Yudu County, Ganzhou, Jiangxi, China sales3@liwei-chem.com 748718781@qq.com
Follow us:

Pigment Orange 13

    • Product Name Pigment Orange 13
    • Chemical Name (IUPAC) 4-[(4-anilino-3-methylphenyl)azo]-3-methyl-N-phenylbenzenamine
    • CAS No. 3520-72-7
    • Chemical Formula C32H24Cl2N8O2
    • Form/Physical State Powder
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    602345

    Cas Number 3520-72-7
    Chemical Class Azo Pigment
    Color Index Pigment Orange 13 (C.I. 21110)
    Molecular Formula C32H24Cl2N8O2
    Appearance Orange powder
    Density 1.4–1.6 g/cm3
    Oil Absorption 35-45 g/100g
    Lightfastness Good (Rating: 6-7)
    Heat Resistance Up to 180°C
    Melting Point No melting, decomposes above 300°C
    Solubility In Water Insoluble
    Ph Value 6.0–8.0 (aqueous suspension)
    Specific Surface Area 25–40 m2/g
    Main Uses Plastics, paints, inks, coatings

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

    Packing & Storage
    Packing Pigment Orange 13 is packaged in a sealed 25 kg kraft paper bag with inner polyethylene lining, labeled with product and hazard information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Pigment Orange 13: Typically 12 metric tons packed in 480 fiber drums or 960 paper bags per container.
    Shipping Pigment Orange 13 is typically shipped in tightly sealed, moisture-resistant bags or drums, clearly labeled with hazard information. It should be transported under dry, cool conditions, protected from direct sunlight and incompatible materials. Adherence to local and international transport regulations for non-hazardous chemicals is essential to ensure safe and compliant delivery.
    Storage Pigment Orange 13 should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers. It should be kept away from moisture and combustible substances. Proper labeling and handling according to safety guidelines are essential to prevent contamination or accidental exposure.
    Shelf Life Pigment Orange 13 typically has a shelf life of 3–5 years when stored in cool, dry conditions, away from direct sunlight.
    Free Quote

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

    For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@liwei-chem.com

    Get Free Quote of Anhui Liwei Chemical Co., Limited

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

    Certification & Compliance
    More Introduction

    Pigment Orange 13: Set Your Colors Apart

    Years of hands-on processing and customer feedback have shaped our understanding of what a reliable orange pigment brings to a production line. Pigment Orange 13, or PO13, tells a story for any manufacturer or formulator aiming to capture the eye with lasting color. From paint kettles to plastics compounding rooms, our teams have seen this pigment earn trust thanks to its vibrant, semi-transparent shade and robust application history.

    The Core Qualities of Pigment Orange 13

    Pigment Orange 13, a member of the diarylide orange group, offers a clean, bright reddish orange that departs from the dull or muddy results seen with older organic or mixed-metal alternatives. Through every batch, our process—built on precision filtration and standardized particle size control—delivers consistency. High tinting strength shows in the richness and depth of color, stopping short of overpowering the intended tone in blends. The semi-transparent nature of PO13 lets finished products stand out with both clarity and warmth.

    We noticed early on that markets value quick dispersion. As a result, we regularly monitor and adjust surface treatment stages to reduce milling time for aqueous and solvent-based systems. High resistance to acids, alkalis, and various solvents means formulators won’t face unexpected color shifts or degradation in aggressive chemical environments. Compared to some diarylide oranges, PO13 resists crystallization under hot extrusion—addressing one frustration for masterbatch and compounders over years spent running production lines.

    Specifications Shaped by Real-World Demands

    Solid content and oil absorption readings mean little if a pigment clogs machinery or fouls up a batch halfway through. Field experience drove us to engineer PO13 with a median particle size that flows easily yet holds up in finer grind requirements for automotive or coil coatings. In our main line, the specific surface area hovers within a tight, proven range, supporting stable viscosity and easy integration at both lab and industrial scales.

    The pigment maintains brightness even at lower concentrations, showing repeatable color value when used in trace amounts or at full load. The thermal stability suits the higher screw and barrel temperatures common to polyolefin, PVC, and engineering resin processing, outperforming several legacy orange pigments that fade, brown, or bleed out after repeated cycles. Through years of collaboration with downstream customers, we refined filtration to remove oversize fractions—critical for applications like packaging films and offset inks, where micron-level consistency is non-negotiable.

    Popular Models and Adaptations

    No two batches of masterbatch, paint, or ink run the same across factories. Recognizing this, our product range includes both standard fine-particle PO13 and customized grades for specialty processes. For printing ink makers balancing cost and brilliance, our medium-surface grade offers clean, high-strength coloration ideal for flexo, gravure, and offset runs. In plastics, a denser form with treated surfaces manages the melt flow so pelletizers and extruders avoid clumping or streaking. We maintain regular consultation with processors to ensure those models keep up with shifting production realities.

    Screen printers and industrial coating producers often share feedback: not every orange pigment can survive the melt, UV curing, or weathering demands without fading to an unplanned yellow or reddish tinge. PO13 holds its shade longer, outperforming common blends based on monoazo reds and yellows when exposed to sunlight or harsh curing lamps. Custom models also carry selective resistance for harsh detergents or specialty resins—a reflection of countless hours spent tweaking and observing real-world performance.

    Application Insights: Where PO13 Stands Out

    Printing ink manufacturers regularly select PO13 for vibrant packaging graphics and high-impact labels. Offset and gravure presses handle thousands of sheets or meters day in and day out. Anything less than reliable press stability risks costly washups and downtime. Since its introduction, our PO13 has allowed press operators to lay down color strong on both matte and glossy paper without overloading plates or losing definition. This boosts throughput and extends the service interval between press cleanings.

    In plastics, bright orange often suffers from bleed or plate-out, especially at elevated temperatures found in injection molding and film extrusion. Through iterative improvement and direct shop floor trials, we've tuned PO13 so it consistently resists migration and bleeding—even as extruder pressures and temperatures fluctuate through long production runs. Molders appreciate that orange components, from household goods to automotive trims, reliably keep their color no matter the polymer matrix or additive package.

    Paint and coating chemists call out PO13 for its balance: not as harsh and artificial as many inorganic oranges, more stable than straight monoazo pigments, and easy to incorporate with water- or solvent-based mediums. Building coatings, automotive refinishers, and wood stains all use this pigment to develop rich, lasting shades. Outdoor applications particularly benefit from weatherfastness and resistance to chalking. In our own outdoor exposure trials, PO13 maintained saturation and gloss after months of direct sunlight—outperforming most legacy products by a broad margin.

    Industrial users often come to us with new challenges: can your orange resist the acids in a cleaning solution? Does it survive high-speed coating lines? Through collaborative testing, we've charted points where PO13 holds up or where adjustments offer better results. This level of transparency has earned us long-term customers across paint, ink, resin, and plastic markets.

    PO13 Compared to Other Commons Oranges

    Direct experience shows key contrasts between Pigment Orange 13 and alternatives like Pigment Orange 34 (PO34) or Calcium Chromate Oranges. PO34 often brings higher cost-per-kilo and less flexibility in environmental compliance. The heavy metal content of older chromate pigments closes them off for regulated applications and risks customer pushback over toxicity. Our PO13 never touches heavy metals, allowing end-users to qualify for stricter eco-labeling and regulatory standards, especially in food contact or children’s products.

    Among the range of organic orange pigments, simpler monoazo oranges look cheaper up front, but our laboratory testing consistently finds weak color strength and poor lightfastness. Tinting a batch may require double or triple the load of PO13, offsetting any cost savings and increasing the risk of process complications. These monoazo pigments also show bleeding in PVC and polystyrene—a non-starter for critical packaging grades. By contrast, PO13 maintains position and shade even under processing conditions that would send other pigments running.

    Some customers ask why not just drop in an inorganic orange? Iron oxides, for example, bring higher opacity but mute the shade, resulting in less vibrant or more “brick-red” tones. Ceramics, cements, or heavy-duty protective paints may require high hiding, but for most consumer-facing products, brightness and resistance to weathering matter much more. Experience has proven to customers and plant managers alike that PO13 carves out a place where color, cost-effectiveness, and compliance meet.

    Why It Matters: Meeting Today’s Demands

    From running test batches in our lab to troubleshooting production at customer sites, we see how tight specifications, environmental compliance, and long-term performance all intersect. Stringent standards across Europe, North America, and more recently, Asia-Pacific, demand pigments free from heavy metals and with minimized risks of unwanted by-products or residues. Audits often go beyond standard MSDS checks, so transparency in sourcing and processing wins trust. Our pigment production schedule adheres to full traceability—every batch stamped, every additive listed, every analytical certificate available at customer request.

    Color consistency is critical for brand owners, retailers, and manufacturers who expect the same result out of every bag, can, or barrel—no surprises. Uniformity matters not only on paper but in actual deployment, where color discrepancies lead to costly product holds or recalls. We validate every lot with real-world application testing—screen, offset, plastic extrusion, or paint film—before release. We routinely run side-by-side comparison with both our prior batches and competitor standards, refusing to ship lots that stray from promised color limits or fastness ratings. This approach helps our buyers cut back on rework or waste, while bolstering their own brand reputation.

    For sustainability and worker safety, operating free from heavy-metal risks means safer handling, easier compliance for downstream processes, and broader access to end-markets. As more regulations shape pigment selection, PO13 answers the call—not just on paper, but in every end-use deployment from toys and packaging film to architectural and industrial paints.

    Challenges and Ongoing Solutions

    Manufacturing at scale brings unavoidable bumps—batch-to-batch variation, unanticipated demands from unique resin or binder systems, or sudden changes in feedstock availability. Customers sometimes push for custom particle sizes, dust-free products, or super-concentrated dispersions. We partner directly with buyers' technical teams, not just salespeople, to tackle these demands head-on. We've set aside resources for rapid prototyping and field evaluation. Thanks to that direct plant-to-plant link, we're able to tweak processing parameters, switch dispersants, or adjust treatment loadings to fix issues before they snowball into downtime or waste.

    Occasionally, supply shocks in raw materials strain timelines or push up costs. Instead of cutting corners, we stockpile key intermediates and maintain working relationships with approved suppliers—preferring predictability and customer continuity over risky spot deals. Through regular investment in our own filtration and grinding lines, we keep quality controls in our own hands and sidestep quality swings or batch rejections.

    Environmental factors like wastewater management, air emissions, and worker exposure are part of every day's planning. By integrating closed-loop water treatment, dust extraction, and solvent recovery, we shrink our environmental footprint and offer supporting documentation—helping customers pass their own sustainability audits and CSR reporting. These aren’t wishful claims; they rest on real inspections and logged results that open doors for our customers’ global supply chains.

    Listening, Adapting, Staying Accountable

    Production teams and technicians—ours and our customers’—voice concerns quickly when pigments disrupt workflows or don’t deliver. We encourage this feedback, running roundtables and plant visits that break through communication barriers. Our lab doors have stayed open to industry partners, auditors, and brand-owner engineers seeking hands-on batch checks or application previews. Direct involvement has shaped development of cleaner, lower-dust forms for compounding, and led us to test pigment dispersions designed for high-speed digital presses or advanced coating systems.

    We monitor major industry forums and research publications but give highest value to supplier audit scores and customer returns—real signals of performance. Certification programs and new regulatory changes still guide our upgrades, but end-user demands about color strength, resistance profile, or handling continue to spark new product adaptations.

    Trust Built Through Results

    Long-term customer relationships spring not from marketing promises, but from color lines that perform batch after batch. Years spent at the intersection of lab results, production targets, and end-user needs have carved out a production environment focused on process control and partnership. Pigment Orange 13 stands out among the spectrum not because of rarity, but because actual results back up every delivered kilogram.

    Looking at each trial, every audit, and every round of customer advice, we continue refining PO13—never treating any specification as set in stone. Deadlines, color demands, compliance headaches, and cost targets all get balanced in real-time exchanges between our operators, chemists, and production planners. What’s important to your production isn’t a guess for us—it’s something we’ve learned to anticipate and match.

    Pigment Orange 13, in our hands and in your applications, delivers what markets now expect: color that holds up, compliance ready by design, and adaptability to suit tomorrow’s processing standards.