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Lanasol Red 6G

    • Product Name Lanasol Red 6G
    • Alias Pigment Red 123
    • Einecs 226-099-4
    • 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

    884666

    chemical_name Lanasol Red 6G
    color_index_number C.I. 15085
    color_index_name Solvent Red 26
    appearance Red powder
    chemical_class Azo dye
    molecular_formula C20H11N2NaO7S2
    molecular_weight 478.4 g/mol
    solubility Soluble in water and alcohol
    application Dyeing of wool, silk, polyamide fibers
    light_fastness Moderate to good
    pH_stability Stable in weakly acidic to neutral media
    CAS_number 4477-79-6

    As an accredited Lanasol Red 6G factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Lanasol Red 6G is packaged in a sealed 1 kg plastic drum with a secure screw cap, featuring hazard and product labels.
    Shipping Lanasol Red 6G is typically shipped in tightly sealed, moisture-proof containers, labeled according to regulatory requirements. It should be stored and transported in a cool, dry place, away from incompatible substances. Ensure containers are handled carefully to prevent spillage or contamination during shipping. Refer to SDS and local regulations for detailed shipping guidelines.
    Storage Lanasol Red 6G should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances. Avoid exposure to moisture and sources of ignition. Proper labeling and secure placement minimize accidental spillage or contact. Ensure storage complies with relevant safety and environmental regulations for dyes and chemicals.
    Application of Lanasol Red 6G

    Applications of Lanasol Red 6G in Industrial Manufacturing

    Lanasol Red 6G, a high-purity water-soluble azo dye, delivers consistent color performance across a range of demanding industrial dyeing processes. As the original manufacturer, we supply Lanasol Red 6G to businesses requiring standardized quality, regulatory compliance, and reliable batch-to-batch consistency. Below, we outline its recognized application scenarios, focusing on specialty textile dyeing, wool coloration, silk treatments, leather finishing, and high-grade paper coloration.

    1. Wool Textile Dyeing

    Wool processors choose Lanasol Red 6G for piece-dyeing and yarn-dyeing of worsted and woolen textiles requiring deep shades and high wet fastness. Our dye achieves stable penetration and color yield even on fine merino, supporting differentiated fabric collections demanded by international apparel exporters.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • EU REACH Regulation for azo dyes (Annex XVII, Entry 43)
    • GB/T 7573-2009, CN Wool Dyeing Standard

    Typical usage ratio

    • 0.3%–2.5% of fiber weight (owf), adjusting for fiber type, liquor ratio, and targeted shade depth.

    Downstream process integration

    • Lanasol Red 6G is introduced in the dye bath, after pre-scouring and pH balancing, followed by controlled temperature ramping (85–98°C) and addition of leveling agents. The process includes post-dye acid fixation and thorough rinsing to ensure color fastness.

    Final product types

    • Worsted suiting fabrics
    • Wool-blend knitwear (e.g., sweaters, scarves)
    • Carpet yarns (axminster, wilton)
    • School uniform textiles

    2. Silk Fabric Dyeing

    Leading silk mills use Lanasol Red 6G for high-brightness coloration of pure silk and silk blends, especially where fastness to water, perspiration, and light is required by premium fashion and accessory brands exporting to Europe and East Asia markets.

    Industry compliance standards

    • ISO 105-E04:2013 (Color fastness to perspiration)
    • STANDARD 100 by OEKO-TEX® for silk articles
    • GB/T 3920-2008 (Color fastness to rubbing)
    • EN 14682:2014 (Safety of children’s clothing dye content)

    Typical usage ratio

    • 0.2%–1.0% owf for pale-to-medium tones, up to 1.8% for full-depth shades; shade adjustment based on degumming and substrate purity.

    Downstream process integration

    • Dye is incorporated during exhaust dyeing after thorough degumming and acid preconditioning. It is added gradually under mild agitation (pH 4–5.5) at 70–90°C, with subsequential fixation to lock brightness and ensure migration control across delicate filament structures.

    Final product types

    • Luxury silk scarves and shawls
    • Silk apparel fabrics (blouses, dresses, lingerie)
    • Printed silk linings
    • Designer silk accessories

    3. Leather Dyeing and Finishing

    Tanneries utilize Lanasol Red 6G primarily for drum-dyeing of chrome-tanned leathers targeting consistent shade reproducibility, combined with controlled migration and migration resistance essential for footwear, leather goods, and upholstery applications with stringent color fastness demands.

    Industry compliance standards

    • ISO 11640:2018 (Color fastness to wet and dry rubbing)
    • Leather Working Group (LWG) Environmental Auditing Protocol
    • AFIRM RSL (Apparel and Footwear International Restricted Substances List)
    • REACH Annex XVII for restricted aromatic amines

    Typical usage ratio

    • 0.1%–0.8% based on hide weight (pelt), depending on thickness, tanning method, and color depth requirements; lighter shades below 0.3% to prevent over-dyeing in fashion leathers.

    Downstream process integration

    • Dye is applied during post-tanning drum dyeing, after neutralization and before fatliquoring. Controlled pH (4–5) and gentle agitation permit even penetration. Subsequent fixation and multiple rinses assure minimum color bleed and meet rub fastness testing.

    Final product types

    • Finished shoe upper leathers
    • Upholstery hides for automotive and furniture
    • Handbag and wallet cowhide
    • Small leather goods (belts, watch straps)

    4. Cellulosic Fiber Dyeing (Modal, Lyocell, Viscose)

    Producers of regenerated cellulose fibers incorporate Lanasol Red 6G for yarn and fabric dyeing where vibrant coloration, migration resistance, and fastness under repeated laundering are crucial for comfort wear, home textiles, and innerwear sectors. The dye delivers sharp hue definition in union dyeing systems.

    Industry compliance standards

    • OEKO-TEX® Standard 100, Class I (infant articles)
    • GB/T 2910.7-2009 (Fiber content in cellulosic blended textiles)
    • EU Ecolabel criteria for textile products
    • ZDHC MRSL version 3.0

    Typical usage ratio

    • 0.4%–2.0% owf, varying with fiber denier, shade demand, and presence of blending fibers (cotton, polyester); lighter ratios for pastel shades in intimate apparel.

    Downstream process integration

    • Dye added to jet or package dye baths following scouring and enzyme pre-treatment. Application at 80–100°C with auxiliary dispersing and leveling agents. Process management ensures shade repeatability across high-throughput dyeing lines.

    Final product types

    • Modal and lyocell jersey knits
    • Viscose woven blouses
    • Bed linens and pillowcases
    • Activewear blends

    5. High-End Paper and Specialty Board Coloring

    Paper mills specializing in luxury packaging, art papers, and specialty boards use Lanasol Red 6G for inline wet-end coloration to impart vivid, uniform color with low color migration. The dye achieves colorfastness and stability under high humidity, key for branded packaging and archival grade materials.

    Industry compliance standards

    • EN 646:2019 (Color fastness of paper and board in contact with foodstuffs)
    • FDA 21 CFR 176.170 (Paper and paperboard in contact with aqueous and fatty foods)
    • ISO 5630-5 (Resistance of paper products to ageing)
    • FSC Chain of Custody Certification (for traceability, not dye content)

    Typical usage ratio

    • 0.05%–0.25% based on dry fiber content; precise dosing is calibrated via inline color monitoring to balance shade intensity and migration risk—especially important for food packaging and fine art uses.

    Downstream process integration

    • Dye is metered into the pulp slurry prior to sheet formation on the wire section. The timing and sequence of addition, as well as agitation conditions, are managed to optimize retention and limit bleed-through into finished sheets. Post-color addition, sizing and surface treatments proceed as normal.

    Final product types

    • Premium gift packaging boards
    • Archival art papers
    • Colored stationery sheets
    • Specialty labels and tags

    6. Nylon Fiber and Filament Dyeing

    Producers of technical and fashion-grade polyamide fibers select Lanasol Red 6G for exhaust dyeing, solution dyeing, and package dyeing of both filament and staple yarns. The dye’s migration properties align with the high temperature and pressure protocols that nylon substrates require, supporting end uses with complex color fastness and exposure needs.

    Industry compliance standards

    • ISO 105-B02 (Color fastness to artificial light—xenon arc fading lamp test)
    • ISO 105-E01 (Color fastness to water)
    • OEKO-TEX® Standard 100, Class II–IV
    • EU REACH safety limits for dye content and byproducts

    Typical usage ratio

    • 0.2%–1.2% owf for textiles; up to 1.4% in technical yarn applications; concentrations depend on denier, package density, and process type.

    Downstream process integration

    • Added to dye bath after carrier pre-treatment, typically at pH 5–7 and 98–110°C. Dyeing duration and temperature ramp rates tuned for even distribution on continuous and batch dye lines, followed by multiple rinse and fixation steps.

    Final product types

    • Nylon hosiery and seamless garments
    • Carpet yarns and tufted flooring
    • Outdoor sportswear textiles
    • Technical monofilaments (fishing lines, industrial cords)
    Free Quote

    Competitive Lanasol Red 6G prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Lanasol Red 6G: From Production to Application—A Manufacturer’s Perspective

    Introduction to Lanasol Red 6G

    Lanasol Red 6G stands out as one of our signature fiber-reactive dyes, manufactured to deliver strong, reliable red shades for wool dyeing applications. Years of fine-tuning our processes and understanding the unique requirements of the textile industry have shaped the way we produce this product. Lanasol Red 6G, known under the Color Index Reactive Red 65, caters directly to wool processors and yarn dyers who demand more than just color—they need consistency, fastness, and compatibility with modern dyeing systems. Our approach focuses on delivering a dye that handles with predictability and performs under demanding conditions faced in both large-scale and artisanal textile operations.

    Our Manufacturing Process—Precision and Purpose

    Lanasol Red 6G does not result from chance. It comes from careful monitored chemical synthesis, refined over decades, with each batch tested for purity and dye strength. The molecular setup of Lanasol Red 6G includes a chlorotriazine reactive group, which forms a stable covalent bond with protein fibers when processed at suitable pH and temperature. This stability pays off for dyers aiming for strong wash and light fastness ratings in their finished goods. We see this stability win out in repeated acid and alkaline dyeing trials and field tests across different wool varieties. In practice, this means less fading, more color retention, and real-world value for both the mill and the end customer.

    Model and Specifications—How the Product Responds in the Field

    Every batch of Lanasol Red 6G goes through verification at our in-house lab for key parameters—dyestuff shade (measured via reflectance spectrophotometry), strength (expressed as percentage dye-equivalent on wool), and impurity content (especially free salts and unreacted starting materials). Most customers work with our standard granule form, which pours and dissolves evenly in dye baths. The shade profile runs true to color standards, taking on a strong, vivid red capable of standing up to both light and repeated washing. Dye strength routinely hits our strict thresholds—most batches test above 97% of theoretical color yield on pure wool.

    Wool dyers report solid repeatability whether running piece dyeing, hank dyeing, or batch dyeing equipment. Application typically pulls best results at mildly acidic pH (range 4.5–5.5) and temperatures of 90–98°C; beyond that, bond formation levels off but no decomposition sets in. We keep each lot within agreed specifications on solubility, tint, and contaminant markers. Out-of-range batches never leave our facility.

    Practical Performance—What End-Users Experience

    The real test for Lanasol Red 6G comes once it leaves our plant. Textile mills and smaller dyers share feedback on performance routinely. Key factors they judge include leveling, reproducibility between dyelots, build-up potential, and how little color shifts during pH changes in the bath. Several of our customers choose this dye for their flagship woolen garments—especially fine yarns and premium blanket lines—where even minor color shifts show in finished rolls. The chlorotriazine group in Lanasol Red 6G gives stable fixation under demanding conditions, allowing for deeper reds with less risk of run-off or staining.

    Many mills struggle with color yield loss due to impurities in local water. With Lanasol Red 6G, we formulate to resist calcium and magnesium precipitation, so water hardness does not become a hidden source of color loss. This matters in regions where municipal supply varies widely from season to season. Workers responsible for day-to-day dye house operations trust the consistent granulation—they get fast dissolution, reliable shade build, and fewer surprises during shade correction steps.

    Differences from Other Fiber-Reactive Dyes—What Sets Lanasol Red 6G Apart

    Not every “red reactive dye” meets the same expectations, even when product codes look similar. We see the differences most sharply during large-batch production runs, where uneven dissolution or incomplete fixation can ruin high-value substrates. Lanasol Red 6G gives high fixation rates, which delivers better economics for bulk wool processors, where saved dyestuff translates to lowered input costs across the line. Standardizations in our synthesis and slurry filtration keep inorganic salts low, so the operator controls pH and salt input more tightly without risk of “hidden” conductance issues showing up during dyeing.

    Compared to other reactive reds, our Lanasol Red 6G lasts longer in shade stability tests. Long-term fade trials run under sunlight and artificial UV show that the molecular backbone holds color even after hundreds of hours of exposure. The result: scarves, blankets, and garments look fresh after heavy wear and multiple cleaning cycles. Several competing reactive dyes drop off in intensity under the same tests, and some even shift hue toward orange, which customers notice quickly.

    Lanasol Red 6G shows a different attitude toward auxiliaries. In most scenarios, dyers report less need for citric acid buffers, dispersing agents, or levelers. So we see operation savings not only in input costs but fewer steps, less wastewater challenge, and smoother transition from shade to shade in mixed-color lines.

    Compatibility and Challenges in Contemporary Wool Dyeing

    Over the years, we have seen wool markets become more global, with premium fibre sources from Australia, New Zealand, and other regions coming together in one dye house. Consistency matters more than ever. Lanasol Red 6G adapts well across these sources thanks to its tight molecular size distribution and high tinctorial strength. Whether the substrate is superfine Merino or bulkier crossbred wool, the dye latches reliably and displays similar fastness scores in laboratory comparison.

    Every so often, new finishing treatments or eco-label requirements push mills to tighten effluent and fixative consumption. Our product responds to these demands. With high fixation rates comes less unreacted dye in the spent bath, trimming the load on wastewater treatment. Some dyers searching for “greener” discharge see measurable reductions in color bleed and lower chemical oxygen demand (COD) in their plant logs after shifting to Lanasol Red 6G. While regulations climb year over year, the dye’s high exhaustion behavior offers a direct response.

    Dye house chemistry continues to evolve. Recent years have brought increasing use of low-salt recipes for environmental compliance and energy-saving, lower-temperature applications. Lanasol Red 6G adapts to these changes due to its high reactivity even at reduced salt content, taking up quickly without sacrificing the vibrancy that customers expect in reds.

    End Markets—Where Lanasol Red 6G Makes an Impact

    We meet demands from carpet producers, apparel manufacturers, home furnishing creators, and yarn dyers. Large area wool carpets, for example, require not only colorfastness but resistance to foot traffic and UV. Our dye enters these sectors with a proven track record in both roll-to-roll and batch-dyeing machinery. Fashion brands pursue “signature” shades in their knitwear lines, and they share feedback that Lanasol Red 6G repels color fade that used to force production schedule changes. Smaller craft operations use the same dye for miniature batch and hand-dyeing, reporting reliable performance with minimal deviation between skein runs.

    In technical textiles, engineers ask for more data. They want migration profiles, residue chemistry, and proof of light fastness across multiple test conditions. Years of producing and testing this dye enable us to meet their questions head-on. We document batch history, provide spectral data, and share results from simulated wear tests. So users planning for automotive wool blends or specialty filtration textiles have a clear record of product history and performance.

    Environmental and Safety Considerations—Real Practice, Not Just Policy

    Sustainability isn’t just a buzzword—it impacts how we monitor waste, runoff, and air emissions throughout our manufacturing. Our Lanasol Red 6G process operates with a closed-loop water recycling circuit, reducing the use of fresh water and lowering output of dye-contaminated effluent. On-site control means we routinely recover process solvents and reduce chemical footprints, passing this efficiency downstream to users. Dyebath exhaustion approaches 99%, so color discharge issues drop compared to older-style products. Safety metrics—both for our workers and for mill personnel—take precedence, so no batch ships unless its chemistry remains within well-controlled thresholds for residual amines and chlorinated by-products.

    We also listen to onsite feedback from textile manufacturers. Several customers ask about allergenic reactions, off-gassing, and inhalation exposure for mill staff. Lanasol Red 6G demonstrates extremely low dust, owing to our controlled granulation. This keeps airborne dye particulate at a minimum during handling and portioning, reducing exposure risks and eliminating the need for expensive dust abatement equipment in most facilities. On request, we provide detailed guidance on safe handling practices, storage, and emergency procedures shaped not by theory but by field experience in textile plants around the world.

    Technical Support and Collaboration—Beyond Routine Transactions

    As a manufacturing partner, we treat color as both a science and a craft. Supporting our customers does not end with providing a product spec sheet. We assign technical support personnel—people who have spent years inside actual wool dye houses. If a customer’s lot shows an off-tone, uncertain shade, or unexplained yield drop, we back up troubleshooting with root-cause analysis. Sometimes this means running duplicate lab scale dyeings in our facility; other times, site visits and tailored recipe support solve issues that theory alone cannot address.

    We hold knowledge-sharing sessions with our clients’ technical teams. This has helped mills update their dye house software parameters to suit the real reactivity of Lanasol Red 6G, saving both labor and raw material. Collaborative pilot projects with leading wool processors allow us to match our product performance against legacy dyes, providing direct comparative yield and fastness information.

    We do not just field complaints—we seek patterns in queries and use them to improve future batches. Years ago, a group of clients flagged minor insolubles in cold water preparation. Our quality team innovated to further purify the slurries and streamline filtration. Feedback cycles like these turn direct user experience into product advances, forming a two-way street between frontline dyers and our R&D department.

    Ongoing Research—Looking to the Future

    Innovation shapes how we view current and upcoming needs. While Lanasol Red 6G has proven itself, the market never stands still. Continued pressure toward higher color yield per unit input, narrower shade windows, and eco-certification drives ongoing experimentation. Our R&D labs are running trials with new fixative agents that may boost fixation rates further, particularly in low-salt or water-saving scenarios. We test different granule sizes and surfactant packages to see how well we can adapt the product to even faster-dissolving, less dusty application modes.

    Collaborations with appliance manufacturers look at how reactive dyes interact with next-gen, low-liquor-ratio dyeing machines. As small-batch and micro-production grows in fashion and upholstery, Lanasol Red 6G’s adaptability and even coloration at small scale give it a good future in these sections. Peer-reviewed studies, both internal and at partner institutions, inform our tweaks to the synthesis, letting us track not only standard fastness grades but sensory and tactile outcomes that large fashion brands value.

    Conclusion—Meeting Customer Challenges with Real Manufacturing Experience

    We view Lanasol Red 6G not just as a product, but as the result of decades spent listening to wool dyers, processors, and technical teams worldwide. Our commitment is not mere claims but proven repeatability, rigorous safety, and practical answers to daily challenges in wool dyeing. Customers choose us not just for branded chemical, but for the reliability and direct, experience-based support that shapes every lot we release. As trends evolve—toward sustainability, higher performance, tighter regulation—Lanasol Red 6G remains our demonstration of what manufacturing focus and ongoing partnership can bring to the modern textile world.