Acid Red 299

    • Product Name: Acid Red 299
    • Alias: C.I. 18736
    • Einecs: 933-814-8
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    978534

    Cas Number 169998-60-1
    Chemical Name Acid Red 299
    Molecular Formula C18H16N4Na2O7S2
    Molecular Weight 526.45 g/mol
    Appearance Red powder
    Solubility Soluble in water
    Einecs Number none assigned
    Dye Class Azo dye
    Application Textile dyeing
    Light Fastness Good
    Ph Range 4-7
    C I Number 18792
    Synonyms Ombre Acide Rouge 299, Acid Red E-L

    As an accredited Acid Red 299 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Red 299 is packaged in a 25 kg net weight fiber drum with inner polyethylene bag, labeled with hazard and product details.
    Shipping Acid Red 299 should be shipped in tightly sealed, clearly labeled containers, following all applicable regulations for handling dyes and chemicals. Protect from moisture, heat, and direct sunlight. Ensure proper documentation and safety data accompany the shipment. Use secondary containment and handle with care to prevent spills or exposure during transit.
    Storage Acid Red 299 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and bases. Protect the container from physical damage, moisture, and direct sunlight. Proper labeling and adherence to local regulations for chemical storage are essential to ensure safety and maintain product integrity.
    Application of Acid Red 299

    Purity 98%: Acid Red 299 with purity 98% is used in textile dyeing processes, where it delivers high color strength and uniform shade distribution. Molecular Weight 628.74 g/mol: Acid Red 299 with molecular weight 628.74 g/mol is used in silk printing, where it ensures consistent molecular dispersion and enhanced brilliance. Light Fastness Grade 4: Acid Red 299 with light fastness grade 4 is used in carpet manufacturing, where it provides prolonged resistance to fading under exposure to light. Water Solubility 50 g/L: Acid Red 299 with water solubility 50 g/L is used in paper dyeing, where it enables rapid dissolution and uniform coloration. Melting Point 220°C: Acid Red 299 with melting point 220°C is used in inkjet ink formulations, where it maintains stability during high-temperature printing processes. Particle Size <5 μm: Acid Red 299 with particle size less than 5 μm is used in nylon fiber coloration, where it achieves smooth surface coverage and vibrant hues. Stability Temperature 120°C: Acid Red 299 with stability temperature of 120°C is used in leather staining, where it offers reliable color retention during thermal treatment. pH Stability Range 2-7: Acid Red 299 with pH stability range 2-7 is used in aqueous paint systems, where it resists color degradation in acidic and neutral conditions. Viscosity 10 mPa·s (in solution): Acid Red 299 with viscosity 10 mPa·s in solution is used in water-based printing pastes, where it facilitates ease of application and homogenous spread. Dye Content 85%: Acid Red 299 with dye content 85% is used in food packaging inks, where it provides intense coloration and consistent product quality.

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    Certification & Compliance
    More Introduction

    Acid Red 299: Crafting Reliable Color from a Manufacturer’s Standpoint

    As a producer who has worked closely with Acid Red 299 from idea to shipment, I see first-hand how dependable coloring agents help maintain high standards in textile, leather, and paper applications. Acid Red 299 captures a bright, deep red tone that resists fading and keeps finished goods looking consistent between batches. Over the years, I have seen customers return again and again because this dye holds its place even when production speeds up or materials shift. Our own teams test and retest, knowing that even minor changes in the formulation can ripple through a client’s assembly line. Consistency doesn’t happen by chance; it comes from strict control each step of the way, from raw selection to final packing.

    Among acid dyes, Acid Red 299 carves out a distinct identity for itself. Some dyes break down under heat or during washing, creating uneven tones and customer complaints. Acid Red 299’s chemical backbone has shown it can hold strong under diverse processing conditions. I have watched batches cured at different temperatures maintain their visual punch, minimizing claims or rework. Feedback from fabric mills and laboratories backs up what we see on the production floor. We hear from small tailoring shops and large industrial buyers that the dye delivers a lively, reproducible color—which shows up on garments, curtains, filters, even decorative napkins.

    Specifications We Stick To

    Every kilogram leaves our doors matching a standard tested for shade accuracy and solubility. Our Acid Red 299 comes in powder form, with a fine particle structure that lets it disperse quickly in aqueous solutions. Water-soluble dyes like this one rarely clog dosing systems or leave messy residues, so clients don’t lose product or delay shipments.

    In practice, we produce grades that meet a target strength so coloring doses stay constant. We collaborate with downstream partners to tighten up particle size distribution, so finished goods don’t show stray spots or dull streaks. In my experience, subtle tweaks in moisture content or impurity levels can produce big headaches once a dye reaches its destination. That’s why we batch check pH, solubility, and shade at intervals, and keep regular lots on hold as controls. If a customer flags a concern, we review every logbook entry from the raw ingredient feeder to the fill room.

    From Factory Floor to Finished Product: Real-World Impact

    In the years we’ve been making Acid Red 299, the landscape of usage keeps shifting. Markets rely on reliable colors not just for appeal but to protect reputations. For example, textile factories want strong reds that stay true through repeated washes. Acid Red 299 fits into the dye bath and reacts gently with protein fibers, coloring wool, nylon, and silk without streaking. Synthetic blends also take well, especially in acid or neutral baths. Our partners using jet dyeing or continuous dyeing have reported low levels of “fly” (unfixed dye scattering) and strong wash-off results.

    Our tannery clients use Acid Red 299 to brighten up leather goods, from belts and wallets to automotive upholstery. They tell us that even after buffing and finishing, red hues stay deep and gloss remains predictable. Clean working practices keep the leather smooth, and our product’s high solubility reduces build-up in handspray units. Since each batch of hides varies, the same dye must adapt. Our experience has shown that Acid Red 299 responds reliably whether it faces softer lambskin or firmer cowhide. No redundant vendor visits, no last-minute shade corrections—just solid, reproducible color for the whole season.

    For papermakers, Acid Red 299 brings consistent sheet color without hurting machine runnability. Packaging plants appreciate the dye’s minimal foam and low interaction with wet-end additives. This matters when they try to dial in a precise corporate color across large volumes of printed and specialty papers. We routinely send technical teams to mills, helping troubleshoot color development and ensuring dosing units remain unclogged. Years of adjustment have taught us where the dye fits best in the sheet formation process and how to avoid the dulling seen with other products.

    Key Differences from Other Dyes

    Clients transitioning from general acid dyes frequently mention the sharper, more vivid outcome Acid Red 299 gives in their processes. Some older red dyes fade soon after exposure to light, or during laundering, especially in blends with polyamide or wool. Acid Red 299’s molecular configuration delivers an energetic red shade that stands up to both indoor and outdoor light tests. We’ve sent out lots for sunfastness checks to independent labs, and consistently see strong retention relative to competitors. Garment makers, especially those serving export markets, report lower rates of color bleed and returns due to shades going off-spec.

    Many alternative acid reds offer bulk pricing, but at the cost of parameter drift from lot to lot. We see this in customer feedback—batch A performs, batch B falls short, creating costly reprocessing or outright waste. We invest in automation and batch tracking so repeat orders behave predictably. Designers, printers, and R&D teams can scale up confidently, supported by technical sheets we’ve built over long periods of in-house and customer testing. We see fewer requests for reformulation or secondary treatment, reflecting the dye’s “right first time” performance. From mills experimenting with high-speed dyeing to specialty producers needing specific hues, the flexibility and predictability of Acid Red 299 mean fewer production headaches and far less resource loss.

    In industries requiring tight regulatory control, such as food packaging or medical textiles, Acid Red 299’s composition keeps it off the list of substances flagged for heavy metals or restricted aromatic amines under major regulations. Whenever requirements change, or new market standards arrive, our lab scales up checks to confirm compliance. By staying ahead, we avoid costly ingredient changes or sudden reformulation requests. This proactive testing has allowed some partners to win certifications faster, reducing hurdles to export. Through consistent record-keeping, each batch’s pedigree stays clear—something we see increasingly valued by buyers in regulated fields.

    What Drives Us To Maintain Quality

    In the dye business, details multiply. Our teams know that from the first shift of a new production run to the last dispatch, every stage affects outcome. Our raw material procurement stays vigilant, seeking consistent suppliers for key ingredients. Machines receive regular calibration, not by rote but because we tackled quality issues years ago traceable to inadequate maintenance. Physical checks complement instrument analysis—sometimes, a colorist’s trained eye picks up on something machines miss. These habits grow from real incidents, where one small shortcut led to truckloads of fabric or paper sent back, all traceable to a short-lived lapse.

    Feedback forms a big part of our process. We encourage customers to describe real production conditions—water hardness, processing times, target substrates—so we can guide recipe design. Mistakes happen in every factory, but addressing root causes together has helped both sides reduce risk. Sometimes, we’ve invested in altering a run’s pH or reorder sequence just to keep a client’s key project on schedule. Every incident becomes fuel for fine-tuning, and that discipline keeps Acid Red 299 on top among its class. In my own years here, hands-on involvement has always worked better than generic answers or blame-shifting.

    Reducing Environmental Impact

    Many buyers now seek not just quality but lower-impact industrial practices. Acid Red 299 brings measurable benefits. Solubility and straightforward wash-off reduce dye runoff and waste. Effluent from textile plants using our product requires less treatment to meet local codes, and we monitor these outcomes alongside our partners. Some customers have shifted from less stable dye blends to Acid Red 299, highlighting reduced rejects and lower chemical use for fixing and after-treatment.

    We track waste and emissions at each stage. Our plant recycles rinsing water, and we design batches to minimize off-spec rework. Waste pigment, once bound for landfill, now reenters the process wherever consistent with safety and product quality. These are not just policy points—they address tough cost and compliance realities. Several clients have audited our operations and remarked on reduced disposal charges and improved plant morale tied to reduced rework. We know these gains do not come overnight, but step-by-step changes anchored in the real world. Regulatory agencies regularly update requirements for dye content in effluent; having a product that passes the latest standards without last-minute chemical boosters brings peace of mind for our team and buyers alike.

    Acid Red 299: Adapting to Innovation

    Research and development continues in our facility. Some major clients have sought new finishing techniques—digital printing, foam application, eco-friendly backings—and Acid Red 299 remains up to the challenge. We work alongside these teams to test batches under emerging conditions. Sometimes, this means preparing micro-batches for specialty textiles or running pilot lines through adjustments in binder or softener recipes. Modern machinery demands dyes that keep up, and in most cases, switching to this product increases throughput without sacrificing vibrancy or consistency.

    We also help research partners pin down exact shade targets by making small tweaks in salt or acid ratios during production. This close interaction has opened doors to nontraditional markets, including artists’ materials, filtration media, and limited-run furniture projects. Each new field teaches us something in return—about wash strength, lightfastness, build, even label legibility. We see how Acid Red 299 meets needs not foreseen during its early design and use this knowledge to broaden guidance in technical sheets or process recommendations. The collaborative loop—direct from the producer—not only keeps customer processes efficient but drives internal improvement, sharpening every subsequent batch.

    Solving Common Challenges

    Every plant has encountered off-shade runs or unexpected performance issues. Acid Red 299’s clear chemical structure minimizes these, but real-world production never stands still. Once, a papermill called us after a pH shift in their pulp water overdrew color, making sheets too red for their branding. Having traceability in our production logs, we could retrace the dye’s makeup and suggest a correction within hours. A textile mill reported inconsistent pick-up in a new polyester blend; we teamed up, sampling process points, and identified a finishing aid that interfered with dye migration. By echoing back real usage details, and relying on our ongoing batch records, crews across the globe have resolved workflow snags quickly and with confidence.

    For any partner worried about regulatory transition, Acid Red 299’s clean record makes a difference. When import authorities checked random textile samples for banned amine content, our established test protocols made documentation quick and straightforward. There was no scramble to prove composition or run new analysis. This kind of incident shows why continuous improvement matters and how strict self-review pays off in client trust and reduced supply chain headaches.

    Customers Define the Journey

    What makes Acid Red 299 stand out, beyond charts or certificates, are the stories customers bring back. A designer who kept a bestseller in rotation just because color did not fade, a filter manufacturer who built a premium line around reliable colorfastness, or even the footwear startup that could enter new export markets since testing showed no restricted substances—all of these come from real partnerships. We do not sell to nameless, number-only buyers, but build relationships that last through many seasons. On factory floors, buyers and shift supervisors know whom to call for support or tailored advice. These hands-on exchanges, from early sample to final shipment, push us to keep refining process controls and customer outreach.

    We learn which processing steps strain color retention or where a new generation of finishing aids nudges performance one way or another. Direct feedback rolls into laboratory adjustments and, over time, shapes not only the next batch but the next product. This circle of improvement does not end; it evolves with each inquiry and challenge faced together. Acid Red 299, as we see it, has continued relevance not because of marketing but by repeatedly solving real production problems and raising the standard for quality and reliability.

    Looking Ahead with Confidence

    Certainty counts in manufacturing. Acid Red 299 is more than a colorant—it becomes part of the supply chain across disciplines. We have engineered every stage, from sourcing to testing, so buyers and end-users receive what they expect, every time. The proven performance saves time, cuts complaints, and keeps processes running at speed. It carries a reputation in textile mills, tanneries, and paper plants born from years in the field, through tough projects and high-volume runs.

    We commit to responding to new regulatory asks, pushing clean production, and drawing direct from real success and setbacks. For every order, we stand behind practical advice, batch-level testing, and ongoing partnership. That’s how we see Acid Red 299 continuing to serve—it adapts, improves, and remains steadfast in a world that never sits still. We look forward to each new batch echoing customer priorities and market trends with the same spirit of innovation and dependability that has defined our journey so far.

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