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HS Code |
952964 |
| Cas Number | 589-02-6 |
| Molecular Formula | C16H10N2Na2O7S2 |
| Molecular Weight | 472.36 g/mol |
| Iupac Name | disodium 4-[(2,4-dinitrophenyl)azo]naphthalene-1-sulfonate |
| Physical Form | Powder |
| Color | Orange |
| Solubility | Soluble in water |
| Chemical Class | Azo dye |
| Maximum Absorption Wavelength | 482 nm |
| Synonyms | C.I. Acid Orange 89, Orange IV, D&C Orange No. 4 |
| Ec Number | 209-627-4 |
As an accredited Acid Orange 89 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Orange 89 is packaged in a 500g sealed, HDPE bottle with hazard labeling, product name, batch number, and manufacturer details. |
| Shipping | **Acid Orange 89** should be shipped in tightly sealed containers, clearly labeled with hazard information. Protect from moisture and direct sunlight. Handle in accordance with local regulations for chemicals. Transport by road, rail, or sea as non-flammable solid. Wear suitable protective equipment when handling and during loading/unloading operations. |
| Storage | Store Acid Orange 89 in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as oxidizing agents. Protect from direct sunlight, moisture, and sources of ignition. Ensure storage area is equipped with appropriate spill containment. Label containers clearly and follow all relevant safety and regulatory guidelines for chemical storage and handling. |
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Purity 98%: Acid Orange 89 with 98% purity is used in textile dyeing, where it ensures vibrant and uniform coloration on cotton fabrics. Particle size 10 microns: Acid Orange 89 with 10 micron particle size is used in inkjet ink formulations, where it provides smooth dispersion and consistent print quality. Lightfastness Grade 4: Acid Orange 89 with lightfastness grade 4 is used in wool dyeing, where it offers enhanced resistance to color fading under light exposure. Aqueous solubility 100 g/L: Acid Orange 89 with 100 g/L aqueous solubility is used in water-based marker inks, where it delivers high tinting strength and clear color development. pH stability range 2-6: Acid Orange 89 with a pH stability range of 2-6 is used in acid-etched leather finishing, where it maintains color intensity and process reliability. Heat stability 150°C: Acid Orange 89 with heat stability up to 150°C is used in high-temperature paper staining, where it minimizes thermal discoloration and enhances process efficiency. Molecular weight 350.33 g/mol: Acid Orange 89 with a molecular weight of 350.33 g/mol is used in laboratory staining protocols, where it provides precise and reproducible analytical results. Melting point 192°C: Acid Orange 89 with a melting point of 192°C is used in pigment preparation for plastics, where it allows stable blending and consistent color output. Sulfonation degree 1.8: Acid Orange 89 with a sulfonation degree of 1.8 is used in the dyeing of nylon fibers, where it promotes improved dye uptake and wash fastness. Viscosity grade low: Acid Orange 89 with low viscosity grade is used in liquid dye concentrates, where it ensures ease of handling and rapid dispersion in aqueous systems. |
Competitive Acid Orange 89 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
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Tel: +8615365186327
Email: admin@ascent-chem.com
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Every batch of Acid Orange 89 reflects a blend of raw material expertise, consistent process control, and a commitment to addressing real industry challenges. Over years in the colorants sector, our team learned that each dye isn’t just a chemical formula—it's a vehicle for reliable end-use performance, versatility, and peace of mind for textile engineers and industrial users.
Acid Orange 89 has gained trust among dyehouses and manufacturers that handle wool, silk, nylon, leather, and even select paper treatments. Much of this confidence comes from stability not only in the finished tone but also in its handling through the dye bath. We produce the powder form to assure a dense, rich shade—bright orange-red hues which users look for when subtler orange shades fail to stand out or get lost in blends. Whether working with fabrics or specialty industrial materials, there’s a demand for clear, vibrant color and easy reproducibility. Our craftsmen ensure that solvents and intermediates remain tightly controlled at every step, so no off-odor or unexpected impurities ever leave the plant.
Not all acid orange dyes behave the same way in practice. Many clients notice the differences once they switch to our Acid Orange 89. In conventional processes, cheaper analogues often crumble under strong acids or resist even dispersion, leaving patchy results. Some manufacturers cut costs but risk plenty: inconsistent solubility and labile dye strength end up wasting more time during fabric washing and color correction. Our production protocol avoids these pitfalls. We monitor pH and particle size throughout mixing and drying so the powder remains free-flowing. This reduces caking during storage, especially in humid climates, and helps prevent nozzle clogging in jet-dye equipment.
Considering dye stability, especially with repeated washing and exposure to light, users find that Acid Orange 89 stands up better than many alternatives. This dye keeps its color vibrancy after several laundering cycles, which appeals to brands and exporters wary of customer complaints over fading. We owe much of this stability to the specific sulfonic acid group arrangement in the molecule. This configuration forms tight bonds with amide groups in wool or polyamide fibers, driving lasting uptake and reducing dye bleed—trials in our in-house lab confirm these observations with accelerated wash tests and controlled sunlight exposure.
Our dye team does not focus simply on a list of numbers for particle size or concentration but on how each batch behaves in real facilities. The powder grade of Acid Orange 89 dissolves quickly, and field techs often report that they rarely see undissolved residue left behind in the dye mixers or pipes. With a dye strength designed for consistent shades, textile apprentices find it straightforward to match color standards, reducing the learning curve needed for proper dosing. This helps minimize the risk of re-dyeing lots, which eats into both time and profits.
Manufacturers also choose Acid Orange 89 for its balance between hue intensity and low migration. Some acid dyes, especially at high concentrations, spread beyond their intended boundaries on the fabric, resulting in blurred edges. That problem costs a fortune for producers of patterned materials, decorative yarns, or leather goods requiring crisp, fixed coloration. Acid Orange 89 resolves many of these headaches by anchoring tightly onto fiber surface sites, minimizing runoff and reducing the need for heavy after-treatment. This allows for shorter processing cycles and lower water and energy consumption—a growing concern as ecological demands on the sector increase.
For wool and nylon garments facing repeated dry-cleaning, Acid Orange 89 shows remarkable retention compared to other orange-shade dyes that break down or transfer onto adjacent fibers. Quality inspectors test for these issues regularly, so brands that ship to international retailers depend on our dye’s ability to pass stringent quality checks without last-minute panic, late-night corrections, or shipments at risk.
Among the acid orange family, Acid Orange 89 distinguishes itself mainly through purity, repeatability, and adaptability. Dyes with a similar color profile such as Acid Orange 7 or Acid Orange 10 frequently turn up in the market, but most of our operational partners notice differences with actual colorfastness and tone. Accommodating demanding patterns or solid shades on wool carpets or silk scarves, they rely on a precise match. We manage incoming raw material quality so the spectral signature of every lot lines up with historical data—no guessing, no wasted work on re-tests.
Certain products in the acid dye orange segment might promise lower upfront cost, but poor fixation, shade drift, or sediment formation during dyeing create backlogs and inflate downstream costs. We see this issue regularly in plants switching from generic supplies to our manufacturing process; maintenance teams see cleaner machinery and fewer shutdowns for pipe cleaning or pump repairs. Acid Orange 89’s batch-to-batch stability also lets us support customers moving to automated color mixing systems, where sensor-driven checks require tight reproducibility and minimal variation.
On paper and printing applications, Acid Orange 89 brings distinct benefits. Treated papers used in specialty packaging, tissue, or filter grades require dyes that resist both bleed and fading, as these factors impact print clarity and overall product appearance. Cost savings aren’t just measured in raw purchase price—trouble-free printing lines deliver real value when compared against batches lost to misprints or unplanned downtime from clogged screens.
Animal-based fiber dyehouses often ask about eco-profile and effluent handling. Our approach maintains high dye exhaustion and minimal residual color left in treated bath water, reducing the load on downstream filtration and wastewater management. While many older acid dyestuffs continue to cause regulatory headaches due to persistent organic residues, Acid Orange 89 clears most effluent assessments with ease and reduces the frequency of last-minute water treatment adjustments. Mill engineers report easier compliance and more straightforward documentation for environmental audits.
Most orders for Acid Orange 89 go toward wool and nylon dyeing, but user stories share a broader perspective. Producers of embroidery threads rely on the bright, vivid shade that stays consistent even across lots purchased months apart. Some clients dye silk for formalwear, relying on this specific orange tone to meet fashion palette trends set by international designers—fidelity in hue can make the difference between gaining a new account or losing repeat business.
A handful of industrial partners apply Acid Orange 89 in specialty coatings for leather shoes and accessories. They need a colorant that does not easily rub off with wear and stands up to sunlight, a challenge we solved by working directly with tannery engineers. Their feedback from test runs influenced minor tweaks in our spray-dryer settings, helping eliminate small variations in finish that can arise during different seasons.
The product also addresses niche needs in paper staining and ink formulation. Paper mills often complain about dyes that either soak through too quickly or fail to bind, causing streaks and uneven distribution. Acid Orange 89 performs reliably on medium and heavyweight stocks, providing an even saturation that improves legibility and edge definition for printed graphics or security features. Commercial printers report fewer interruptions because print heads remain clear, saving time and reducing the need for frequent cleaning cycles.
Another area that relies on our dye involves nonwoven textiles, such as technical felts and filtration membranes. Here, homogenous coloration proves critical: patches or mottling risk defective batch recalls. We support producers through technical visits, observing dyeing tanks and fine-tuning batch temperature and agitation methods. This collaboration reduces the risk of bad lots and associated scrap, building customer loyalty over the long term.
Over recent years, brands and end users pay closer attention to chemical safety profiles and certificate traceability. Our production line conducts robust batch testing both in-house and via third-party assessments for purity, absence of regulated amines, and compliance with REACH and export-specific requirements.
Certifying agencies often report lower risk factors from our Acid Orange 89 compared to analogues with historical contamination issues. Brands working under restricted substance lists value this assurance, especially for child and infant apparel fabrics. They no longer face panic audits or rejected shipments from high-profile foreign buyers. Years of steady partnership with regulatory inspectors allow us to spot compliance trends early. As rules tighten, our teams stay ahead through ongoing investment in analytics and dye chemistry training.
Traditional acid dyes often face scrutiny for unexpected trace contaminants or production residues. With Acid Orange 89, our rigorous filtering and purification methods leave residues well below industry and export thresholds. Independent laboratories regularly benchmark our product as among the cleanest available for both clarity of color and chemical footprint. Retailers, fashion houses, and industrial partners echo this feedback, citing reduced need for supplementary fabric testing before moving to sewing or assembly.
Large-scale dyehouses and cottage industry workshops alike demand consistent quality, on-time delivery, and hands-on support. Our role as manufacturer extends well beyond product delivery. Technical specialists regularly help customers refine dye bath recipes, solve unexpected color variation, or cut down on process waste.
In regions and countries facing strict environmental controls, we assist with waste management, alternative process suggestions, and periodic equipment checks. By working closely with users, we find ways to introduce Acid Orange 89 into existing lines without costly retooling. Dyehouse teams sit down with our chemists to review pH, temperature, and auxiliaries; small changes in application unlock major yield improvements or keep production in line with budget goals.
For many clients, long-term supply security means more than full warehouses. It’s about direct, honest feedback from the production floor, with our specialists returning insights to the processing plant for continuous improvement. Field visits, technical workshops, and regular audit preparation help build mutual trust—our reputation rests on users feeling confident every time they open a bag or test a batch in their own workflow.
Our manufacturing plant adopts industry best practices for worker safety, emissions management, and resource use. In the realm of acid dyes, including Acid Orange 89, oversight from local and international regulators drives upgrades and process improvements. We invest in closed-loop water management, solvent recovery, and minimized off-gassing to ensure reductions in both immediate occupational hazards and wider environmental footprint.
Cost pressures push many competitors to take shortcuts in reaction times, filtration, or drying stages. We reject those measures; years of close monitoring show that cutting corners leads to volatile dye characteristics, batches that won’t dissolve properly, and greater worker exposure to irritants. By sticking to measured synthesis and qualified personnel, we guarantee workers enjoy safer conditions, less chemical handling risk, and more manageable day-to-day routines.
Wastewater effluent from our plant undergoes treatment to remove color, decrease organic contaminants, and neutralize acids before release. Local water authorities track compliance data, and we keep open channels for audits or on-site inspections. Each year we expand solvent reclamation and recycling infrastructure, drawing down costs over time and helping customers meet their own corporate sustainability targets.
Changes in global regulations and consumer demand for safer, more sustainable dye options create pressure on manufacturers to adapt. Our R&D group keeps Acid Orange 89 formulations forward-compatible with both current and anticipated standards. These efforts build resilience for wool scouring houses, printers, and textile finishers looking to safeguard exports and reassure end consumers about both product safety and environmental responsibility.
Technical difficulties arise frequently in dyeing and finishing operations. Problems might show up as unexpected precipitation, slow fixation, or off-shade production that requires costly adjustments. Our technical team interacts directly with on-site engineers and operators, analyzing root causes and sharing expertise built from past case studies.
For example, if a mill reports pH drift in the dye bath, we review auxiliary chemicals, process temperatures, and even tank materials for possible interactions that could destabilize Acid Orange 89. Hands-on support, both remote and in-person, gives users the confidence to experiment with process improvements that raise throughput or enhance reproducibility for demanding clients.
Our laboratory resources also step in to test client samples or troubleshoot persistent shade disparity between lots dyed months apart. By running simulated dyeing cycles with supplied yarns and fabrics, we produce actionable guidance on temperature ramps, liquor ratios, and rinsing procedures that unlock better color results. Most findings translate into process tweaks rather than large-scale investment, supporting small- and medium-sized manufacturers who need quick, affordable solutions to stay competitive.
Acid Orange 89’s purpose stretches beyond routine factory production. By focusing on stable, intense color, high fiber fixation, and production safety, we provide users with security—regardless of whether their end uses include colorful home textiles, technical yarns, or niche market leather goods.
Batch consistency, compliance with global safety norms, and technical engagement allow our partners to set realistic delivery dates, hold up their reputations, and secure future business. Machinery runs longer between cleanings; fabric passes more quality inspections with fewer blemishes. That’s a return few technical products provide, and it’s the result of genuine engagement from the manufacturing side—not just a shipment of powder from a distant warehouse.
Market needs rarely stand still. Designers and processors ask for brighter shades, improved compatibility, and faster processing all while keeping up with stricter audit demands and ongoing price fluctuations in raw materials. We keep in close touch with end users, retooling production protocols, and tweaking our process for Acid Orange 89 based on what our partners encounter each season.
Moving forward, demand for dependable acid dyes with robust environmental and technical performance continues to grow. Acid Orange 89 remains a benchmark—not because it represents a cheapest or flashiest option, but because its ongoing performance meets and adapts to shifting market demands. Our team looks forward to working with industry partners to advance sustainable, high-performance dyes that help companies stand out with lasting, genuine value.