Blue 2B 300

    • Product Name: Blue 2B 300
    • Alias: Indigo Carmine
    • Einecs: 215-615-7
    • 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 535386
    Product Name Blue 2B 300
    Color Index CI Pigment Blue 83:1
    Chemical Class Anthraquinone
    Physical Form Powder
    Shade Blue
    Cas Number 35325-51-6
    Molecular Formula C32H16Cl4N8O2
    Lightfastness Excellent
    Heat Stability Up to 300°C
    Applications Plastics, coatings, inks
    Oil Absorption 55-65 g/100g
    Bulk Density 0.35 - 0.50 g/cm3
    Ph Value 7.0 - 8.0

    As an accredited Blue 2B 300 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging of Blue 2B 300 features a sturdy 25 kg blue drum with a sealed lid, labeled with safety and usage details.
    Shipping **Blue 2B 300** should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Ensure compliance with local and international regulations for chemical transport. Label packages clearly with hazard information. Handle with care to avoid spills, and provide appropriate documentation, including Safety Data Sheets (SDS), during shipment.
    Storage **Blue 2B 300** should be stored in a tightly closed container in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers. Ensure the storage area is equipped with appropriate spill containment and clearly labeled. Avoid excessive dust generation, and keep away from food and drinking water to prevent contamination.
    Application of Blue 2B 300
    Purity 99%: Blue 2B 300 with 99% purity is used in textile dyeing processes, where it delivers vibrant and uniform coloration. Viscosity Grade 120 cP: Blue 2B 300 with a viscosity of 120 cP is used in inkjet formulations, where it ensures consistent print quality and smooth jetting performance. Molecular Weight 350 g/mol: Blue 2B 300 at a molecular weight of 350 g/mol is used in water-based coatings, where it promotes stable dispersion and improved surface adhesion. Melting Point 180°C: Blue 2B 300 with a melting point of 180°C is used in plastic manufacturing, where it maintains color fastness during high-temperature extrusion. Particle Size 2 µm: Blue 2B 300 with a particle size of 2 µm is used in pigment preparations, where it offers enhanced opacity and even distribution in formulations. Stability Temperature 150°C: Blue 2B 300 with stability up to 150°C is used in automotive finishes, where it ensures retention of color intensity under heat exposure. pH Stability 6–8: Blue 2B 300 stable at pH 6–8 is used in aqueous ink systems, where it prevents color shift and precipitation during storage. Water Solubility 55 g/L: Blue 2B 300 with water solubility of 55 g/L is used in paper dyeing, where it delivers rapid and thorough fiber penetration. Lightfastness Grade 7: Blue 2B 300 with lightfastness grade 7 is used in outdoor coatings, where it provides long-term resistance to UV-induced fading. Residual Solvent <0.1%: Blue 2B 300 with residual solvent below 0.1% is used in pharmaceutical packaging, where it guarantees compliance with safety and purity standards.
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    Competitive Blue 2B 300 prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8618136850665

    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Blue 2B 300: Redefining Pigment Performance for Real-World Demands

    Years of Formulation Experience Behind Every Batch

    Manufacturing goes deeper than pouring ingredients into a vessel and pressing a button. At our plant, lessons stack up over decades and each trend in pigment technology shapes the way we mix, cure, and finish every lot. Blue 2B 300 grew out of dozens of iterative changes—processes that began with raw material purity and tracked every single variation down the line, long before our first shipment left the warehouse. In our own lines, a pigment only earns a model name after it proves reliable in mixes, resists shifting in the vat, and keeps true color down the customer’s production line.

    Consistent Shade, Reliable Chemistry

    One of the earliest tests our lab team runs is on color drift. Earlier blue batches in the industry carried problems—one batch could lean toward green, another might come out too dull. Blue 2B 300 leaves no doubt about its hue; our technicians profile each lot’s shade indices with industry-calibrated equipment. We don’t chase arbitrary numbers. Instead, we compare benchmarks to real-world blends used in pigments for plastic, ink, and coatings. If a sample doesn’t match our reference standard within a tight tolerance, it never moves to the next processing step.

    Purity matters—not only for color brightness but also for downstream operations. Our team has solved plenty of production line stoppages in our customers’ plants where cross-contamination from metal traces in lesser grades slowed processes or clouded finished goods. Blue 2B 300 maintains one of the lowest contaminant profiles among blue pigments in our region because we buy our base chemicals directly from tried-and-tested suppliers, most of whom we’ve partnered with for over fifteen years. That continuity in our sourcing helps ensure every lot’s chemistry arrives stable and ready for consistent use.

    Granule Structure for Modern Demands

    Dry process lines are unforgiving; flow, dispersion, and caking all matter in bulk storage and pneumatic transfers. Blue 2B 300 was optimized in our mills to avoid the sticky fines and clumping problems common in earlier blues. Technicians at our mill monitor both mesh distribution and moisture affinity across production runs, using real production mixers and blenders rather than just bench-top tests. This hands-on approach means the granule profile suits both high-shear and low-shear applications, whether a customer runs a small-batch specialty ink or a high-output polyolefin masterbatch.

    We’ve paid close attention to the demands of extrusion and compounding after feedback from film and fiber producers who struggled with pigment streaking or uneven dispersion. With Blue 2B 300, testing verified a reduction in nozzle buildup and color banding, particularly in automotive trim and high-gloss extrusion scenarios. Every improvement sprang from either our own in-house lines or direct discussions with partners handling daily blending issues.

    Handling, Safety, and Real-World Compatibility

    Our team believes a product isn’t just its chemical code but also the accumulation of all those little handling improvements that make a difference on the floor. Blue 2B 300 arrives in dust-reducing packaging because we witnessed too many operators struggling with pigment cloud and respiratory exposure. Forklifts and warehouse staff no longer face the same clean-up headaches with this grade. Our technical service team worked with local packaging specialists to design bulk sacks and liners that better protect the pigment without adding unwieldy waste streams.

    From a safety perspective, lab monitoring checks emission behavior in thermal applications more closely than general pigment suppliers. Some blue pigments from smaller producers still off-gas trace odors or vapors during high-temperature work. Blue 2B 300 stands out for its predictable character in injection, compounding, and high-cure print environments. Regular internal checks for heavy metals and banned substances ensure alignment with modern regulatory rules, verified through up-to-date certifications and random-sample audits.

    Mixing and Downstream Applications

    Developing universal compatibility can’t be done by guesswork. We spend hundreds of hours each year supporting pilot-scale trials in paint, resin, and ink plants. Teams running automotive coatings report fewer pigment tailings and fewer filter changes when formulating with Blue 2B 300 compared to earlier grades or imported pigment versions. In offset and gravure printing, pressrooms benefit from quick pigment wetting and break-down, so longer runs demand less downtime.

    Polymer processors have noted that Blue 2B 300 keeps its tint strength intact even through multiple thermal passes. That means less shade drift and more accurate color-matching for complex products, especially in applications like toys, containers, and textured surfaces. In blow molding and film work, the pigment demonstrates low plate-out and resistivity to static. These details all spring from field experience—every tweak reflects something learned on a real running line, not a theoretical benefit imagined in a marketing document.

    Difference from Conventional and Commodity Blues

    Many processors who switch to Blue 2B 300 ask about the differences between our product and standard commodity grades sourced from spot traders or multi-use pigment blenders. The gap gets clearer as volume grows or as customers require tighter tolerances. Standard blues drift more in both shade and tint over repeated purchases. That unreliability forces buyers to make batch-specific color adjustments, which costs both time and raw materials.

    Our direct manufacturing approach lets us synchronize particle morphology with the specific needs of both high-surface-area and low-surface-area applications. That’s not possible when a trader consolidates pigment powder from several factories, each with small but meaningful recipe changes. Blue 2B 300 emerges from production lines that run only our grade-specific process settings, so the final lot matches the technical data each time. This approach reduces supplier headaches—customers don’t get blindsided by off-specification shipments or hidden formula variation.

    Another key divide is shelf life and long-term storage. Many blue pigments from resellers suffer from humidity creep or granule caking by the time they land at a converter’s plant. We learned, especially during monsoon seasons, that shipping pigments directly from manufacturing doors with humidity-control protocols builds trust and results in fewer customer complaints. Blue 2B 300 goes through double-sealed packing sessions and regular warehouse audits. Our storage disciplines came from real-world lessons learned handling thousands of tons through sticky summers and cold snaps.

    Feedback from multinational converters has helped us focus not just on the pigment itself, but on lifecycle support. They pointed out that with generic pigments they often run into inconsistencies between pack lots or struggle with outdated regulatory paperwork when sourcing cross-border. Our plant maintains batch-level records, technical advisory, and compliance documentation that makes every movement traceable, whether a customer is lifting a few bags or a multi-container shipment.

    Supporting Advances in Sustainable Process

    Global supply networks keep tightening, especially for extractives and minerals. During the last decade, we've invested in supply chain security for Blue 2B 300 to reduce exposure to material volatility and traceability gaps. Our raw chemical suppliers submit source documentation, and we update our process controls to align with changing region-of-origin rules, especially for REACH and export compliance. We also monitor emissions across our own processes—not just aiming for product quality but also tightening VOC and dust controls in manufacturing cells.

    Our technical team constantly works alongside customers exploring water-based dispersions, low-VOC coatings, and new generation resins. Every customer pilot program becomes a collaboration, with our R&D chemists providing firsthand feedback to tweak pigment particle size or treatability based on the customer’s exact plant setup. We don’t just sell a drum or a sack; we stay present through those scale-up hurdles. That is why Blue 2B 300 meets performance needs in everything from conventional solvent applications to emerging bio-based media.

    Understanding Challenges in Modern Manufacturing

    Globalization exposed a lot of cracks in pigment supply chains. A few years ago, tidewater shipping disruptions meant that pigment buyers who relied on complex, multi-stop chains sometimes waited weeks longer for a single batch. Blue 2B 300’s direct-from-source manufacturing model buffered our clients from these whiplashes. With full control from raw intake to final QC release, we can re-time batch completions, adapt to shipment delays, and support just-in-time inventory requests much faster than those relying on outside fill-in partners.

    Some pigment houses offer only the standard granule or flake cut. We built our processing area to handle tailored particle sizes for specialized customer equipment, based on conversations with plant teams struggling with filter blockages or pigment lock during line switchover. If a customer requests a different cut profile to help with dispersing in a printable film or anti-settling in a high-viscous composite, we collaborate directly, sharing data and iterating quickly. Our technical sales team includes longtime plant operators and pigment mill experts who spent years on the shop floor themselves. This first-hand knowledge shapes how we resolve challenges—questions never bounce around unrelated departments.

    A finished pigment needs to perform not just in controlled lab tests but also at full industrial scale, with the same stability after months of storage or multiple site transfers. We invest heavily in product and application research—running seeding trials, live production tests, and batch audits. Many of our changes start as one-off fixes for a specific customer scenario: a color mismatch triggered by substandard mixing, or a reduction in dust spillover during pneumatic transfers. Only after repeated success across application types does a process become part of our Blue 2B 300 manufacturing standard. Even our quality control measurements trace back to those real applications—if a particle size distribution doesn’t work on a customer's high-shear tank, we re-calibrate our process.

    Market Feedback and Continuous Improvement

    Many customers see us as more than a pigment source—they rely on our hands-on help solving new color and loading issues as product requirements shift and new regulations emerge. Blue 2B 300 attracted a wave of attention from ink makers, who needed to push drying times lower without sacrificing coverage. Formulators working in PVC and polyolefins appreciated how color intensity persisted across repeated compounding cycles, holding up even after multiple color changes. These gains came only after working closely with their plant teams.

    We salt away every lesson, whether from a major multinational or a smaller local operation running a handful of tanks. Every time they call us in after an off-color lot or unexpected interference, we put hands on equipment and samples. That’s why Blue 2B 300 not only meets stated specifications but delivers a margin of safety for edge-case applications—double-checking compatibility, assessing foaming risks, and reviewing real mixing speeds.

    In the last years, with new green policy frameworks rolling out, we see regulatory offices ask not just for chemical compliance but also process and lifecycle transparency. Our customers report that audits run smoother once they switch from fragmented pigment sourcing to our model. Our production records integrate traceable input sources, batch integrity, and emissions documentation. This helps converters both demonstrate compliance and trust that their supply chain won’t become a risk later down the road.

    Looking Beyond the Certificate

    Trade shows and forums sometimes turn pigment conversations into a barrage of claims. But over the years, we have seen customers judge a pigment by far more than a technical sheet. Does it work without fuss at scale? Does it cut downtime and maintenance? Does its supplier offer meaningful advice grounded in plant reality?

    Every tank, batch, and bag of Blue 2B 300 reflects a direct link between customer experience and factory floor. Our focus tracks daily operations: fast changeover, smooth mixing, and a lack of unpleasant surprises from shipment to application. With every feedback round and troubleshooting visit, our team incorporates changes that shape not just the pigment’s chemistry but also the way it reaches your line.

    In focusing on quality and practical reliability, we keep Blue 2B 300 at the center of new market demands, giving processors a genuine edge in both performance and operational resilience. That’s what sets it apart—not just the numbers rolling off an analyzer, but the consistency of support, the focus on problem-solving, and the knowledge that an experienced team stands behind each shipment, ready to address both daily needs and tomorrow’s challenges.

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