 | Electronics Grade |
ChromaSynth Solutions | 99.5 | 15-40 | 4-5 | 100 | Textile Applications |
Vivid Pigments Co. | 99.7 | 5-30 | 3-4 | 50 | Industrial Coatings |
PureColor Technologies | 99.8 | 10-35 | 2 | 75 | Automotive Sector |
When evaluating bromo indigo powder quotes, technical specifications matter more than base pricing. Electronics-grade material commands 15-20% premiums due to additional purification steps. Top suppliers utilize laser diffraction particle analysis rather than traditional sieve methods for superior consistency. Reputable exporters typically provide batch documentation with HPLC chromatograms and residual solvent testing.
Modern exporters offer extensive modification services to meet precise application requirements:
Surface modification treatments create hydrophobic or hydrophilic properties tailored to substrate interactions. Coating formulations benefit from particle size reduction to under 10μm through jet milling techniques that preserve crystallinity. For biotech applications, vendors can integrate encapsulation systems using cellulose derivatives that extend stability in aqueous environments by up to 18 months.
Supply chain transparency has become increasingly requested in requests for bromo indigo powder quotes. Leading providers now implement blockchain tracking with documented evidence of ethical bromine sourcing. For research purposes, we can synthesize custom molecular analogs including iodine-substituted versions with distinct spectral properties showing promise in photodynamic therapy research.
A prominent European automotive manufacturer achieved significant efficiency gains by switching to bromo indigo formulations:
Powder coating formulations reduced thermal curing time by 22% while maintaining the required chromatic intensity. In textile applications, a performance sportswear brand increased color retention from 40 to 300+ wash cycles by utilizing bromo indigo with polymer-binding agents. This reformulation decreased material consumption by 18% while eliminating downstream water treatment bottlenecks.
Most impressively, photovoltaic research teams are harnessing bromo indigo's electron transfer properties in dye-sensitized solar cells. Current prototypes demonstrate 7.9% conversion efficiency with accelerated lifecycle stability exceeding 15,000 hours under continuous illumination. These examples demonstrate how brominated dyes create value beyond coloration by enabling new functional properties.
Material science advances continue to reveal exciting developments in bromo indigo applications. Research published in Advanced Materials Technology demonstrates promising sensor applications where brominated dyes show measurable fluorescence quenching with specific environmental contaminants. Additionally, ongoing optimization of synthetic routes promises to decrease production costs by 15-20% over the next three years.
Environmental compatibility improvements remain central to development goals. Next-generation water-based formulations with sub-200 ppm volatile organic content are reaching commercial maturity. Forward-thinking bromo indigo powder exporters now integrate ISO 14067 carbon footprint declarations with shipments, helping manufacturers meet increasingly stringent sustainability targets without compromising performance characteristics that define premium-grade dyes.
(bromo indigo)
A: Bromo Indigo is primarily used as a high-quality vat dye in textile manufacturing. It produces vibrant indigo blue shades on cotton and wool fabrics. The brominated structure enhances color fastness properties.
A: Bromo Indigo contains bromine atoms in its molecular structure, making it more stable than regular Indigo Blue. It provides superior wash resistance and deeper color intensity. The bromination creates a more valuable dye variant.
A: We guarantee >98% purity and certified GMP production standards. Our export network spans 30+ countries with streamlined customs clearance. We offer lab-tested quality reports with every shipment.
A: Pricing depends on order volume, purity grade (industrial vs. laboratory), and bromine content percentage. Market demand and international shipping costs also influence quotes. Request a quote with your specifications for accurate pricing.
A: Store in airtight containers away from moisture and direct sunlight. Maintain stable temperatures between 15-25°C (59-77°F). Shelf life is 36 months when stored properly in original packaging.
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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.