Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Mordant Blue 13

    • Product Name Mordant Blue 13
    • Alias Direct Blue 1
    • Einecs 235-724-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    452558

    Chemical Name Mordant Blue 13
    Cas Number 3536-49-0
    Molecular Formula C30H16N3NaO8S2
    Molecular Weight 633.57 g/mol
    Color Index Number C.I. 24410
    Appearance Dark blue powder
    Solubility Soluble in water
    Maximum Absorption Wavelength 593 nm (in water)
    Ph Range 6-8 (1% solution)
    Usage Dye for wool, silk, nylon, and as a biological stain

    As an accredited Mordant Blue 13 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Mordant Blue 13 is packaged in a 25 kg blue fiber drum with a secure lid, featuring hazard and product labeling.
    Shipping Mordant Blue 13 should be shipped in tightly sealed containers, away from incompatible substances, moisture, and direct sunlight. Ensure proper labeling and transport according to regulations for hazardous chemicals. Use appropriate personal protective equipment (PPE) during handling and shipping. Follow all local, national, and international guidelines for chemical transport.
    Storage Mordant Blue 13 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Prevent exposure to moisture and direct sunlight. Ensure containers are clearly labeled. Use appropriate personal protective equipment when handling, and follow all relevant safety protocols and regulations for hazardous chemicals.
    Application of Mordant Blue 13

    Applications of Mordant Blue 13 in Industrial Manufacturing

    As a direct producer of Mordant Blue 13, we supply this specialty anthraquinone dye to key industries where precise coloration, technical reliability, and compliance are essential. Downstream manufacturers rely on Mordant Blue 13 for color fastness, reproducibility, and process integration across several specialized segments. Below are the principal industrial application sectors, including exacting compliance needs, formulation ratios, integration steps, and finished product types commonly specified by end users.

    1. Wool and Polyamide Fiber Dyeing

    Textile mills employ Mordant Blue 13 in batch and continuous dyeing processes for wool and polyamide (nylon) fibers, where exacting colorfastness to washing, light, and perspiration is required by premium textile brands. Technicians utilize the chromophoric properties of this dye to generate deep blue shades with reproducibility across high-volume runs. Color strength remains stable even under elevated temperatures and prolonged processing. Specialized leveling agents and controlled mordanting—typically with chromium salts—allow for penetration and fixation, ensuring batch-to-batch consistency in color grade fabrics destined for apparel, carpet, and upholstery markets.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • ISO 105 (A02, B02, C06, E04) for textile color fastness
    • REACH (EC No. 1907/2006) Substance of Very High Concern (SVHC) checks
    • ZDHC Manufacturing Restricted Substances List (MRSL) v3.1

    Typical usage ratio

    • Wool: 0.5–3% dye on weight of fiber (owf)
    • Polyamide: 1–4% owf, adjusted by shade depth and mill water quality

    Downstream process integration

    • Added after scouring and pre-mordanting in aqueous dye baths
    • Temperature ramped to 98–100°C for exhaust dyeing
    • Dye fixation completed with metal mordant; pH maintained at 4–5

    Final product types

    • Dyed apparel-grade wool yarns and fabrics
    • Nylon carpeting with high wash and light fastness
    • Blended-fiber upholstery textiles
    • Industrial filtration felts

    2. Silk Ribbon and Embroidery Dyeing

    High-end silk processors apply Mordant Blue 13 in low-liquor-ratio dyeing units to achieve vivid blue hues with excellent penetration and minimal surface frosting. The dye’s fine molecular structure facilitates even uptake in delicate fibers. Strict process control, including neutralization stages and slow cooling, preserves silk lustre and strength. Specialist dyehouses typically specify this product for luxury embroidery ribbons, fashion accessories, and ornamentals demanding both color clarity and mechanical integrity after finishing.

    Industry compliance standards

    • ISO 105-X12 (rubbing fastness to dry/wet operations)
    • China GB/T 6502-2016 for silk dyeing quality
    • National Standard GB 18401 for textile consumer safety
    • OEKO-TEX® eco-passport for dyes used in direct skin contact goods

    Typical usage ratio

    • 0.2–1.5% dye on weight of silk, modified by liquor ratio (10:1 to 20:1)

    Downstream process integration

    • Introduced during the post-degumming dye bath with precise pH adjustment (pH 5–6)
    • Color developing at 85–95°C over 30–60 minutes
    • Extended rinsing and softening finish for handfeel

    Final product types

    • Hand-dyed silk embroidery threads
    • Luxury garment and hair ribbons
    • Premium silk handkerchiefs and scarves
    • Decorative trims and sashes

    3. Leather Mordant Dyeing

    Tanneries employ Mordant Blue 13 in post-tanning dye-bath applications to impart deep blue shades to vegetable or chrome-tanned leathers. Its stable performance under acidic and buffered conditions makes it suitable for high-value items including shoe uppers, belts, and accessories. Color technologists rely on precise control of amphoteric salt addition during dyeing, ensuring homogeneous distribution and adherence without surface streaking or dye bleed during subsequent finishing. Blue-dyed leathers enter finishing lines where water and abrasion resistance undergo testing per brand QC requirements.

    Industry compliance standards

    • ISO 11640 (leather color fastness to rubbing)
    • ISO 11641 (fastness to water and sweat)
    • REACH Annex XVII (restricted substances)
    • LWG (Leather Working Group) Environmental Audit Protocol

    Typical usage ratio

    • 0.5–2% dye based on shaved weight of wet-blue or crust leather, variable by color depth and tannage

    Downstream process integration

    • Loaded into post-tanning dye drums after neutralization stage
    • Mordanting with aluminum or chromium salts for fixation
    • Rinsing and fatliquoring steps followed by drying and conditioning

    Final product types

    • Automotive upholstery leather
    • Consumer footwear uppers and linings
    • Luxury handbags and belts
    • Small leather goods and technical articles

    4. Analytical Staining and Microscopy

    Laboratory reagent suppliers and clinical research centers use highly purified grades of Mordant Blue 13 as a specific staining agent for histology, cytology, and microscopy. It provides clear differentiation of tissue structures, nucleic acids, and reticulin when applied according to certified protocols. Lab managers demand reproducibility and confirmed lot-to-lot purity, as even minor residues may disrupt analytical results. Mordant Blue 13 fulfills major pharmacopeial stain requirements for research and diagnostics, and technicians customize working concentrations according to fixative and tissue matrix.

    Industry compliance standards

    • European Pharmacopoeia (Ph. Eur.) and USP guidelines for histological dyes
    • ISO 9001:2015 for laboratory chemical production
    • CLSI guidelines for laboratory staining reagents
    • GLP (Good Laboratory Practice) certification for analytical reagent suppliers

    Typical usage ratio

    • Working solutions: 0.1–0.3% w/v in buffer, adjusted by tissue specimen and staining objective

    Downstream process integration

    • Prepared as aqueous or alcoholic solution prior to direct immersion of slides
    • Applied after deparaffinization and hydration of sample
    • Excess stain removed by controlled differentiation (acid/alcohol) and mounting

    Final product types

    • Histological and cytological microscope slides
    • Pathological staining kits for research
    • Commercial diagnostic microscope slide sets
    • Reference standard staining reagents

    5. Paper Coloring for Security and Specialty Papers

    Security paper mills require Mordant Blue 13 for batch coloration of pulps used in banknote, passport, and brand-security documents. Its molecular stability and insolubility under alkaline conditions prevents migration and fading, critical for tamper resistance. Process technologists dose the dye directly into the wet pulp slurry, followed by sheet formation on Fourdrinier or cylinder machines. Quality managers monitor color uniformity and permanence on each lot, while mill-scale additions allow for micro-level anti-counterfeit designs and watermark contrast enhancement.

    Industry compliance standards

    • ISO 187 (Paper and board—conditioning)
    • ISO 1831 (Color fastness of paper and board)
    • EN 646 test method for paper dye migration
    • CWA 14907 (European security printing standards)

    Typical usage ratio

    • 0.05–0.3% dye on dry weight of pulp, dosage optimized for lightfastness and document opacity

    Downstream process integration

    • Direct addition to aqueous pulp blend after refining and prior to sheet formation
    • Retention aids facilitate dye fixation in fiber matrix
    • Finished sheets dried, calendared, and cut prior to secure printing

    Final product types

    • Printed banknote base paper
    • Secure identity documents and passports
    • Tax stamp and certificate base stocks
    • High-specification watermark and thread papers

    6. Acrylic Fiber Solution Dyeing

    Acrylic fiber manufacturers include Mordant Blue 13 directly in dope solution prior to wet or dry spinning, targeting color permanence within fiber cross-sections. This integrated color process ensures blue shades are locked into the fiber matrix, enabling durable hue retention in high-performance technical textiles and industrial felts. Technologists must balance dye concentration with solution viscosity and fiber extrusion rates, maintaining upstream filtration and solvent recovery systems to prevent fouling and shade deviation across continuous lots.

    Industry compliance standards

    • ISO 105-X12 (Color fastness to rubbing)
    • ISO 105-B02 (Light fastness)
    • ISO 9001:2015 for synthetic fiber manufacturing
    • HSE chemical management guidelines

    Typical usage ratio

    • 0.1–0.75% dye based on total polymer solution mass, adjusted for shade and fiber denier

    Downstream process integration

    • Introduced to acrylonitrile polymer solution at dispersion stage
    • Maintained under controlled agitation for complete particle wet-out before spinning
    • Resultant fiber washed, stretched, and cut as per product specification

    Final product types

    • Outdoor durable acrylic carpets
    • Technical filtration nonwovens
    • Performance apparel and thermal wear
    • Spun-dyed acrylic yarns
    Free Quote

    Competitive Mordant Blue 13 prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

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

    Certification & Compliance
    More Introduction

    Mordant Blue 13: A Manufacturer’s Perspective on Quality, Practicality, and Distinction

    Introducing Mordant Blue 13: More Than Just a Dye

    Over the years, the discipline of dye manufacturing has meant paying attention to details the market often overlooks. Mordant Blue 13 stands as a testament to that practice. In the factory, daily experience shapes how we select raw materials, control synthesis, and guide practical applications. This particular dye holds a special place in textile coloration and specialized ink production. Its unique chemistry, driven by its anthraquinone core and affinity for mordant fixation, brings features you won’t find in standard dyestuffs.

    Our team sees requests for all kinds of blues, but Mordant Blue 13 keeps appearing in conversations because it delivers precision in color-fastness when bonded to suitable substrates. During the manufacturing cycle, every batch reflects the discipline of carefully balanced pH, controlled temperatures, and continuous sampling. We’ve watched how changes in any step ripple through to chromatic brilliance or wash resistance. Even simple process tweaks—like coolant speed or filtration—often have visible impact on hue strength, saturation, and even reproducibility.

    Consistent Specifications, Everyday Reliability

    Mordant Blue 13 shares its backbone with other anthraquinone dyes, yet it stands out by combining deep, rich blue shades with impressive affinity for well-conditioned fibers. Specifications in our production lines include particle size, moisture content, and dye content—these matter day-to-day because finishers and dyers see the smallest deviation. As a manufacturer, we put heavy emphasis on lot-to-lot reproducibility, because customers trust us to make large-scale production predictable and stable.

    Direct feedback from customers drives how we adjust specifications. For example, textile plants operating continuous dyeing lines need a highly dispersible powder, so our focus extends to crushing, sieving, and anti-caking steps every cycle. For ink manufacturers, requests for particular dispersant additives led us to select proprietary compounds that stabilize pigment while keeping viscosity in check. These changes come from real orders, not theoretical whitepapers.

    Application: Where Science Commands Practice

    Typical users of Mordant Blue 13 include textile dyehouses specializing in wool, silk, and specialty fibers prepared with mordants. The dye forms stable complexes when applied to fibers pre-treated with metallic mordants such as chrome or aluminum. That chemical union provides deep penetration and resilience through laundering, light, and perspiration. Much of this performance comes down to interaction between the fiber, mordant, and dye. Without proper control over dye bath conditions, results can diverge—something we’ve observed across both automated lines and small-batch craft operations.

    Apart from textiles, specialty ink producers value Mordant Blue 13’s capacity to blend in water-based and some solvent-based media. Its tinting strength means smaller dosages suffice to achieve rich results. Printmakers and artists have commented that the color intensity remains stable when applied to paper, keeping time-wearing vibrance. Our laboratory regularly checks dispersibility parameters and solubility ranges to support these applications, as field feedback from printers pushes continual improvement.

    Key Differences: Factory Insights Between Mordant Blue 13 and Other Blues

    On paper, many blue dyes look interchangeable. The market offers alternative anthraquinones, triphenylmethanes, and indigo derivatives, each with promises of vibrant visuals. Yet, our experience exposes what the testing labs sometimes miss. Mordant Blue 13 exhibits a shade character somewhere between royal blue and navy, depending on application and mordanting technique. Its resistance to bleeding and fading sets it apart from direct dyes, which often release color in vigorous washing. Unlike reactive dyes, Mordant Blue 13 forgoes the need for chemical activation of the fiber itself, operating instead through the mordant-dye coordination bond—a considerable simplification for many traditional processes.

    We have run head-to-head trials across dye types. Triphenylmethane blues, for example, offer brightness but tend to lose saturation under direct sunlight, whereas Mordant Blue 13’s anthraquinone structure lends superior UV stability. Indigo can deliver that prized denim hue, yet it needs reducing agents and complicated vat processes. By comparison, mordant blues simplify workflow, provided the user pre-treats with suitable metallic salts.

    Consistency emerges as a repeated story from the field. Some alternatives suffer from batch-to-batch color drift, especially when global supply chains substitute raw materials without notification. Our controlled backward integration to raw material suppliers makes sure color remains stable. This matters most in repeat production scenarios: flag textiles, corporate uniforms, institutional logos. End-customers want their blues to match year-on-year, not waver in tint or depth because some upstream supplier swapped in cheaper intermediates.

    Controlling Environmental and Safety Responsibility

    The chemical industry faces constant scrutiny for its environmental impact. Manufacturing Mordant Blue 13 commits us to more than compliance—it’s about active stewardship. Our synthesis routes avoid regulated solvents and work within closed reactor systems. All effluent streams move through staged purification, including physical, chemical, and biological treatments, before final discharge. Internal audits track every kilo of raw input and output, and we keep detailed records for years at a time.

    Occupational safety presents another baseline. Routine exposure to dye powders can irritate skin or airways, so we engineered conveyance to minimize dust. Process engineers and packers work with local exhaust, double filtration, and full PPE—safety is not a paperwork checkbox, it’s visible in every corner of the shop floor. Regular drills reinforce this, and incident rates have dropped year after year.

    Applications Beyond the Obvious

    Mordant Blue 13 attracts attention for textile applications, but our experience reveals other sectors value its robustness. Tanners use it for blue shades in high-grade leather. Paper manufacturers leverage its affinity for modified cellulose to impart archival blues to specialty paper stock. Some ceramics decorators employ it as a base pigment for glazes. Research labs order small lots for analytics and as trace markers in separation science.

    Every time requests come in from a new sector, we reopen our evaluation protocols. Stability tests, compatibility checks, filtration behavior—years of keeping laboratory-scale and industrial processes humming pay off. We listen when a paper mill reports flocculation issues or when an ink maker needs optimized dispersion. It’s often small feedback that signals what matters in practice.

    Supply Chain Transparency and Traceability

    Customers increasingly focus on transparency—where and how materials originate. In Mordant Blue 13’s production, we document the origin of anthraquinone and all intermediates. Our stores hold standardized stock, and every batch receives a unique identifier that can track back not just to the day of production, but to the specific reactor run and raw material lot. This level of traceability lets downstream users answer questions from end-buyers, regulators, or auditors with certainty.

    We reject the notion that cutting corners saves cost long-term. Occasional tenders come our way asking for off-spec, “discounted” blue dye auctions. Compromising on purity or concealment of side-products leads directly to processing headaches: unexpected precipitates, dull shades, customer returns. By keeping a closed loop of feedback, corrections, and open communication along the supply chain, we build relationships that outlast pricing cycles.

    Responding to Regulatory and Green Chemistry Trends

    Regulatory frameworks evolve year by year. REACH, California’s Prop 65, and other directives add layers of complexity to chemical manufacturing and trade. We work with compliance experts, not just to tick boxes, but to read draft legislation and anticipate what might impact customers down the road. For Mordant Blue 13, continued research explores alternative raw materials and new mordant systems that show lower ecological footprint without sacrificing performance.

    Green chemistry isn’t a slogan in our factory—it guides real actions every quarter. We built pilot facilities to try new synthesis methods that improve atom economy and cut waste. Switches to water-based crystallization, reduced energy consumption per kilo produced, and improved catalyst recycling are all measures already in place. Our laboratories continue to test next-generation chelators and auxiliary agents that boost dye-fiber affinity at lower environmental cost.

    Challenges and the Path Forward

    Manufacturing Mordant Blue 13 invites unique challenges. Sourcing consistent, high-quality raw materials never grows easier, as geopolitics and freight logistics shift year by year. Maintaining purity and shade repeatability counts as a daily focus. Training the next generation of operators and chemists compels us to pass down process knowledge that doesn’t always appear in manuals.

    Outside pressures, such as cost inflation on energy or new regulatory restrictions, force nimble responses. Yet, it’s the steady grind—constant sampling, tight packaging control, double-checking blending tanks on graveyard shifts—that upholds reputation. Reliable customers count not just on a particular shade of blue but on the assurance that what arrives matches their last order. Even slight nuances in shade or dispersibility prompt phone calls and questions, and that drives deeper process control.

    Feedback Loop: Real Stories from the Field

    As a manufacturer, connections with the people using Mordant Blue 13 shape daily decisions. A major textile company reported an uptick in washing complaints, leading us to scrutinize our mordanting advice and tweak the buffer recommendations in our technical notes. Printmakers wanted a more fluid dye for screen application, prompting us to trial alternative dispersants and extend shelf-life for bulk ink systems. One papermill in northern climates flagged issues during winter, where low humidity impacted dye handling, resulting in our adjustments to anti-static conditioning procedures.

    Each of these field reports leads to real, measurable improvements—not abstract “innovation.” It means our teams test, troubleshoot, and revisit old assumptions about how even minor detail can impact large-scale outcome. Keeping that humility front and center builds credibility. Our technical support never stops at paperwork. It continues with site visits, tailored advice, and a willingness to analyze production faults as partners rather than vendors.

    Engagement with Scientific Progress and Industry Networks

    We take an active role in sharing research on anthraquinone dyes and mordant chemistry at conferences and technical summits. Our chemists collaborate with textile engineers, color scientists, and process equipment manufacturers to push standards higher. We encourage open dialogue with those in trailblazing organizations exploring bio-based raw material streams or closed-loop production models.

    Learning never finishes. Innovations in fiber science, digital print technology, and fast-fashion models all filter into our approach. Feedback from forward-thinking clients who want traceable dyes with lower carbon impact spurs continued R&D. The old attitude of “one size fits all” fades, and every advance in detection and analytics gets put under the lens—sometimes revealing ways to subtract impurities we never previously measured.

    Protecting Quality: A Relentless Imperative

    In dye manufacturing, shortcuts tempt in the face of tough competition. But history tells us reliability pays off. Authenticity matters—manufacturing Mordant Blue 13, we stand behind every shipment. We sample regularly and spot-check every load. Surprises get flagged quickly. This vigilance means no unwelcome calls from customers about fading uniforms or mismatched banner fabrics. Tracing any irregularity back to its root means we solve issues before they cause damage downstream.

    Reliability also builds reputational capital in a connected industry. Authorities and consumer brands choose suppliers who act with integrity. Doing the basics over and over, with attention and continual review, protects not just clients, but also the broader ecosystem. Our pride in consistency is not about awards or sales figures—it’s about knowing any challenge, from raw material shocks to new technical demands, gets tackled with eyes open and sleeves rolled up.

    The Value of Direct Manufacturing Experience

    Being close to the furnace, filtration system, and blend tanks grants perspectives far removed from the world of trading or brokerage. We see the impact of each parameter—from pH bump to agitation speed—on the resulting dye. Our operators and plant chemists keep notes going back decades. Trial and error, shared stories, troubles solved on night shifts: these fill in the spaces between the official records and guide decisions with depth unattainable by shortcut.

    Customer feedback connects back to real people in our factory, not faceless supply chain numbers. Every challenge met—whether packing for damp port climates or resolving shade drift traced back to a single reactor coil—builds confidence among our staff. The result: a dye that not only meets published specifications, but outperforms them in the real world, batch after batch.

    Supporting Change and New Demands

    Industries transform. Clothing companies push for sustainable credentials, regulators introduce new safety standards, and end-consumers scrutinize chemical sourcing with sharper eyes each year. We stay prepared. Teams invest time in learning how upcoming changes affect customer requirements. We seek to simplify processes, improve performance, and supply technical data without jargon. If a textile finisher asks for a certification audit, every document and production step stands ready for review. If a maker of children’s goods requests extra-toxicology data or a greater than usual cleaning protocol, we treat it seriously and deliver answers tested in actual conditions.

    By investing in transparent communication and practical solutions, Mordant Blue 13 grows with market demands. Our goal is not only about coloring products blue—it’s about delivering chemical performance, predictability, and partnership. The most successful users of our dye are those who leverage direct consultation with us as manufacturers, tapping into years of accumulated troubleshooting and an operational DNA focused on continuous improvement.

    Conclusion: Building on Legacy, Focusing on Tomorrow

    Mordant Blue 13’s story runs deeper than its intense shade and reputable fastness. Manufacturing experience shapes every step from synthesis to final blending and shipment. True value comes not from being a commodity, but from measurable reliability, strong technical knowledge, and an unwavering commitment to improvement based on real-world feedback. As industry and society move toward new expectations in responsible practices and performance, direct experience as a manufacturer gives us the footing to evolve quickly and faithfully serve the needs of diverse users.