Basic Red 15

    • Product Name: Basic Red 15
    • Alias: Astrazon Red 6B
    • Einecs: 219-145-8
    • 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

    701122

    Name Basic Red 15
    Chemical Class Azo dye
    C I Number C.I. 11085
    Cas Number 6361-57-3
    Molecular Formula C19H17N5
    Molecular Weight 315.37 g/mol
    Appearance Dark red powder
    Solubility Soluble in water
    Shade Bright red
    Application Textile and paper dyeing
    Melting Point Decomposes
    Maximum Absorption Around 512 nm

    As an accredited Basic Red 15 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for Basic Red 15 consists of a tightly sealed 500g HDPE plastic bottle, clearly labeled with hazard and identification information.
    Shipping **Basic Red 15** should be shipped in tightly sealed containers, clearly labeled according to hazardous material regulations. It must be protected from moisture, heat, and direct sunlight. Transport according to local, national, and international guidelines for chemical safety. Ensure proper documentation and use appropriate protective measures to prevent spills during transit.
    Storage **Basic Red 15** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of moisture. Keep the container tightly closed when not in use. Avoid storage near incompatible substances such as strong oxidizing agents. Ensure proper labeling and follow all local, state, and federal guidelines for chemical storage to maintain safety and product integrity.
    Application of Basic Red 15

    Purity 98%: Basic Red 15 with a purity of 98% is used in textile dyeing processes, where it provides high color uniformity and intensity.

    Molecular weight 358.43 g/mol: Basic Red 15 with a molecular weight of 358.43 g/mol is used in ink formulations, where it ensures consistent dispersion and print clarity.

    Solubility in water 45 g/L: Basic Red 15 with a solubility in water of 45 g/L is used in paper staining, where it delivers rapid penetration and uniform coloration.

    Melting point 200°C: Basic Red 15 with a melting point of 200°C is used in plastic coloration, where it affords stable coloration during thermal processing.

    Light fastness grade 4: Basic Red 15 with a light fastness grade of 4 is used in outdoor signage inks, where it provides moderate resistance against fading under UV exposure.

    Particle size 5 microns: Basic Red 15 with a particle size of 5 microns is used in aqueous pigment dispersions, where it enhances suspension stability and application uniformity.

    Stability temperature 120°C: Basic Red 15 with a stability temperature of 120°C is used in leather dyeing, where it maintains color consistency during hot air drying.

    pH stability range 5–8: Basic Red 15 with a pH stability range of 5–8 is used in cosmetic formulations, where it delivers reliable coloring across standard formulation pH levels.

    Viscosity 20 mPa·s (at 25°C): Basic Red 15 with a viscosity of 20 mPa·s at 25°C is used in aqueous paint systems, where it promotes easy application and even film formation.

    Residue on ignition ≤0.5%: Basic Red 15 with a residue on ignition of less than or equal to 0.5% is used in electronic marking inks, where it ensures minimal interference with electrical conductivity.

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    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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    Certification & Compliance
    More Introduction

    Basic Red 15: Practical Insights from the Manufacturer

    Getting to the Roots of Basic Red 15

    Working every day in the dye production industry, we get to see how customers handle the challenges of color consistency and process reliability. Basic Red 15 stands out whenever the market demands a strong, vivid red with high reproducibility in application. Our team has developed this dye not to simply meet the book value of color strength, but to support the real-world needs of textile, paper, leather, and plastic processors. Each batch represents careful refinement, not just meeting formal specifications, but reflecting shared experience between skilled production hands and technical support engineers.

    Why Producers Reach for Basic Red 15

    There is always pressure to move fast and keep output steady, especially in the textile sector. Fast dyeing and easy solubility cut costs and avoid bottlenecks. Basic Red 15, with its strong cationic base, appeals to dye houses and finishers aiming for deep, intense shades in acrylics and some polyester blends. When mills try to hit just the right scarlet or magenta on synthetic fibers, this product proves itself in both bulk colorations and customized orders alike. Its good affinity for acrylic stands up to tough, repeated wash cycles and exposure to light—qualities valued by end users who can’t afford fading on their goods.

    Compared to other basic dyes, this red offers a combination of shade purity and excellent leveling. Too often, garments or packaging materials suffer from uneven dyeing due to process variation. Customers give us feedback about how this product helps bring consistency on long production runs. We’ve spent years watching operators fine-tune steam and liquor ratios, so Basic Red 15’s predictable behavior pays off on the floor and in the balance sheet, with fewer rejects and reprocessing hours.

    Real-World Specifications that Matter

    In our facilities, quality isn’t just a certificate at the end of a shift. The typical shade index structure of Basic Red 15 brings a stable, vibrant tone that holds up against direct sunlight and normal laundering. Technical teams measure parameters like light fastness and alkali resistance, ensuring the dye doesn’t lose its character once it leaves the plant. Our own experience tells us most users want to know about color yield and ease of preparation as much as formal light fastness data. The product’s easily dispersible granules or powders dissolve rapidly, and batches stay true to target strength, which helps our customers plan their formulations without burning time on endless adjustments.

    We listened to feedback from finishing lines and color matchers, so every batch comes with clear, transparent batch-to-batch shade records. Rapid solubility testing in our labs is reinforced by on-site trials with clients, so we stay close to how the dye actually performs in complex baths or in high-speed jet machines. It’s these practical experience points that count in an environment where operators must keep lines moving hour after hour. By staying this hands-on, we help downstream users rely on their own processes without second-guessing every drum they open.

    The Role of Basic Red 15 Outside of Textiles

    Our experience doesn’t just stop at textiles. Paper converters value the dye’s positive charge and clear shade, helping them get sharp, lasting color in stationery, tissue, and decorative papers. In the plastics segment, processors appreciate its resistance to migration and how it works in ion-exchange or direct coloration processes. Some color formulators have shared how these qualities open up new possibilities for branding and specialty items, especially where color reproducibility needs to impress designers and buyers at first glance.

    We’ve supported manufacturers of flexographic inks and industrial coatings who pointed out that consistency is not optional, it’s crucial for troubleshooting and customer satisfaction. Basic Red 15 holds its place among the more stable cationic dyes in this context, especially as water-based formulations become more desirable. If you’re trying to create a standout label or bright accent on a molded part, the clarity of shade and minimal bleed improve both the look and the efficiency of your downstream printing and curing processes.

    What Sets Basic Red 15 Apart from Other Basic Dyes

    It’s easy for basic dyes to be grouped together as “quick fixes” for deep color, but our conversations with customers tell a richer story. A lot of older basic reds bring color quickly, but risk unevenness or rapid fading. In our early days, we observed how harsh process conditions consistently punished weaker dyes. Formulators and operators ended up building in extra margin to compensate for variability, essentially spending more to avoid re-dyeing or color correction.

    Our Basic Red 15 results from production built around repeatability and continuous feedback. The modern synthesis route tightens up controls around purity and salt content. This approach, compared to classic small-batch dyes, gives the finished dye a more robust performance profile. The finished color remains stable over large runs—something that cheaper or lesser-controlled products can’t always assure. This pays off for brand managers and home goods suppliers who need every batch to match catalog standards with as little intervention as possible.

    Operators working with color libraries or stringent shade specifications remark that minor shifts in dye molecular weight or salt ratios can throw off results. We’ve invested heavily in in-line monitoring for these very reasons. Informal visits to customer plants and their feedback loops reveal just how much frustration can be saved by consistent dye bath exhaustion and reduced precipitate formation. Finishing mills appreciate low sedimentation and stable rheology, supporting fast, trouble-free cleaning cycles. These subtle process gains mean a lot in the context of overall throughput and labor utilization, far beyond what a product leaflet might cover.

    Lessons Learned from Decades in Production

    Our technical and operations teams have weathered market swings, spikes in feedstock prices, and shifts in end-user expectation. Over years of making Basic Red 15, we’ve learned that no two batches are ever exactly the same without rigorous control—so every aspect, from raw material sourcing to quality assurance, gets direct oversight. Our operators track parameters in real time, and customer claims about color differences rarely go unanswered for long. This open dialogue gives us insight far beyond paper specs—it blends real chemistry with practical troubleshooting.

    We take pride in the number of repeat customers who rely on Basic Red 15 not simply for its color value, but for the security it brings to their own process flows. Regular visits to dyehouses, mill rooms, and extrusion halls build a mutual understanding, letting us fine-tune future production lots in light of current demand and feedback. Sometimes, this leads us to further refine filtration or granulation steps in our production, minimizing dust and ensuring faster preparation on your end. These direct connections form the basis of trust in the manufacturing world, more persuasive than any catalogue description.

    Challenges and Solutions in Coloration

    Modern manufacturing doesn’t rest in one place, and our customers constantly adapt to changing regulatory landscapes, rising environmental standards, and shifting consumer trends. Basic Red 15 finds itself at the intersection of these trends, with rising pressure to reduce effluent loads and tighten down on process chemicals. By collaborating directly with finishers, we’ve revised our purification steps, cutting down on trace impurities that used to trouble wastewater streams. Not every producer does this; for us, it’s both a responsibility and a necessity in keeping long-term buyer relationships healthy.

    From a technical side, our R&D team works to balance color brilliance against ecological impact. For example, dyeing auxiliaries and chemicals in a complex bath can interact, resulting in unwanted byproducts or shifting pH requirements. We keep detailed records of how Basic Red 15 responds to these variables, helping customers tune their dosing regimes and avoid extra fixatives. Test series in-house track not only shade but effluent composition, helping clients demonstrate compliance with tightening regulatory rules in export markets. In some cases, this has involved work alongside large-brand auditors and sustainability consultants, looking for ways to make coloration leaner and cleaner on a commercial scale.

    Perspective from the Factory Floor

    Stability in output isn’t just a lab story. From the dock receiving raw materials, through reactor runs and drying, every shift faces its own unique knots and tangles. Line mechanics tell us which mixes flow best into dispensers, and quality control teams measure the real shade and solubility operators will see in their day-to-day work. Feedback often comes in the form of machine settings, error logs, or even quick phone texts sharing field photos. These data points fill in gaps formal product specs miss.

    Operators want batches that dissolve fast, and corrections that don’t take hours. Tolerance for variation can feel short because every lost minute equals output and cost. That pressure is familiar; it shapes our production calendar and batch prioritization. Small changes in humidity, granule size, or storage temperature can make all the difference for end users. Experience tells us predictable batches cut down troubleshooting time and make it easier to train new operators. Our plant teams tweak granulation and drying to keep this blend flowing as intended, every single run.

    Product Lifetime and Customer Impact

    The real picture of Basic Red 15 performance emerges after the packaged dye leaves our gates. Some downstream customers develop entirely new products or applications using this dye as their backbone. Design teams, familiar with its color latitude, can push creative boundaries without sacrificing reproducibility. Feedback loops with integrated garment mills and plastic compounding houses led us to streamline shade charts and expand technical support manuals for processors, making it easier to spot and solve issues without long delays.

    In end-use appearances, large volume apparel producers have noted how fabric handle, feel, and colorfastness all tie back to precise upstream chemistry. Feedback on reduced post-dyeing rewash cycles and decline in out-of-spec lots have made their way back to our sales and technical heads—evidence that paying attention to the details in production means measurable benefit for partners at every step.

    Continuous Improvement: Balancing Practicality and Innovation

    Basic Red 15’s formulation doesn’t stand still. We review every quarterly complaint, application note, and market survey, collecting input on how the product holds up under changing customer demands. Some of our best process tweaks came from informal workshops with key clients, where we see firsthand what goes wrong and suggest modifications on the spot. Cooperative research with synthetic fiber manufacturers sometimes suggests ways to adjust buffer additives, or to test new formulation carriers to further reduce process risk.

    The push for lower environmental footprint shapes both procurement and process design. We’ve audited feedstock suppliers to ensure trace contaminants don’t trail through to the finished dye. On our end, tighter washing and drying steps shave impurities and help customers abiding by stricter discharge rules. Meanwhile, our in-house application technicians maintain test looms and dye baths, helping simulate exactly the field conditions our users will work with. Results from these controlled trials make their way into frequently updated application guidelines, shared freely with our partners to support successful first runs and prompt troubleshooting if anything does go wrong.

    Regulatory Considerations and Market Shifts

    Trade and environmental regulations continue to tighten. Customers demand documentation beyond just a basic COA—they want full traceability and consistent results. Each plant must be ready for third-party audits or spot checks from global buyers, and maintaining full transparency on sources, intermediates, and process aids becomes part of production life. We track all aspects of our batches closely—both for internal quality and to help clients through their own certification requirements.

    Lately, shifts in end user sentiment toward “greener” inputs, reduced chemical load, and recyclability have shaped the conversation about basic dyes. Years ago, basic dyes earned a reputation for being hard to clean up and tricky to integrate into environmentally conscious processes. By adjusting synthesis, reducing unwanted side-products, and tightening removal of impurities, we’ve made strides in reducing the burden on downstream waste treatment and supporting clients moving toward responsible sourcing labels. Many clients run independent batch tests before committing to a new standard—open data and field application support from us makes these testing cycles more predictable and less risky.

    Support for Troubleshooting and Process Optimization

    Technical support matters as much as a quality batch. Hands-on input from our application technicians helps clarify the why behind process upsets or shade drift. We offer direct feedback—sometimes on the same day—whether troubleshooting a color problem in-person at a client’s mill or over a video call with their process engineer. This approach doesn’t just build loyalty; it lets us refine our own controls and help future clients avoid similar snags. On several occasions, quick sample runs at our technical center have resolved what appeared to be equipment or formula errors—proving the value of having the people who make the dye also advise on its real-life use.

    For clients introducing Basic Red 15 to new product lines—whether in blended fibers, specialty papers, or plastics—joint trials and custom shade matching are par for the course. Fast iteration with direct access to our factory technologists means users head off problems before start-up, saving valuable production time and reducing scrap rates. Our commitment to real-time batch support provides a level of reassurance that’s hard to come by through faceless supply chains or brokers.

    Looking Forward with Basic Red 15

    Over the years, we have seen basic dyes swing from being commodity items to critical specialty inputs, dictated by downstream process and branding requirements. Demands for batch repeatability, color brilliance, minimal environmental impact, and friendly processability now come as baseline expectations, not stretch targets. With Basic Red 15, we respond to these evolving needs by leaning on decades of experience and direct customer interaction—not just compliance with a written spec, but a daily commitment to understanding what actually works on the factory floor.

    Having learned through cracked valves, steam upsets, raw material debates, and unexpected operator insights, our team reflects the union of technical rigor and field sense. Basic Red 15 stands as more than an entry in a catalog. It captures a long partnership between chemistry, engineering discipline, and production feedback. By listening and adapting to the real-world challenges faced by dyers, finishers, and color formulators, we keep improvement ongoing and practical, ensuring this trusted dye meets new benchmarks and keeps lines moving for years to come.

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