Acid Blue N2G

    • Product Name: Acid Blue N2G
    • Alias: C.I. Acid Blue 25
    • Einecs: 236-368-6
    • 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

    248601

    Product Name Acid Blue N2G
    Synonyms Acid Blue 93
    Chemical Formula C37H34N2Na2O9S3
    Cas Number 2861-02-1
    Appearance Blue powder or granules
    Solubility In Water Soluble
    Molecular Weight 792.85 g/mol
    Dye Class Acid dye
    Main Usage Textile dyeing
    Application Ph Range 2-5
    Light Fastness Moderate
    Storage Conditions Store in a cool, dry place
    Colour Index Number 42640

    As an accredited Acid Blue N2G factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Blue N2G is supplied in a 500g sealed HDPE bottle with a screw cap, featuring hazard symbols and product labeling.
    Shipping **Acid Blue N2G** should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture, heat, and direct sunlight. Label all packages according to relevant chemical shipping regulations. Ensure compatibility with other stored substances and provide appropriate documentation including safety data sheets. Handle with care to avoid spillage or contamination.
    Storage Acid Blue N2G should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers and acids. Keep the storage area free from moisture and sources of ignition. Clearly label all containers and ensure spill containment measures are in place to prevent environmental contamination.
    Application of Acid Blue N2G

    Purity 98%: Acid Blue N2G with 98% purity is used in cotton textile dyeing, where it achieves uniform and high-intensity coloration.

    Solubility 30 g/L: Acid Blue N2G with solubility of 30 g/L is used in wool fiber processing, where it ensures rapid penetration and reduced cycle times.

    Light Fastness Grade 5: Acid Blue N2G of light fastness grade 5 is used in silk apparel manufacturing, where it provides superior resistance to color fading under sunlight exposure.

    Molecular Weight 491.43 g/mol: Acid Blue N2G with molecular weight of 491.43 g/mol is used in aqueous ink formulations, where it enhances print clarity and color consistency.

    Stability Temperature 80°C: Acid Blue N2G stable up to 80°C is used in leather dyeing processes, where it maintains dye integrity and color uniformity during heating stages.

    Particle Size <20 µm: Acid Blue N2G with particle size below 20 µm is used in paper coating applications, where it enables smooth surface coverage and reduced sedimentation.

    pH Stability 2-6: Acid Blue N2G with pH stability range of 2 to 6 is used in industrial detergent coloring, where it retains color intensity in acidic formulations.

    Melting Point 240°C: Acid Blue N2G with melting point of 240°C is used in heat-set printing inks, where it prevents thermal decomposition during curing.

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    Certification & Compliance
    More Introduction

    Introducing Acid Blue N2G: Crafting Quality and Value in Textile Dyes

    At our manufacturing facility, the process behind every batch of Acid Blue N2G combines science, hands-on expertise, and years of direct industry experience. For textile operations searching for deeper blue shades that don't fade under real-world wear, this product proves to be a daily workhorse. Acid Blue N2G owes its wide popularity in dyeing to a balance: it brings a robust color yield while still allowing easy rinsing during post-process washing. For us, the feedback from dyeing engineers in both cotton and wool finishing lines drives regular tuning of our product parameters. Meeting demands from both large-volume mill customers and specialized textile studios requires attention at every production step.

    Acid Blue N2G belongs to the group of acid dyes known for their affinity to protein fibers. Much of the industry sees this colorant as a staple for wool, nylon, and silk, but we've worked with partners who push it further into blends or modified cellulose applications. The model recognized as Acid Blue N2G features intense blue tones that range from bright turquoise to dense navy, depending on bath concentration and pH management. We formulate each batch to target key purity requirements, looking for consistency in tone under both daylight and artificial lights. Workers in our plant understand that textile producers depend on the repeatability of every drum delivered—minimizing risk of mismatched shades or batch rework in the end-user’s dye house.

    Why Quality Control Sets This Product Apart

    Many customers have asked what makes our Acid Blue N2G stand out in a market flush with similar blues. The answer is not just in the chemical structure but in how each step—from raw material selection to final drying—gets verified by teams who’ve spent years troubleshooting textile production issues. We maintain control over every input, rejecting batches that show even slight deviation in metallic impurity levels. Testers regularly scan finished powder through both instrumental methods and hands-on trial dyeing with actual wool and nylon swatches. Years ago, we found that even minor changes in granulation method could affect dissolution speed, with slow-dissolving powders leaving specks on high-count yarns. Addressing this required investment in upgraded blending equipment and a shift in particle treatment protocols. That wasn’t a quick fix, but the result is a blue dye that disperses quickly and fully, reducing risk of staining or unevenness.

    The market often chases the lowest price per kilogram, sometimes overlooking the true total cost when cheap, low-purity dyes create problems in the finishing line. Mill operators know well the headaches from clogged filters or unexpected tint shifts during pH adjustment cycles. We learned over time that investing in purification and batch consistency brings down those hidden costs for customers. Fewer machine stoppages, less off-spec product, and reduced need for rework paint a truer picture of product value. That’s why customers have trusted us over repeat orders, pointing to reduced downtime and more predictable output from their shop floors.

    Application in Callous Real-World Environments

    Factories that dye wool and nylon at scale face constant pressure to deliver consistent batches, even when input materials change and environmental controls fluctuate. Acid Blue N2G seldom shies from tough production parameters. In low liquor ratio jet-dyeing or traditional hank immersion, this product’s excellent bath exhaust rate ensures efficient dye take-up. Thanks to our formulation improvements, colorists have gained more control in matching lab dips to production runs, an area where unpredictable shade development used to frustrate both buyers and shop floor staff. Our R&D teams examined the causes of shade drift over hundreds of field tests, eventually tweaking our salt composition and grind specifications to unlock more even strike rates in full-scale machines.

    Wool garment finishers, in particular, have praised this product’s high lightfastness ratings, often exceeding the benchmarks set for activewear and outdoor textiles. Garments that pass through city laundries or endure sun exposure on drying lines hold their blue hue, reducing customer complaints and warranty returns. We’ve seen lower rates of surface staining on synthetic blend fabrics as well—an ongoing challenge for plants integrating spandex or polyamide with natural fibers. Acid Blue N2G’s low migration tendency after setting reduces risk that non-uniform patches appear, which has been a common fault with several competitor dyes flooding the market at lower price tiers.

    Comparison with Other Acid Blues in the Market

    Choosing among the broad spread of acid blues available today is a task best handled with a clear understanding of both technical requirements and hidden application realities. Dealers routinely group Acid Blue N2G alongside Acid Blue 113, 62, or 9. Yet experienced dyers tell a different story: not all blues handle pH shifts and temperature swings equally. Over our years in production, Acid Blue N2G has shown superior batch transfer at both high and low temperatures. For operations unable to guarantee precise heating or perfect bath control, this reliability translates into tangible production security. The color remains steadfast and even, where some alternatives lose vibrancy or shift toward off-tones during pH drifts.

    We’ve benchmarked our Acid Blue N2G in side-by-side factory trials against several widely used acid blues. In many settings, Acid Blue 113 tends to deliver slightly redder undertones, which can cause mismatched shades if recipes switch back and forth. Acid Blue N2G brings a more neutral blue suitable for mainline menswear, uniforms, and children’s apparel that demands tight color specifications. Furthermore, our purification process results in a noticeably lower ash content, minimizing sludge build-up in dye machines and prolonging maintenance cycles. Teams using competitive products with higher inorganic residue often face unplanned downtime for descaling pipes and jets—a burden our clients report as nearly eliminated after transitioning to Acid Blue N2G.

    Drum-to-Drum Consistency: From Our Floor to Yours

    We’ve observed that users switching from products sourced through traders or packaging-only companies often struggle with inconsistency from one drum to the next. Because we control every manufacturing step and perform on-site quality tests, we reduce the variables that contribute to lot-to-lot variation. Before each shipment, our team blends samples from across the finished batch and runs real-world dye tests—checking not only color depth and clarity but also residue after washing. In one case, a long-standing customer in Eastern Europe shared their records, showing a sharp drop in off-shade returns after changing to our product, compared to previously sourced blue dyes of similar price and chemistry. Their experience is not isolated; we hear time and again that stable quality saves both time and money on the factory line.

    Consistency extends beyond chemical analysis. Feedback from heavy users led to ergonomic changes in our packaging, making it easier for operators to safely handle and measure powder volumes. Knowing the practical reality of hard-shift work in dye houses, we redesigned the container seal and measured opening force, so even with gloves or damp hands, operators can open drums without tool use. Subtle workflow tweaks like this grew from long-standing customer relationships, involving direct plant visits and side-by-side trials—never just email surveys or surface-level research. We value these interactions as much as any lab metric.

    Environmental Footprint in Today’s Textile Supply Chain

    Modern production demands that dye manufacturers take responsibility for the broader impact of their output. Our Acid Blue N2G benefits from a closed-process water recycling loop added to our facility several years ago—an investment that cut effluent discharge by over 30 percent without raising batch variability. We’ve tackled emissions and solid waste through both equipment modernization and steady monitoring. Many large apparel brands now ask suppliers for detailed disclosures about dye sourcing, and during audits, our traceability records provide proof of both compliance and active improvement. Internally, each batch gets traced from raw material intake through process and shipment, supporting both customer due diligence and regulatory requirements in export markets.

    A recurring challenge for any dye plant is reducing auxiliary chemical use without undermining color performance. For Acid Blue N2G, our research focused on optimizing auxiliary compatibility, so users don’t have to overcompensate with extra dispersants or buffers. These efforts reduce both costs and total chemical load in spent dye baths. Plant engineers watching their water treatment bills appreciate the change, as does downstream biodiversity. Wastewater samples analyzed after switching to our product show a drop in residual heavy metals, due mainly to input screening and refining during powder formation.

    Health, Safety, and the Ever-Tightening Regulatory Landscape

    Worker safety holds as much importance for us as it does for our downstream partners. Acid Blue N2G meets all local and international safety norms, going through regular toxicological review and dust-handling risk assessment. We keep in close conversation with customer HSE teams, making sure product changes never lead to surprises on their safety audits. To reduce inhalation and contact irritation risk, our powder granulation has been tuned for minimal airborne drift during weighing and mixing. Real-world testing inside local mills confirmed that fine dust levels dropped after changing over to our newest drum fill line, as did reports of skin irritation among operators working extended shifts.

    Global expectations continue to rise, with apparel exporters facing frequent updates to restricted substance lists and environmental protection rules. Our in-house regulatory specialists monitor these changes, linking up with industry working groups and certifying labs. Transparency is built into our batch records and certificates, uploaded to digital platforms for fast retrieval during customer audits. The steady implementation of these processes reassures brands and factories alike, reducing delays in order approvals and shipment clearances.

    Research, Process Improvements, and Customer Collaboration

    The evolution of Acid Blue N2G at our plant did not rest with original process recipes from decades ago. Our technical team continues to improve formulation, driven by both in-house chemical studies and direct input from long-standing users. Years of feedback have pushed changes in particle treatment, stabilization agents, and blending order. The research team works closely with plant operators, reviewing real production trends rather than relying only on textbook theory.

    Through open dialogue with customer technical leads, we’ve adjusted process parameters that were never apparent in isolated lab work. In response to recurring reports of slow wetting in closed dyeing machines, for instance, process engineers altered temperature ramp rates and batch flow models. By testing performance on both flagship automated lines and manual batch setups, we achieved consistent exhaustion rates, even for plants running old hardware. Problems encountered in the real world often uncover raw edges in any product development plan. Over the years, these field-driven improvements have brought tangible benefit, from faster cycle times to fewer shade mismatch claims on finished garments.

    Supply Chain Security and Real-World Delivery

    Recent years tested the robustness of chemical supply chains like never before. Material shortages, shipping disruptions, and shifting regulatory pressures made predictable deliveries tough for many in our sector. Throughout this period, we adapted quickly, keeping inventory flexible and open lines of communication with both upstream suppliers and end-users of Acid Blue N2G. Our production schedules allow for quick ramp-ups to meet surging demand, while buffer stocks at regional hubs protect customer inventory from the unpredictability of global logistics. Where delivery interruptions did occur, customers reported fewer production stoppages than those using secondary sources, due in part to the stability and consistency of our planned shipments.

    Bigger operations sometimes require large-volume deliveries on tight timeframes, while smaller mills need reliability over months-long intervals. We run multiple production scales to cover both scenarios without sacrificing product quality. The team believes in building relationships through actual production resilience, adjusting to meet customer needs as supply chain landscapes shift. Committing to timely, accurate delivery shapes the reputation of any chemical manufacturer, and we protect this value by working closely with transportation partners and monitoring every freight handoff until goods reach the customer’s receiving dock.

    Real Value Beyond the Label

    As a manufacturer, we measure the worth of Acid Blue N2G not in pounds produced each month, but in results seen on the factory floor and in finished garments reaching the end consumer. Quality, reliability, and support only come from years spent in the trenches with textile producers, responding to the challenges of unpredictable cotton supplies, evolving fiber blends, and tightening product standards. Listening to what end-users actually meet day-to-day—and responding with tangible changes—does more to build value than any marketing flyer or standard product description. Product strength rests on technical backbone, but its real merit shows up in fewer rejected batches, shorter machine downtimes, and strong support during audits and certification rounds.

    Textiles stand as an industry where shade accuracy, durability, and cost pressure intersect in complex ways. Our Acid Blue N2G finds its strength in living up to these real-world demands: offering both vibrant, stable color and the peace of mind that reliability and compliance bring to plant managers and line operators. When supply chain or quality problems threaten production, experience and a hands-on approach from us as manufacturers make the difference between guesswork and confidence. Our door remains open to customer questions, challenges, and the continuous process of improvement. Acid Blue N2G embodies that philosophy, growing better every year through shared industry effort.

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