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HS Code |
397115 |
| CAS Number | 4474-24-2 |
| EC Number | 224-730-6 |
| Molecular Formula | C37H34N2Na2O9S3 |
| Molecular Weight | 804.86 g/mol |
| Appearance | Blue powder |
| Solubility in Water | Soluble |
| Dye Class | Acid dye |
| Color Index Number | 61585 |
| Common Uses | Textile dyeing, wool, silk, nylon |
| Light Fastness | Moderate |
| Chemical Name | Disodium 8-amino-5-(ethyl(phenyl)amino)-2-((2-hydroxy-5-methylphenyl)azo)naphthalene-1,3-disulfonate |
| pH Range | 4-6 (for dyeing) |
| Odor | Odorless |
As an accredited Acid Blue 80 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Blue 80 is packaged in a 25 kg fiber drum with a sealed inner plastic bag, labeled with product and hazard information. |
| Shipping | Acid Blue 80 is shipped in tightly sealed containers, such as fiber drums or high-density polyethylene barrels, to prevent moisture ingress and contamination. During transport, it must be stored in a cool, dry, and well-ventilated area, away from incompatible substances. Standard labeling and documentation in compliance with applicable regulations are required. |
| Storage | Acid Blue 80 should be stored in a tightly sealed container in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizing agents. Keep it away from direct sunlight, moisture, and heat sources. Ensure the storage area has appropriate spill containment and is clearly labeled. Suitable personal protective equipment should be used when handling the chemical. |
Applications of Acid Blue 80 in Industrial ManufacturingAcid Blue 80 serves essential roles in multiple industrial sectors, driven by its high tinting strength, water solubility, and consistent batch-to-batch performance as produced by our facility. Years of scale-up experience and technical support enable us to align production quality with the formulation requirements and compliance targets of major global manufacturers. Below we highlight distinct application areas in which our material integrates directly into established downstream processes. 1. Wool and Polyamide Textile DyeingTextile producers select our Acid Blue 80 for high-yield coloration of wool, nylon, and related synthetics. Its application supports piece goods dyeing, yarn dyeing, and printing processes. The material’s solubility profile enables reliable distribution with minimal streaking, and stable pH response aids color reproducibility during after-treatment. Refining input levels in response to fabric weight, liquor ratio, and shade target achieves compliance with wash and light fastness standards required in export-oriented textile supply chains. Industry compliance standards
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2. Paper Industry – Tissue and Specialty Paper TintingProducers of tissue, napkin, and specialty papers deploy Acid Blue 80 as anionic direct colorant during the wet-end process. Its particle size distribution allows for even retention with minimal foaming. The chemistry supports high-speed production without impacting wet tensile strength or paper machine drainage. Meeting regulatory requirements for food-contact grades and printability, switchable dosing yields stable chromaticity across cellulose blends. Industry compliance standards
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3. Leather FinishingLeather finishing units require Acid Blue 80 as a water-based staining agent in both aniline and semi-aniline leather production. Its affinity for proteinaceous substrates ensures strong surface attachment with controlled penetration depth, aiding in uniformity and minimizing color migration. Our dye has consistent compatibility with modern resin binders and auxiliary chemicals, supporting batch traceability and compliance for automotive and footwear leather applications. Industry compliance standards
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4. Liquid and Powder Laundry DetergentsMarket leaders in household and institutional detergent manufacturing utilize Acid Blue 80 for color adjustment and visual cue formation. The dye’s temperature and pH stability enables incorporation during slurry preparation, maintaining blue coloration without precipitation through spray drying or liquid blending. Its formulation flexibility supports transparent and opaque system compatibility while adhering to eco-label certification requirements. Industry compliance standards
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5. Water-Based Ink and Fountain Pen Ink ManufacturingProducers of school, office, and technical writing inks select Acid Blue 80 for vibrant, transparent blue coloration. Its small particle size and rapid dissolution profile prevent sedimentation and clogging in fine-line writing systems. Buffered pH compatibility supports ink shelf-life extension. Our strict color consistency control enables ink blenders to reproduce strict shade specifications across high-volume and specialty batches. Industry compliance standards
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Competitive Acid Blue 80 prices that fit your budget—flexible terms and customized quotes for every order.
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Email: admin@sinochem-nanjing.com
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Decades in chemical synthesis have taught us that dyes are never just “products.” They shape how textiles look and last in the hands of makers and consumers. Acid Blue 80, in particular, draws on both complex chemistry and production know-how. In our plant, every batch involves more than measurement and mixing; attention to reaction conditions and raw material purity set the tone for both shade consistency and performance down the line. Many people assume dyes are interchangeable, but each molecule reacts differently. Acid Blue 80 shows deep affinity for protein fibers like wool and silk, producing intense blues with reliable clarity.
This dye, often recognized by our own labeling practices as Acid Blue 80, reflects specific molecular structure — typically C.I. 61585, an anthraquinone derivative. From our reactors, it emerges either as a fine powder or spray-dried granule, delivering stable coloring strength. Granular form controls dust during handling on the factory floor, which matters for operators' health and housekeeping. The powder version mixes rapidly for batch dyeing or continuous processes, handy where fast solubility can mean the difference between quality fabric and rework. Granulation, if applied, comes from years troubleshooting with both old and new textile lines.
We commit to color value and tone repeatability. Our on-site spectrometers help us deliver shades customers expect, batch after batch. Consistency earns trust with our repeat clients, many who export dyed fabric to brands demanding narrow shade tolerances. In-house application labs catch any drift from standard before drums get palletized and shipped, preventing costly surprises at the dye house.
Dye users often ask for “the blue” or “acid blue.” The variety covers a family: Acid Blue 9, 45, 74, 113, and so on. Our experience tells us most mills pick a product not by color index number alone but by how it behaves on specific fabrics and machines. Acid Blue 80 distinguishes itself by offering bright, neutral to slightly reddish hues. Brightness and fastness to light are why many in textile and leather sectors keep it as a core part of their formulation. Other acid blues skew too green, or lack depth at high concentrations. On woolens, for example, Acid Blue 80 gives deeper blue without muddying at full shade.
With nylon, a popular synthetic, dyers report clean build-up that resists back-staining and wash-off headaches. Companies dealing with both silk and wool benefit because Acid Blue 80 keeps tonality across product lines. Mills focused on home textiles lean on it for bed linens, curtains, and upholstery where exposure to sunlight and washing demand both colorfastness and vibrancy.
From the chemical manufacturer’s point of view, the process behind Acid Blue 80 is mapped out in careful steps. The anthraquinone core comes together only after specific substitutions and coupling steps. Over time, we’ve had to tweak glass-lined reactors, update pumping systems, and replace filtration elements to control trace contaminants. Impurities in the dye get magnified during high-volume dyeings, leading to uneven shades or speckling on fabric. Relying on careful purification and drying, including repeated crystallizations and micronizing, keeps the final dye dust-free and free-flowing, with minimal insolubles.
Quality assurance sits at the front of our production workflow. Every lot passes through our laboratory, where we check not just for shade and strength, but also pH, particle size, trace metal content, and wetting speed. Spectral curves must match the “golden sample” target. Off-spec batches never get out the door, no matter how tight shipping deadlines run. We don’t want our customers troubleshooting problems on their equipment because of what left our site. Continuous improvement ticks along as a daily habit — small changes keep us competitive, by shrinking energy use or by lowering effluent loads in wastewater.
Acid Blue 80 in real-world use tells us much about the importance of upstream manufacturing standards. Textile processors speak up about foam formation during dyeing, filtration clogging, or unexpected shade shifts, and often these headaches trace back to impurities or unstable batches. By maintaining robust in-plant purification routines, we lower the risk of these problems. We’ve even been invited by customers to observe dyeing runs at their factories, letting us see firsthand how subtle changes in our dye affect their workflows. Thanks to this feedback loop, we’ve optimized particle size ranges for better solubility and adapted the granule hardness so handling equipment runs cleaner and more efficiently.
Nylon carpet producers trust Acid Blue 80 not just for color depth but because it resists fading and spotting under years of abuse. In carpet manufacture, the dye anchors strongly at low pH conditions, minimizing stain migration during end-use. Wool processors use it in blends, where Acid Blue 80 won’t stray far from its original tone after repeated washes. Apparel houses often run batch-to-batch shade continuity checks, and with our dye’s consistency, re-dyeing or tone-adjustment becomes rare. Working with silk, a delicate substrate, we see how the molecule’s affinity leads to level dyeing and gentler hand feel, reducing the need for added softeners or leveling agents.
Years of serving fabric mills taught us that different acid blues answer different manufacturing and market needs. Acid Blue 9, for example, finds its niche in food and personal care due to its high solubility and bright, greenish tone. Acid Blue 113 tends more toward the green side, favoring applications where a turquoise shade is needed, but performs poorly on wool’s lightfastness scale compared to 80. In contrast, Acid Blue 80 offers stability at both high and low temperatures, which matters most to mills running variable equipment. Its build-up is more linear, allowing smoother shade gradations in continuous operations. On equipment where the water quality fluctuates—hardness, pH—our form of Acid Blue 80 stays steady, not shifting the tone during the run.
We see differences sharply when paint and paper clients request deeply saturated blues that resist bleed and migration. Here, Acid Blue 80’s performance allows for bolder pigmentations without the extra use of fixative chemistry. For tanners, deep penetration and migration control matter: Acid Blue 80 adheres effectively to both chrome- and vegetable-tanned leathers, making it a mainstay in shoe uppers and accessories. Cheaper acid blues sometimes tempt buyers for bulk applications, but frequent wash fading or off-odor problems bring them back to products manufactured with higher raw material standards. As a producer, we commit to transparent sourcing for both environmental and performance reasons — after all, the waste profile from a dye run starts with what enters the reactor, not what leaves the buyer’s finishing floor.
Years in chemical processing have brought home the responsibility every manufacturer has to curb pollution and manage waste. Acid Blue 80, like any dye, generates both solid and liquid effluent. We tackle this at the source, not just end-of-pipe. Our site runs batch capture and treatment systems, pulling color and organic load from wash liquors before discharge. We’ve shifted to closed-loop rinsing where possible and built solvent recovery into the workflow. These small changes reduce both visible dye in local waterways and the hidden chemical load in plant effluent. Under upcoming environmental rules, discharge limits have grown tighter. Automation helps, but experienced technicians keep vigilant, armed with both sensor readings and their own trained senses for leaks, odors, or unexpected color drift in water samples.
Our customers increasingly ask for low-salt, high-extraction formulations. We pilot new finishing chemistries that cut traditional salt loads, shrinking the wastewater burden and making compliance smoother for downstream users. The technology is evolving, so we invest in R&D partnerships with university labs and industry consortia, targeting both green chemistry and improvements in process yield. Where possible, we reformulate without heavy metals and minimize the use of hazardous auxiliaries. Our exported products must not just satisfy local rules; they must meet or exceed tougher regulations in Europe and North America, so every shipping decision is cross-checked for compliance. This open culture on quality and documentation cements relationships in fiercely competitive textile markets.
As factory producers, our job extends beyond synthesis and supply. Field visits, video conferences, and technical bulletins are regular parts of our calendar. Unlike dealers or traders, our in-house chemists and engineers respond directly to client challenges. Sometimes mills pilot new fibers or install upgraded machinery; our team helps recalibrate dye recipes for these changes. This builds loyalty and trust unequaled by hands-off suppliers.
Continuous production requires clear troubleshooting channels. If a client’s machine starts foaming, or unexpected sediment forms, plant staff get on the phone with our technicians—often with samples or process data sent by express. We train mill staff in optimal water management, auxiliaries dosing, and post-dye soaping, drawing on both lab and production realities. For years, we’ve helped customers fix problems linked to competitor’s low-cost imports: streaky dyeing, inconsistent hue, poor batch repeatability. Often the issues lie in differences in particle size control, trace impurities, or lack of pre-delivery batch testing.
Our own performance benchmarks don’t rest with sales numbers. The feedback we get from valued commercial partners—about process yield, re-dye rates, or long-term shade constancy—drives our investments. Over time, the dye market shifts as new synthetic routes or automation tracks emerge. We keep pace not just by revising the core chemistry, but also by training staff, auditing raw material suppliers, and monitoring new environmental and safety protocols. Our site management employs a generational workforce, with master technicians passing on practical knowledge to new operators, ensuring production standards evolve but don’t slip. This devotion to both technology and craft ensures Acid Blue 80 keeps its lead in the dyeing sector.
In the last decade, requests for more sustainable blue dyes have not tapered off. Textile supply chains seek not only color brilliance, but also guarantees on restricted substance lists and lower carbon footprints. Brands want proof—certificates, test reports, and transparent batch records. Our production adapts in stride, even if it means lower yield or higher input costs. Fulfilling these expectations means deeper traceability and documentation in every dispatch of Acid Blue 80. Whether a fashion label or automotive fabric buyer is sourcing, they look for long-term reliability alongside environmental and regulatory guarantees.
Diversification in the textile industry adds fresh demands. Technical textiles, like seat belts and airbag fabrics, measure dye performance by resistance to extreme washing, heat, and abrasion. Acid Blue 80, in tightly specified forms, meets these needs by bonding securely and proving resistant not just to wear, but to ultraviolet exposure and aggressive cleaners. Traditional batches intended for woolen goods don’t always translate, so our quality team maintains dual process lines — one for routine textile work, another for high-performance sectors. Apparel brands, small-batch artisan dyers, and bulk commercial users all need confidence they will receive the same results with every shipment.
Dye production never reaches a final, perfect form. Each day presents raw material variability, changes in energy pricing, and new compliance asks. To address water use, we continue piloting high-solid preparations to cut dilution needs in end-user dye baths. This step reduces total effluent per ton of finished goods. We work with equipment suppliers to engineer tighter process automation, giving us more controllable batch reactions and recordable logs for regulatory review. This approach tightens control over both quality and compliance, critical in a chemical sector where one off-spec batch can undermine a client’s finished goods export contract.
Raw material supply chains present another persistent risk. In past years, swings in intermediate pricing forced us to rethink sourcing networks and in some cases to develop in-house intermediate production, further tightening our control over purity. Investments in supply resilience pay off as customers expect rapid response — no stockouts, no surprises, no partial fills. Unlike distributors, we manage the risk and responsibility directly, pushing for both cost advantage and uninterrupted access. This also means that sustainability improvements—such as solvent recovery or advanced waste minimization—deliver benefits to our bottom line as well as to local communities, not just to branding statements or compliance filings.
Years spent in chemical manufacturing reinforce some basic truths: quality breeds trust; inconsistencies erode it. Our commitment to Acid Blue 80 means each drum carries with it the track record of our workers, our technology adoption, and the lessons drawn from both satisfied and dissatisfied clients. We know a single misstep can ripple through a supply chain—an off-tone batch can trigger rework, extra washing, rejected goods, and lost orders. That practical knowledge grounds every improvement, every investment in both equipment and staff, and every dialogue we open with downstream partners.
In serving markets from mass-market apparel to premium interior textiles, from technical fibers to leathers, our responsibility doesn’t end with product delivery. We remain involved through technical support, transparent documentation, continuous quality upgrades, and open feedback channels. For us, producing Acid Blue 80 means more than manufacturing a dye—it means building a durable relationship with every customer who stakes their reputation on what leaves our factory gates.