|
HS Code |
613462 |
| Chemical Name | Disperse Blue 79 |
| C I Number | C.I. 11325 |
| Molecular Formula | C17H12N2O2 |
| Molecular Weight | 276.29 g/mol |
| Appearance | Blue powder |
| Solubility | Insoluble in water, soluble in organic solvents |
| Melting Point | Approx. 184°C |
| Usage | Textile dyeing (mainly polyester fibers) |
| Cas Number | 12239-34-8 |
| Light Fastness | Good |
| Application Method | High-temperature dyeing |
| Maximum Absorption Wavelength | Approx. 600 nm |
As an accredited Disperse Blue 79 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Disperse Blue 79 is packaged in a 25 kg fiber drum with an inner plastic bag, labeled with product details and safety information. |
| Shipping | Disperse Blue 79 is shipped as a dye powder or granule, typically packed in fiber drums or PE-lined bags to prevent moisture exposure. It should be stored in a cool, dry, well-ventilated area and handled carefully to avoid dust formation. Proper labeling and compliance with local transport regulations are essential. |
| Storage | Disperse Blue 79 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the container tightly closed and properly labeled. Avoid contact with strong oxidizing agents and acids. Use non-sparking tools and grounded equipment. Ensure proper precautions to prevent spills and environmental contamination. Store away from food and incompatible materials. |
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Purity 98%: Disperse Blue 79 with a purity of 98% is used in polyester fiber dyeing, where it ensures uniform color depth and high reproducibility. Particle Size 0.5 μm: Disperse Blue 79 with a particle size of 0.5 μm is used in high-speed textile printing, where it provides excellent dispersion and smooth print edges. Melting Point 200°C: Disperse Blue 79 with a melting point of 200°C is used in hot-melt dyeing applications, where it offers fast sublimation and minimal residue. Stability Temperature 140°C: Disperse Blue 79 with a stability temperature of 140°C is used in thermosol dyeing processes, where it maintains color integrity under heat. Light Fastness Grade 5: Disperse Blue 79 with light fastness grade 5 is used in automotive upholstery fabrics, where it delivers long-term resistance to fading under sunlight exposure. Viscosity Grade Low: Disperse Blue 79 of low viscosity grade is used in inkjet printing inks, where it supports optimum flow and prevents nozzle blockage. Moisture Content <0.5%: Disperse Blue 79 with moisture content below 0.5% is used in dry dye formulations, where it increases powder stability and handling safety. Solubility in Water <0.01%: Disperse Blue 79 with water solubility below 0.01% is used in synthetic fabric dyeing, where it minimizes dye bleed and migration during laundry. Alkali Resistance pH 11: Disperse Blue 79 with alkali resistance up to pH 11 is used in textile processing under alkaline conditions, where it maintains chromatic stability and prevents color loss. Color Strength 100%: Disperse Blue 79 with a color strength of 100% is used in mass coloration of polyester yarns, where it provides vibrant shades and high coverage efficiency. |
Competitive Disperse Blue 79 prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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Every day in our plant, raw materials arrive, batch numbers checked and logged, drums opened, and the familiar blue dust of Disperse Blue 79 signals another production cycle. As chemical manufacturers, we have watched new dyestuffs come and go, but Disperse Blue 79 keeps holding its ground in the textile dyeing industry for very practical reasons. This product isn’t a trend—its strength comes from delivering results consistently under varying conditions, batch after batch.
Our work with Disperse Blue 79 goes beyond filling orders. Customers depend on our direct attention to process variables, from starting synthesis to final granule. Production teams know every step counts: each filtration, drying cycle, homogenization session. Tinker too little, inconsistency creeps in. Tinker too much, the pigment shifts, and dye lots show uneven coloring. In a sector with compressed margins and tight schedules, small manufacturing choices matter.
In the lab, we evaluate every batch using real-world criteria: dispersibility in common dye baths, resistance to agglomeration during shipping, storage stability over months. The chemical index number for Disperse Blue 79 remains constant, but the experience with its physical characteristics is what really drives application quality. We monitor for particle size—never just an average, but through rigorous particle size distribution studies, because dye pickup in polyester fibers depends on getting this right. We supply our main commercial grade as microgranular, non-dusting at the scale of production, easy for automation lines to handle.
Other producers sometimes chase the finest powder or the deepest shade, but from our view, an emphasis on batch homogeneity and water dispersibility yields fewer headaches in downstream textile processing. By maintaining dryness in granules and factoring in anti-caking additives, our grade of Disperse Blue 79 survives monsoon humidity cycles in warehouse storage, reducing caking and clumping worries for our partners. These adjustments may seem like minutiae, but they’re where unforeseen production costs and customer complaints often hide.
Typical use for Disperse Blue 79 revolves around polyester fiber and blend dyeing. As a manufacturer, we hear from managers of dye houses pushing capacity and targeting nearly zero reject rates. Most switch to Disperse Blue 79 because it keeps to shade and is tolerant to small pH drifts or dosing lag—factors that pop up daily in mill-scale dyeing even for the best operators.
Batchwork on continuous dye ranges exposes weak links in dye stability. Over the years, we’ve tuned our manufacturing so pigment particles resist floating, which keeps dye metering accurate and lines free from unexpected streaks. Some competitors’ dyes break down or settle inside tanks, leading to inconsistent shades and reprocessing. That’s more labor, more water, and more time. Using our grade, dyers talk about speedier wash-off and easier color correction, which reduces off-shade output and handles inter-batch variability directly.
It’s easy to overlook a “workhorse” like Disperse Blue 79 when market attention drifts to new functional dyes or specialty finishes. Inside the factory, we keep our eye on harsh economic realities: textile mills face relentless pressure on price, stricter environmental codes, and growing customer scrutiny for product safety. That’s pushed every producer to look for chemicals with robust records on REACH compliance, low toxicity, and long-term supply continuity.
We stay ahead by tracking impurities and side-reaction products. Engines for compliance—like high-performance liquid chromatography—run every week, not just for certification bodies but because tighter controls also mean fewer warranty headaches years later. In our teams’ experience, poorly controlled dispersions dump more chemical oxygen demand (COD) into the effluent stream. Mill operators running our cleaner grades report easier wastewater treatment and faster permitting for new lines, which offers a speed-to-market advantage.
Any switch to “green” chemistries meets challenges in consistency and endurance. Some alternatives for Disperse Blue 79 boast fancy credentials but come with tradeoffs in shade uniformity or bleeding during laundering. Our customers bring back faded samples from field trials, seeking something stable enough to take on tough industrial cycles. By focusing on long-haul performance, we allow mills to deliver consistent blues in everything from athletic wear to curtains, even after years of sun and wash.
Disperse Blue 79 is not the only option for blue shades. We’ve synthesized and tested plenty of others in our labs. From a manufacturer’s bench, Disperse Blue 56 and Disperse Blue 60 give vivid color but lag behind in lightfastness and migration on polyester/cotton blends. We notice these downsides sharply on mass-dyed fiber and in automotive textiles where sunlight destroys lesser dyes outright.
Some dyers ask if Disperse Blue 291, with its distinct molecular structure, can swap in for Disperse Blue 79 in economic formulations. Technically, yes—it can be matched by tweaking process temperature and dispersant chemistry. But risk abounds: unexplored combinations spark batch rejections, fuzzy shade reproducibility, unexpected material build-up inside machines. Our long-standing partners don’t treat dye selection as a speculative move; they stick with proven materials like Disperse Blue 79 to avoid unplanned machinery cleaning or inconsistent bulk shade matching.
Color depth and process safety come up often. High-energy disperse dyes, while giving striking shades, need more aggressive process controls and temperature—for example, above 130°C in pressurized machines. Poor heat control leads to “fume fading” and unwanted color changes, especially for complex blends. Disperse Blue 79 nails its target shade with moderate process energy, making it a safer choice for those aiming for cost control and stable operating envelopes.
Inside our plant, raw input reliability ties directly to output predictability. Our procurement focuses on verified key intermediates; fluctuation in precursor purity registers almost immediately in finished dye dispersion. Because of this, we keep our supply tightly monitored, use on-site blending tanks, and maintain clear tracings on every lot, from granule to drum. Shifts in suppliers or changes in international chemical regulations can stress continuity, so by maintaining buffer stocks and validated secondary sources, we keep unpredictable price swings and shortages out of customer operations.
Some industry peers outsource steps to achieve short-term cost savings. Based on our time in the industry, fragmented manufacturing produces inconsistent dispersibility and can result in process downtime downstream. Our tight control from start to finish brings reliability—dye users know exactly how many kilos per ton to add and how the color matches out every time. When a textile processor specifies “Disperse Blue 79, source: original manufacturer,” they signal a preference for proven supply and trackable manufacturing practices, both increasingly scrutinized by big brand audits and certification checks.
No manufacturer can ignore rising regulatory rules and evolving customer expectations. Safety officers and compliance managers routinely audit our processes for chemical handling, residue minimization, and waste stream consistency. We’re seeing growth in requests for product dossiers detailing everything from acute aquatic toxicity ratings to allergen risks in consumer fabrics.
In response, we maintain a battery of regularly updated safety data and full-spectrum analytical reports. This isn’t just paperwork—transparency up and down the supply chain assures global textile brands, certifiers, and end-users that our Disperse Blue 79 meets today’s and tomorrow’s rules. In recent years, more buyers request confirmation on compliance with OEKO-TEX and similar environmental standards, showing that sustainability and safety are no longer optional features or upcharges—they are basic requirements.
We also respond directly to feedback from textile finishers who are working to eliminate arylamines, reduce halogen elements, and meet increasingly strict substance limits. Our R&D teams continuously refine process parameters—not in search of theoretical purity, but to provide a dye that holds up to both regulatory checks and heavy-duty customer use in global markets.
Challenges inevitably arise during bulk dyeing runs: unexpected precipitation, off-shade reactivity, or filtration clogging. As direct manufacturers, we tackle these at root cause—starting from batch analytics, through process mapping, to field support.
We’ve learned that clear feedback and collaborative troubleshooting outpaces the isolated support often seen with traders or resellers. If a complaint arises, our teams dig into retained samples, cross-referencing certificate of analysis data, shipping logs, and real conditions in user plants. By handling every aspect in-house, we reduce wait times for fixes and give textile processors confidence in both immediate troubleshooting and future preventative action.
Large lot orders, covering hundreds of dye baths, amplify even small inconsistencies. That’s why direct knowledge of the product’s history matters: long-running customers rarely face the process variability seen in spot-market buys or white-labeled brands. Practices like storing controlled reserve samples from every batch, performing real-life reproducibility checks, and maintaining transparent communication undergird our reputation for reliability.
In our chemistry teams, understanding molecular structure translates into practical value when scaling from bench to thousands of kilograms per month. Fine-tuning the solvent system, pH, and crystallization temperature during Disperse Blue 79 synthesis won’t make much difference on paper but alters granule flow, ease of dispersion, and color build-up at larger scale.
Years of production experience remind us that even small deviations—minor solvent impurities, a lag in phase separation, incomplete washing—can change the surface energy of dispersed particles. These differences show up as foaming, lacing, or unexpected interactions with formulation assistants on the customer’s end. Instead of treating pigment as a commodity, we tailor production techniques that take these subtleties into account. Those running bulk lines understand well the costs saved when they avoid filtration downtime or the need for corrective overdyeing.
For those seeking shade adjustment, we share application data and formulation strategies, including how to combine Disperse Blue 79 with specific dispersants, defoaming agents, and resist salts for best results with local water qualities. Our technical support doesn’t stop at sales—it’s baked into how we partner with dye users working at scale.
Markets shift fast. Textile houses want steady shades, lower energy bills, and products that meet compliance audits year after year. High rework rates, low reproducibility, and effluent management headaches chew through tight budgets. As the original manufacturer, we make Disperse Blue 79 with all of this in mind.
Over the years, we’ve refined both product and process so that users get maximum dye yield from each kilo added, without surprises during application. Bit by bit, these tweaks let mills optimize their cost per ton without chasing speculative chemistry or complex workaround blends. When our clients ask for advice on process adjustment or shared supply risk, we offer what’s worked on our own manufacturing lines first—practical strategies proven by daily operations, not just by lab tests.
Every month brings new questions about resource efficiency, cleaner production, and global supply risk. We see pushback on dyes that sacrifice performance for “green” claims without field testing; failures show up rapidly on thousands of garments and finished goods. In this environment, Disperse Blue 79’s stability and reliability allow partners to plan confidently, meet rising regulatory standards, and stay competitive without betting on unproven formulations.
We consistently consult with textile finishing companies seeking to combine colorfastness, low run-off, and reduced reprocessing. By supporting routine analysis of effluent streams and optimizing for rapid cleaning with minimal chemicals, our process team works side by side with clients to build solutions that work at volume. By removing persistent residues, minimizing waste output, and ensuring reproducible color, Disperse Blue 79 becomes not just a dye, but a solution integrated into evolving environmental practices.
As original manufacturers, we stand with partners tackling everyday production challenges—balancing the demand for vibrant, durable color with the pressures of new sustainability rules and competitive markets. Disperse Blue 79 remains in our lineup because it meets these needs, not just today, but for every production cycle and challenge down the line.