Basic Red 46

    • Product Name: Basic Red 46
    • Alias: C.I. 12250
    • Einecs: 931-539-6
    • 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

    835870

    Name Basic Red 46
    Chemical Class Azo dye
    Cas Number 12221-69-1
    Molecular Formula C18H21ClN6
    Molecular Weight 356.85 g/mol
    Appearance Red powder
    Solubility Soluble in water
    Color Index Number 11085
    Usage Textile dyeing, paper and leather coloration
    Maximum Absorption Wavelength 515 nm

    As an accredited Basic Red 46 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Basic Red 46 is packaged in a 500g high-density polyethylene (HDPE) bottle with a red hazard label and tamper-evident seal.
    Shipping Basic Red 46 should be shipped in tightly sealed, clearly labeled containers to prevent leaks and contamination. It must be handled with care, kept away from incompatible materials, and protected from moisture. Comply with all relevant local, national, and international transport regulations for chemicals to ensure safety during transit.
    Storage Basic Red 46 should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect from moisture and direct sunlight. Ensure proper labeling and avoid excessive heat. Handle with appropriate personal protective equipment to prevent exposure. Follow all applicable local, regional, and national guidelines for storage and handling.
    Application of Basic Red 46

    Purity 98%: Basic Red 46 with purity 98% is used in textile dyeing processes, where it ensures consistent and vibrant coloration on synthetic fibers.

    Particle Size 20 microns: Basic Red 46 with particle size 20 microns is used in paper coating formulations, where it promotes uniform color dispersion and brightness.

    Molecular Weight 393.91 g/mol: Basic Red 46 with molecular weight 393.91 g/mol is used in inkjet ink manufacturing, where it facilitates stable and intense print quality.

    Stability Temperature 120°C: Basic Red 46 with stability temperature 120°C is used in plastic masterbatch production, where it provides excellent thermal resistance during extrusion.

    Water Solubility 30 g/L: Basic Red 46 with water solubility 30 g/L is used in aqueous dye baths, where it enables fast and complete dye uptake.

    Melting Point 201°C: Basic Red 46 with melting point 201°C is used in fiber spinning applications, where it maintains color strength under high-temperature processing.

    Viscosity Grade Low: Basic Red 46 with low viscosity grade is used in spray dyeing systems, where it allows for efficient atomization and penetration into substrates.

    Free Quote

    Competitive Basic Red 46 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.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: admin@ascent-chem.com

    Get Free Quote of Ascent Petrochem Holdings Co., Limited

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Getting to Know Basic Red 46: A Manufacturer’s Perspective

    Real Roots in Dye Manufacturing

    At our facility, color chemistry occupies a real, physical space from the earliest stages of raw synthesis to the final boxed lots of pigment leaving our warehouse. There isn’t a shortcut worth taking in this process. Basic Red 46, known in the trade as a cationic dye, stands out because it demands a measured hand in both manufacture and application. Years of handling and refining this product have shown us that every batch looks, feels, and performs with familiar reliability. This quality doesn’t come from chance but from deliberate choices—reactor temperatures, cooling cycles, and purification steps—that are dialed while paying more attention than any machine could provide.

    How Basic Red 46 Finds Its Use

    Formulators who approach us for Basic Red 46 come from textile houses, paper processing groups, and some specialty ink makers. Unlike an acid dye or pigment that depends on mechanical surface adherence or a more neutral pH, Basic Red 46 builds its success in applications where fiber has a natural ionic attraction to the dye molecule. This affinity makes it one of the easiest ways to add deep, bright red hues to acrylics and modacrylics—materials increasingly common in apparel and decorative textiles. As a direct-application basic dye, it seldom disappoints in vibrancy or penetration when used as recommended.

    The dye also fits well into paper tinting operations where coloring speed and clarity make a difference. Years ago, one customer—not our largest but certainly among the most attentive—pointed out how their cost per finished ream dropped, due to fewer rejects and less reworking, simply because the shade repeatability didn’t fail across thousands of kilograms. Small differences like this keep plant managers and operators happier, and for us that’s a visible mark of trust earned through steadiness in our batches.

    What Sets Basic Red 46 Apart

    Plenty of red dyes exist. Some deliver muted maroon. Others fade toward magenta or orange after a few washes. In our daily craft, Basic Red 46 has drawn loyal attention from textile finishers who see the color as both robust and stable indoors.

    Unlike acid dyes, which require low pH and sometimes extra salt to drive uptake, Basic Red 46 establishes strong ionic bonds along the anionic sites in a variety of manmade fibers. The bond strength means less bleeding during laundering and better performance in light exposure tests compared to older basic reds. This comes from our refinement in purifying the dye base and removing excess salts and unwanted by-products left behind in lesser blends.

    Some clients ask about differences between this color and “similar” dyes, such as Basic Red 14 or Basic Red 51. We don’t sell by catalog numbers—we know the practical differences. Basic Red 46 brings a sharper, brighter blueish-red character, holding its look without tending purple or pink. Working in the production area, it is easy to spot from its dry powder sheen and the clean, unmistakable cherry-rose in solution. Its solubility profile also means that with proper pre-wetting in industrial textile operations, nearly all added dye enters the fiber instead of running off in spent water. This means less dye loss, cleaner effluent, and fewer pounds needed for targeted shade.

    Basic Red 51 and others tend to be softer in color strength or can produce a “burnt” undertone, especially with certain fiber types. This has led customers in the upholstery sector to insist on Basic Red 46 for applications demanding repeatable, bold coloration.

    How Our Production Process Supports Reliability

    Manufacturing Basic Red 46 does not offer much forgiveness to those who operate with vague precision. The process requires monitoring at every stage, especially at the point of diazotization and coupling. These reactions are temperature and time sensitive. Once, our line manager noticed a small but significant temperature drop during an overnight batch. It could have slipped by if not for sharp eyes and a willingness to pause the operation, recheck, and reset parameters. This detail—or rather, its absence—can mean weak shade strength or inconsistency, both of which our partners see immediately on finished substrates.

    After coupling, filtration and drying make or break usability. Fine particulate removal isn’t flashy work, but unless the dye is carried to purity, it tends to give dull or uneven coloration, causes downstream filter clogging, and increases equipment wear for users. We run out every lot through batch-specific screening so the pigment reaches customers in a repeatable, free-flowing form. Sorting through the fine points of the process—tightness of crushed cake grinding, humidity control post drying, and storage conditions—has made all the difference over the years. When picking up a finished jar or barrel, we know from the appearance, from the soft but granular pour, that the work has paid off.

    The Technical Side Learned Through Experience

    Our long view on production fits alongside smaller daily technical details. A buyer inspecting a shipment with us once asked what really sets our Basic Red 46 powder apart. We invited them onto the dye floor to see the product at rest and got them a glass of dyed solution. The color density—rich in sunlight and steady in fluorescent light—told its own story.

    Most Basic Red 46 comes to us as stable, deep red powder with high tinctorial strength, meaning a relatively small quantity goes a long way compared to less refined batches. Overdosing raises operational costs without gaining visual value, so our approach always nods to efficiency. The particle size and flowability of our dye powder stem from incremental changes we have made year after year. These adjustments have not only made dosing easier but ensured dispersal remains even throughout solution preparation—vital for those running continuous dye baths or large-scale ink blending.

    One technical benchmark our dye has excelled at comes from a focus on salt and impurity removal. Having stripped down the number of unwanted anions and catch-all stabilizers, the finished product leaves less scum or residue, which can interfere with final product purity on textiles. This clean quality has let a number of our long-term clients shorten their post-dye wash cycles, save on hot water, and lower overall chemical demand at effluent treatment stations.

    While some plants push for ever-faster processing, our experience rests on deliberate, incremental improvement. There was a year—one sharp, cold spring—where powder cohesion became an issue under low ambient humidity. We spent weeks with our QC team, checking micron size, running tap and tumble tests, and dialing in process airflow until the powder reached its intended granular state. We’ve approached every subsequent production cycle with this in mind and avoid the mistakes of those who “set and forget” their parameters.

    Market Shifts and What Users Ask For

    Interest in Basic Red 46 continues to grow as fiber blends become more complex. Textile engineers regularly bring new technical fabrics to the dyehouse seeking compatibility with stable cationic colorants. As we see more cross-blend applications—acrylic with viscose, modacrylic and nylon—those reliable bonds Basic Red 46 forms serve both color brilliance and resistance to washout. It means that after months of market wear, the colored material still comes back to us “true.” An acrylic sweater, years on, may soften and pill, but the color retains its core vibrancy.

    Questions we field most often deal with process optimization. Dyehouse supervisors want to know about exhaustion rates, optimal pH, and best mixing protocols. They want less downtime from clogging, fewer blotches, and less leftover dye in process water. Through hands-on support, we guide users to pre-dilute the powder well, maintain bath temperatures just below boil for acrylics, and steer clear of harsh reductions that break molecular bonds. Such guidance springs from years of simple trial and diligence, not generic product literature.

    Another topic that surfaces: regulatory compliance and trace residues. As more textile products move into regulated spaces like children’s clothing and furnishings, careful attention falls on residuals and by-products within finished goods. Our in-process checks keep the level of unwanted components—such as free amines—well under the thresholds set by global authorities. This ensures not just regulatory compliance, but also peace of mind for converters exporting to stricter markets.

    Lesser-Known but Valuable Details

    Not every improvement to Basic Red 46 arrives with fanfare. A quiet revision to the dye’s moisture control a few years ago allowed us to offer more stable powder for humid storage environments, cutting down on caking and hardening in tropical warehouses. A close partnership with shipping crews revealed that dye in high-humidity ports like those in Southeast Asia or the American Gulf Coast arrived “brick-like” if left untended. Keeping water percentage tight during packout and using lined barrels resolved the issue, preserving the easy pour and quick dispersal our customers counted on.

    Raw powder’s scent also tells skilled noses about process differences. An overly sharp smell can indicate incomplete drying or the presence of non-dye byproducts—both remedied by lengthening our drying cycle and enhancing room airflow. Handling the dye regularly, it’s clear no substitute exists for manual checks of fill, pour, and visual inspection of color in full daylight.

    Every few years, talk in the trade skews toward “universal reds” or newer blends “promising easier all-fiber application.” Our steady approach has shown that while multipurpose chemicals fill a need, no shortcut matches selecting the right dye for specific substrate and process. Basic Red 46 reaches its best as a cationic dye—adhering tightly and displaying resistance to fading—on the synthetic and modified cellulosic fibers for which it was designed.

    Real-World Challenges and Our Solutions

    Taking Basic Red 46 from lab synthesis to full commercial scale presented its share of hard lessons. In the early years, small-batch, open-pan methods couldn’t replicate shade strength or powder quality reliably. Scale-up to closed reactors with careful temperature zoning provided the consistency needed, but this also revealed new obstacles. Clumping during intermediate drying caused major downtime, so we re-engineered airflow patterns and even trialed new conveyor belt materials resistant to heat and static. Quality didn’t improve overnight—it took cycle after cycle of batch reviews, product adjustment, and frank discussions with shop-floor operators.

    Large-volume orders for paper and textile customers sometimes outstrip normal inventory. Meeting these demands without lowering product standards depends on flexibility both in planning and in practical tweaks to the process. We routinely draw up production overflow plans—shifting shifts, sequencing multiple reactor starts, and staggering tank use—allowing us to boost output while keeping batch records fully traceable. Old-fashioned as it sounds, human oversight at every key stage has solved more problems than computerized trend analysis ever could.

    Effluent treatment remains an ongoing concern, both in our manufacturing and at customer sites. Modern environmental standards push us to keep total waste and off-spec product at the lowest levels possible. We’ve updated our internal filtration systems, tweaked wash protocols, and adjusted plant effluent pH to facilitate easier downstream treatment. A number of clients who dye with Basic Red 46 in volume have invested in in-house water recycling plants; our cleaner dye means less soluble residue for them to capture and break down, with fewer fines or costly extra processing. It doesn’t just add up on a spreadsheet—it changes how our dyehouses run, with cleaner work environments and smoother day-to-day flow.

    The Role of Traceability and Documentation

    Traceability holds central importance for us. We track every batch of Basic Red 46—lot numbers, reactor run data, filter sheet changes, and product movement through storage. There’s no room for “mystery batches” here. Our documentation doesn’t live on a shelf; it gets used in every customer claim, performance inquiry, and regulatory test. Some clients come to us after experiences with off-brand lots or unreliable imports; they appreciate the ability to reach back and review not just a batch certificate, but actual production records when rare issues crop up.

    This detail-driven system took more than a paper trail to build. Input from line staff, maintenance planners, and our QA chemists taught us that transparency lowers risk throughout the supply chain. We’ve cut the time needed for shade corrections and complaints sharply since taking these standards seriously. Today’s customers operate in global markets, facing heavy compliance checks; our readiness to supply documented proof gives manufacturers, converters, and brand owners added peace of mind.

    Looking at Future Developments

    The market’s continued movement toward sustainability and higher performance has set new targets for Basic Red 46. As practitioners in dye chemistry, our challenge lies in balancing color brilliance, strong fiber attachment, minimal bleed, and reduced environmental impact. Newer generation fibers and blended yarns push us to further fine-tune the dye’s application window—not only through chemical tweaking, but also through close field testing with loyal customers.

    Several promising projects now focus on further lowering residual anion contamination and boosting application efficiency at reduced dye concentrations. Our in-lab team experiments with new purification cycles and raw material sources, measuring effect by both visual result and quantifiable lab metrics. Sometimes results mean only small efficiency gains or slightly improved clarity. We keep these changes if they make a real difference at scale—fewer rinses in finishing washes, sharper shades with less material input, or better compatibility with eco-label audits.

    While trade shows, market reports, and lab bulletins hint at revolutionary advances or fancier names, most productive innovation in Basic Red 46 comes from steady, incremental work. Records show how minor adjustments in grinding reduce powder caking, or how changes to the reaction vessel coatings guard against micro-impurity introduction. By working at this level of detail, plant and customer both benefit—real value created, not just theoretical.

    Practical Guidance for End-Users

    Long experience has shown that dye performance isn’t improved solely by changing the chemistry. Better results grow from partnership—a willingness to walk a factory floor, to ask users about their pain points, to test product side-by-side with them. Many customers trust Basic Red 46 as their primary acrylic dye because we support application trials with technical staff who bring more than reference sheets. That means troubleshooting a streaking issue directly on a high-speed jet-dyeing line, or reviewing filtration and dosing protocols with the operators, not just the lab team.

    Adaption to unusual situations also makes up part of our regular work. During a shortage of standard dispersing aids, we guided one textile finisher to modify bath mixing order. Careful stepwise addition and maintaining a certain agitation level yielded the old shade, no streaks, zero new defects. Corrections like these come from familiarity, not just chemistry.

    Customers occasionally face tight delivery deadlines. Because we oversee every part of production, storage, and dispatch, we offer firm delivery timings. The physical presence of our team—labeling, loading, and even bracing seafreight for longer journeys—means products land on the target timeline, not in limbo. It’s a pattern born less from policy and more from knowing that one late shipment can cost both the customer’s account and our relationship.

    Common Concerns Addressed from the Factory Floor

    In recent years, interest in health and environmental matters has deepened. Plant safety supervisors and procurement teams increasingly ask about residuals, allergenic potential, and suitability in downstream manufacturing aimed at vulnerable user groups. While Basic Red 46 does not belong to any of the most hazardous dye categories, we’ve refined our process further to virtually eliminate suspect byproducts that used to be present at trace levels in early commercial batches.

    In-house testing—not just outsourced certification—now covers allergen and volatility panels, especially for clients who manufacture performance fibers or export to sensitive regulatory markets in Europe and North America. Regular staff training, rigorous data review, and investment in upgraded safety packaging provide an added layer of certainty.

    On the environmental front, cleaner reaction routes and more efficient powder washing over the last decade have yielded a more sustained drop-off in waste load per finished kilogram. Our partners benefit through easier wastewater processing, and as monitoring regimes sharpen, it gets easier to pass compliance audits on effluent quality.

    The Long-Term View on Basic Red 46

    A product’s place in the manufacturing world doesn’t depend only on technical details or price points. From our viewpoint, Basic Red 46 anchors a relationship between careful synthesis, user-focused support, and hard-earned reliability. Customers who once ordered small batches for trials now pull regular tonnage and run major production based on the predictable outcome our dye delivers. Our operators, line maintenance teams, and technical experts take pride in every container leaving our works, whether bound for a nearby mill or an overseas converter.

    Each improvement—slight or substantial—brings its own real-world reward. And every challenge, from a processing hiccup to a shifting regulatory standard, meets us with the same insistence on improvement and openness. With an eye toward evolving market needs and a hand still firm on process control, Basic Red 46 will keep offering deep reds to the world’s textile, paper, and specialty color users through hands-on diligence, transparent support, and the robust experience that only a manufacturer working day-in-day-out can truly claim.

    Top