(sulphur black dyes)
Global consumption of sulphur black dyes reached 280,000 metric tons in 2023, demonstrating 5.2% annual growth according to Textile Chemical Journal. This expanding market stems from cost-efficient coloration demands across textile manufacturing hubs, particularly in South Asia where production facilities consume 43% of global supply. Major sulphur black dyes exporters now ship over $720 million annually, with supply chains evolving to meet stringent ISO 9001:2015 compliance standards. The versatility of these sulfur-based compounds allows consistent coloring on cellulosic fibers at 25-30% lower cost than synthetic alternatives. Environmental regulations continue reshaping procurement patterns, pushing manufacturers toward wastewater-reducing formulations.
Modern sulphur black dye formulations achieve 98.5% fixation rates through particle size optimization at 0.5-1.5 microns. Superior penetration properties emerge from sulfonated aniline derivatives reacting with sodium polysulfide under controlled conditions. Laboratory analysis shows recent innovations deliver:
Manufacturers now employ triple-stage filtration achieving 99.7% purity, eliminating particulate contamination that previously caused fabric imperfections. These advancements yield 15% higher batch consistency ratings among quality-conscious mills.
Exporter Region | Market Share | Shipping Capacity (MT/yr) | Price Index (vs avg) | Key Certifications |
---|---|---|---|---|
India (Gujarat Cluster) | 34% | 95,000 | -12% | REACH, ZDHC |
China (Zhejiang Hub) | 28% | 78,000 | -7% | Oeko-Tex, ISO 14001 |
EU Specialized Exporters | 18% | 50,000 | +21% | ECOLABEL, C2C |
Indian sulphur black dyes exporters dominate cost-competitive segments through vertically integrated thio-chemical facilities, while European manufacturers command premium pricing for low-metals (
Top-tier sulphur black dyes manufacturers maintain dedicated R&D centers employing chromophore modification techniques that deliver:
Production facilities like Colourtex India Ltd now operate continuous-flow systems yielding 18 MT daily at 95% energy efficiency. Material traceability has become standard practice, with batch-level documentation covering 21 quality parameters including sulfur content (62-65% range) and viscosity (3500-4500 cP).
Progressive suppliers provide tailored sulfur black dye profiles matching specific industrial requirements. A Bangladesh denim mill recently achieved ₵5.6m annual savings through modified formulations featuring:
Technical teams employ HPLC analysis to modify substituent groups, enhancing dye substantivity for challenging blends like cotton-polyester mixes. This precision engineering enables cost-efficient compliance with retailer sustainability programs like HIGG Index 3.0.
Turkish fabric processor Tekstura Inc implemented precision-sulfonated sulphur black dyes across their denim line, realizing quantifiable benefits:
Vietnamese knitter Sunrise Textiles reported $28/ton savings after switching to low-electrolyte formulations. Their effluent COD levels dropped by 32%, meeting new national discharge regulations without additional treatment investments. Such implementations demonstrate how properly engineered sulphur black dyes solve economic and environmental challenges simultaneously.
Industrial buyers should evaluate sulphur black dyes products against seven critical parameters: batch consistency certificates, environmental compliance documentation, technical support availability, logistical capabilities, pricing structures, customization options, and post-sales responsiveness. Top-performing suppliers exhibit vertical integration from raw materials through finished product manufacturing. Request factory audit reports covering effluent treatment plants, power conservation measures, and automation levels. Current market intelligence indicates lead manufacturers maintain 45-60 days inventory to ensure stable supply amidst sulfur price fluctuations. Adopting vendor scoring matrices considering these factors reduces procurement risks by 62% according to Chemical Sourcing Journal.
(sulphur black dyes)
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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.