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

Acid Blue 120

    • Product Name Acid Blue 120
    • Alias C.I. 26360
    • Einecs 407-740-1
    • 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
    Specifications

    HS Code

    802078

    Name Acid Blue 120
    Cas Number 12220-78-5
    Molecular Formula C40H38N3NaO6S2
    Molecular Weight 760.87 g/mol
    Appearance Blue powder
    Solubility Soluble in water
    Color Index Number 62125
    Ph Aqueous Solution 5-7
    Chemical Class Anthraquinone dye
    Usage Textile dyeing and paper coloring
    Melting Point No data (decomposes)
    Synonyms Acid Blue AE, C.I. Acid Blue 120
    Uv Vis Absorption Maximum Approximately 630 nm

    As an accredited Acid Blue 120 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Blue 120 is packaged in a sealed, 500g high-density polyethylene bottle with a secure screw cap and hazard labeling.
    Shipping Acid Blue 120 should be shipped in tightly sealed, labeled containers, protected from moisture, heat, and direct sunlight. It must be kept away from incompatible substances and transported according to local, national, and international regulations for chemical safety. Handle with appropriate personal protective equipment to ensure safe handling during transit.
    Storage **Acid Blue 120** should be stored in a cool, dry, well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers. Keep the container tightly closed and properly labeled to prevent contamination and moisture absorption. Use corrosion-resistant containers, and handle with appropriate safety measures, including gloves and protective eyewear, to avoid exposure and environmental release.
    Application of Acid Blue 120

    Applications of Acid Blue 120 in Industrial Manufacturing

    Acid Blue 120 is widely used in specific coloring processes where high tinting strength and stability under acidic conditions are crucial. Below are key industrial application sectors and processing details where our quality-assured material supports standardized, efficient downstream manufacturing.

    1. Wool Dyeing and Textile Finishing

    Major wool dyeing mills formulate acid dye baths to achieve vibrant blue shades on woolen yarns and fabrics. Acid Blue 120 demonstrates excellent build-up, reproducibility, and migration properties with protein fibers, remaining stable during high-temperature dyeing and subsequent rinsing. Technical staff consistently rely on its fastness profile to minimize shade variation and meet international textile coloration criteria within batch and continuous processes.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals)
    • REACH Regulation (EU) No 1907/2006
    • GB/T 18401 National General Safety Technical Code for Textile Products (China)

    Typical usage ratio

    • 0.3%–2.0% owf (on weight of fiber), depending on depth of color; lighter pastel shades require 0.3%–0.7% owf while rich blues may approach 2.0% owf

    Downstream process integration

    • Direct addition to dye bath after acidification; applied during exhaustion dyeing stage under controlled pH (2.5–5.0) and temperature ramped from ambient to 98°C, followed by neutralization and softening

    Final product types

    • Dyed wool yarns and loose stock for knitting, weaving, and tufting
    • Piece-dyed woolen fabrics for apparel and home textiles
    • Blended protein-based textiles (e.g., wool-viscose blends)

    2. Silk and Polyamide Fiber Dyeing

    Silk finishing and polyamide (nylon) textile producers utilize this dye for strong, uniform blue tones on delicate fibers, capitalizing on its migration and levelness during short-liquor ratio dyeing. Close control of formulation, especially buffer selection and pH adjustment, is critical to avoid streaking and ensure compliance with banned substance lists across target export markets.

    Industry compliance standards

    • ISO 105 Textile Color Fastness Series
    • AFIRM Restricted Substances List
    • GB 31701 Safety Technical Code for Infants’ and Children’s Textile Products

    Typical usage ratio

    • 0.2%–1.5% owf; silk applications usually within 0.2%–1.0% owf, polyamide up to 1.5% for full shades

    Downstream process integration

    • Dissolved in aqueous solution then introduced at strike temperature (60–80°C for silk, 70–98°C for polyamide), after acid buffer and leveling agent addition

    Final product types

    • Piece-dyed silk scarves, ties, garments
    • Polyamide hosiery, swimwear fabrics, technical fibers

    3. Leather Drum Dyeing

    Leather tanneries adopt this dye in the drum dyeing phase to impart clear, intense blue hues on chrome-tanned bovine and ovine leathers. Specialists benefit from its strong penetration and uniform uptake, crucial for achieving consistent coloration across grain and split layers, while fulfilling global environmental and product safety standards.

    Industry compliance standards

    • EN ISO 17075-2 (Determination of Chromium VI in Leather)
    • Leather Working Group (LWG) Environmental Audit Protocol
    • EU Regulation 1907/2006 (REACH) Annex XVII – Restricted Substances

    Typical usage ratio

    • 0.5%–2.5% on shaved wet-blue leather weight; dosage tailored by substrate absorbency and shade depth specifications

    Downstream process integration

    • Added at the drum dyeing stage after neutralization and washing; pH adjusted to 4.0–4.5, dye distributed under mechanical agitation for 1–3 hours before fatliquor and finishing agents

    Final product types

    • Dyed upper leather for footwear
    • Finished garment leather
    • Vehicle and furniture upholstery hides

    4. Paper Coloration (Tissue and Specialty Grades)

    Paper mills producing tinted tissue and specialty grades add this dye during the stock preparation phase to introduce highly consistent blue tones, offering precise shade reproducibility under varying furnish and pH conditions. Quality managers select this colorant for its resistance to fiber fading during pigment sizing, subsequent calendaring, or surface coating operations.

    Industry compliance standards

    • EN 646 Food Contact Paper Color Fastness Standard
    • FDA 21 CFR 176.170—Components of Paper and Paperboard in Contact with Aqueous and Fatty Foods (for indirect food contact applications)
    • ISO 5269-1 Laboratory Sheet Preparation (testing and reproducibility)

    Typical usage ratio

    • 0.05%–0.2% dry weight basis; adjusted to furnish brightness and target color strength, typically lower for tissue, higher for art or filter papers

    Downstream process integration

    • Metered into the pulp slurry prior to headbox addition; combined with retention aids and sizing chemicals for stable color anchoring during sheet formation and drying

    Final product types

    • Tinted facial and toilet tissues
    • Pastel-colored art papers, napkins, stationery
    • Industrial filter and technical paper grades

    5. Liquid and Paste Ink Manufacturing for Markers

    Manufacturers in the marker and stamp ink sector use this dye for producing water-based blue inks intended for porous and non-porous surfaces. Formulation emphasizes solubility, compatibility with common humectants and surfactants, and fluorescence control to meet visibility or security specifications, especially in educational, office, and specialty marking applications.

    Industry compliance standards

    • EN 71-3 – Safety of Toys (Migration of certain elements - for children’s markers)
    • ASTM D-4236 Labeling of Art Materials
    • ISO 14145-1 – Specifications for Roller Ball Pens and Refills

    Typical usage ratio

    • 0.3%–1.0% by total ink weight depending on shade intensity and ink system (water-based, alcohol-containing, or glycerol-carrying)

    Downstream process integration

    • Dispersed in deionized water or mixed solvent during let-down stage, blended with performance additives, followed by filtration to eliminate micron-level particulates to ensure clog-free ink flow

    Final product types

    • Water-based highlighter and marker inks
    • Stamp pad inks
    • Industrial code marking and packaging inks

    6. Aluminum Anodizing Dyeing

    Metal finishing facilities employ this dye as a crucial component in the electrolytic coloring process following aluminum anodization. It provides strong, durable blue shades with high UV stability, addressing architectural and decorative requirements. Process engineers rely on its bath compatibility and pore penetration to secure uniform color layers while maintaining process control consistent with global quality certifications.

    Industry compliance standards

    • Qualanod Quality Requirements for Anodizing Aluminum
    • ISO 7599:2018 (Anodizing of Aluminum and Alloys: General Specifications for Anodic Oxide Coatings)

    Typical usage ratio

    • 0.05–0.2 g/L in dye bath; adjusted according to desired depth and thickness of oxide layer

    Downstream process integration

    • Added to the anodized aluminum dye bath post-electrolytic treatment; immersion times and dye concentration tightly monitored, followed by hot sealing to lock in color

    Final product types

    • Colored architectural aluminum extrusions (window frames, curtain walls)
    • Logo plates, consumer electronics housings
    • Automotive aluminum trim components

    Free Quote

    Competitive Acid Blue 120 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

    Acid Blue 120: Manufacturer Insights for Reliable Dyeing Performance

    Our Journey with Acid Blue 120

    Industry never stands still, and dyes keep evolving. For decades, we have produced Acid Blue 120 by understanding both the chemistry and the roots of textile and leather production. Acid Blue 120, with its signature strong blue tone and robust build, has become a standard choice in numerous mills and tanneries. Its full shade displays depth—without overpowering the core material. Through years of engineering and testing, we’ve fine-tuned the product to address daily production challenges that come up on the shop floor.

    Molecular Foundation and Batch Consistency

    The chemical backbone of Acid Blue 120 gives it high solubility in water and sharp affinity for protein fibers. We manufacture the dye with a molecular weight and purity profile matching industry benchmarks—ensuring no batch drift or unexpected dye behavior during actual processing. From start to finish, strict analytical tracking defines every shipment. Our experienced staff tracks each batch’s absorption strength using in-house UV-vis spectral fingerprinting and colorimetric benchmarks calibrated on real equipment used by textile and leather finishers. This foundation keeps results steady for bulk and specialty runs.

    How Acid Blue 120 Works in the Real World

    Silk, wool, nylon, and even blended fibers take on Acid Blue 120 with direct, vibrant color tones. Hand feel stays unaltered because we focus on a clean synthesis route that leaves low levels of ionic salts and organic residuals. With leather, the dye penetrates smoothly, bringing clarity to both finished and semi-finished hides without color breaks across the grain. Clients in India, Turkey, and Brazil have reported that our Acid Blue 120 manages repeat jobs—like school uniforms, sports jerseys, and glove leathers—without unwanted hue drift or excessive washing off, even after stress tests involving hot water and detergent cycles.

    Where the Dye Makes a Real Difference

    Acid Blue 120 stands apart in continuous dyeing and batch dyeing of wool and polyamide fabrics. On polyamide, our dye delivers richer, cleaner blue compared to old-generation triphenylmethane-based blue dyes. Synthetic blends welcome it because it holds fastness during scouring and heat stretching. In carpet yarns, customers adopting our dye have achieved faster leveling and shorter wash-off times. Tanners appreciating even blue shades on goat, sheep, and bovine skins highlight the fixing strength, which translates into reduced back-staining in finishing processes.

    Beyond Numbers: What Experience Teaches

    We invest heavily in feedback loops with dye houses because color matching never comes down strictly to lab figures. Everyone in our team—from research chemists to logistics crew—understands what a delayed batch, shade inconsistency, or batch-to-batch color drift does to customer confidence. High-performance dyestuffs alone do not secure repeat business. Fast turnaround, technical clarity, and transparency in supply work together with the raw product. Acid Blue 120, tested through these real shop-floor realities, brings in feedback every season. We tune process conditions using this data and keep running in-plant trials to spot and correct any trending issues before large-scale production.

    Practical Specifications from an Operator’s View

    Our Acid Blue 120 features a C.I. Number of 26360 and comes in powder and microgranular formats. Each format differs in handling: powders suit conventional batch additions using dry feed/dissolve tanks, while microgranules flow cleanly through automated dispersing and metering systems—saving hours in large operations. Water-soluble character is checked hands-on for each shipment, so operators experience fewer clogging or settling problems during long dye cycles. With a pH working range between 2 and 6, Acid Blue 120 adapts to normal acid dye application processes well, with strong exhaustion and minimal color bleeding.

    Performance on Textiles and Yarns

    Competitive mills, especially those producing school and airline uniforms, rely on Acid Blue 120 because it shows excellent migration on polyester blends and tight plied yarns. ASTM and ISO testing over the years confirm high wet fastness and light fastness values above 4, satisfying most institutional and export standards. Shade build-up allows for rich navy, royal, and turquoise tones without extra dosing compared to less advanced blue acids. Emergency re-runs for color repair, a frequent annoyance in some mills, finish faster due to predictable tone repeatability. These strengths, proven across thousands of dye pans and winch reels, mark the difference between high-volume production slowdowns and seamless operations.

    Fastness Properties and After-Treatment

    Wash, light, and rubbing fastness always become the main checks before bulk production starts. Our Acid Blue 120 earns top marks in laboratory dyeing trials across Eurasian and American finishing plants. When paired with standard acid fixatives, it resists color migration even on tough blends like wool-polyester and recycled nylon. For heavy-duty items such as gloves, workwear, or military gear, the dye resists scuffing during downstream UV and mechanical tests. Where typical blue acid dyes bleed out in hot soft water or low-salt rinses, ours holds color integrity well past minimum buyer specs.

    Differences from Similar Acids and Market Alternatives

    One of the big questions customers ask is why Acid Blue 120, not Acid Blue 62 or 113. We see three main reasons. First, the color profile of 120 offers less violet or green shift under high concentration, which simplifies shade matching in vertical-mill setups. Second, acid blue 120 resists discoloration from heavy-metal traces, which can plague lower-purity dyes. Third, many users report easier removal of unfixed dye on continuous machines, speeding up production. If a customer switches from triphenylmethane-based blue dye, they usually find less crocking and cleaner shade reproduction. Our in-house trials repeatedly show a strong edge over blue dyes that generate excessive foam or ionic byproducts. These details only show after hundreds of cycles, but the long-term payoff matters for demanding customers.

    Tuning and Process Optimization from the Manufacturer’s Side

    Fine-tuning dye processes is a daily task at our facility. We keep open channels with technical teams inside spinning, weaving, and finishing plants. Most production headaches result from inconsistent rinse-down, migration issues in blended yarns, or over-concentration on re-dye cycles. To tackle this, we’ve worked out standard recipes tested in both lab and commercial-scale machines: High liquor-to-goods ratios, stepwise salt addition, and pH-balance checks using real-time monitoring stand out. We share these methods with partners through openly documented protocols and regular on-site troubleshooting.

    Environmental Safety and Green Production

    Wastewater is an important focus. Our Acid Blue 120 uses cleaner starting materials with minimized halogen, nitro, and metal residues. This cuts down on hazardous effluent after dyebath discharge. On site, closed-loop water recovery and active carbon filtering catch trace dye before water returns to municipal treatment. While no dye is magic, cleaner synthesis means local regulators now accept our acid blue for regular municipal discharge after routine treatment, unlike older dye types that trigger shutdowns. Eco-label audits inspect random samples for trace byproducts and find our batches within approved levels for most certifications. Cleaner output and real environmental protection keep our product viable as closing regulations tighten.

    Supporting the Technical Community

    Large manufacturers depend on more than just high-purity dyes—they need process clarity and risk control. We share decades of dyeing trials—on everything from Turkish wool broadcloth to Indonesian batik—with mill development staffs. Training sessions, hands-on troubleshooting, and knowledge transfer workshops run side-by-side with technical bulletins so every client feels confident in application changes or new end-use projects. We keep a continuous loop between production floor and research—sending plant issues back to lab for solution and confirming every fix before full-scale adoption.

    Reliability Backed Up by Long-Term Manufacturing

    Quality comes down to raw materials, people, and process discipline. Our raw acid blue powder and granules pass three rounds of checks—instrumental and visual—before release. Each crew member, from synthesis to packaging, works under documented standard operating procedures forged from years of real field feedback. Our plant runs 24/7 for major markets, but never at the cost of skipping batch reviews or final color confirmation. We keep pilots running daily, running both large and small lots to guarantee matching and performance at any volume.

    Challenges and Solutions for Changing Market Needs

    Demand for more sustainable, shorter-run dyeing grows every year. High-volume orders from woolen suiting mills have shifted toward more flexible, small-batch color runs for boutique brands and technical textiles. We updated our blending and packing lines to respond quickly, enabling small-lot orders and rapid shade customization without cross-contamination. Powder and granule mixing stations operate under dust-controlled environments, adding to cleaner, safer working conditions for plant staff. For customers facing last-minute spec changes, our batch tracking and color prediction software allow us to pinpoint and replicate even hard-to-fit dye lots on demand.

    Partnering for Performance and Peace of Mind

    No technical advantage lasts without staying tuned to end-user experience. Every owner, dyemaster, and plant manager depends on reassurance their material won’t let them down mid-cycle. We never just ship and forget—we keep support engineers on call, supplementing our product with years of process advice, fix solutions, and troubleshooting. Large accounts gain from tailor-made technical files and on-site help, while smaller finishing houses depend on our fast response and clear, practical guidance during line start-up. We learn as much from their floor problems as they do from our lab notes.

    Refining the Product Continually

    Every batch of Acid Blue 120 integrates learning from customer challenges—sometimes shifting crystal form for storage stability, sometimes tuning particle size for automated dosing. Raw material supply fluctuations sometimes demand alternate purification or synthesis tweaks. Even under pressure, our customers’ core needs—consistency, color depth, process safety—never change. We run ongoing cross-checks with European and Asian labs to confirm full compatibility and performance against competitor brands and emerging dye standards.

    Real Customer Scenarios

    In one South Asian mill, switching to our powder format cut cycle times by a third—eliminating both undissolved residue and irregular shade flaws that cost them rework fees in the past. A Central European producer of ceremonial robes replaced three blue acid dyes with a single Acid Blue 120 batch, meeting shade specs and boosting fastness ratings to retain a critical contract. A footwear tannery cut back-staining losses by 25 percent through technical advice we offered on dyebath pH management and rinse-down flow, saving product and water. These are not isolated wins but steady proof that technical engagement plus chemical know-how leads to real improvements for both us and our clients.

    Outlook on Regulatory and Market Trends

    Stringent safety and labeling requirements shape modern dye manufacturing. Global buyers, particularly from North America, EU, and Japan, expect predictable certified chemical composition—down to the last microtrace of any restricted substance. Over the last five years, we invested in updated analytic labs and compliance testing, sharing every data sheet and change log openly with customers. Trust builds business. Regulatory reviews cover our intermediates, final product, and effluent management, meeting or exceeding major third-party certifications. Our Acid Blue 120 production is now regularly audited for REACH, OEKO-TEX, and ZDHC lists, with ongoing updates to stay ahead of shifting compliance targets.

    Looking Ahead: Innovation Based on Experience

    Modern dyehouses want more than just a blue acid dye—they want assurance with every run, every fiber, and every customer promise. Having built and refined Acid Blue 120 over many years, we see customer needs focusing more on short-lead color runs, customized blends, and minimal production risk. We meet these trends by pairing our manufacturing experience with ongoing R&D and tight customer feedback loops. Whether producing for classic navy wool, technical polyamide blends, or eco-conscious tanneries, we keep one focus: producing acid blue 120 that stands up to the toughest floors, the fastest machines, and the most exacting brands in the world.