|
HS Code |
484536 |
| Cas Number | 5567-15-7 |
| Color Index Name | Pigment Yellow 83 |
| Molecular Formula | C36H32Cl4N6O8 |
| Molecular Weight | 829.50 g/mol |
| Chemical Class | Diarylide pigment |
| Appearance | Yellow powder |
| Lightfastness | Very good |
| Odor | Odorless |
| Melting Point | Decomposes before melting |
| Density | 1.5–1.7 g/cm³ |
| Oil Absorption | 35–45 g oil/100 g pigment |
| Main Uses | Plastics, coatings, inks, paints |
| Solubility In Water | Insoluble |
| Heat Stability | Up to 200°C |
| Toxicity | Generally regarded as non-toxic |
As an accredited Pigment Yellow 83 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Pigment Yellow 83 is packed in a 25 kg net weight fiber drum with inner polyethylene lining, ensuring safe and moisture-free storage. |
| Container Loading (20′ FCL) | Container loading for Pigment Yellow 83 (20′ FCL): Typically 12-14 metric tons packed in 25kg bags on pallets for export. |
| Shipping | Pigment Yellow 83 is typically shipped in tightly sealed, moisture-proof bags, drums, or cartons to prevent contamination and exposure. The material should be kept dry and stored in a cool, well-ventilated area. During transportation, it must comply with relevant safety regulations and be clearly labeled as non-hazardous for general cargo. |
| Storage | Pigment Yellow 83 should be stored in a tightly sealed container in a cool, dry, well-ventilated area away from direct sunlight and sources of ignition. Prevent contact with strong acids, oxidizers, and foodstuffs. Avoid dust generation. Use suitable, labeled containers and ensure the storage area is equipped with proper spill containment measures and safety signage for hazardous materials. |
| Shelf Life | Pigment Yellow 83 has a typical shelf life of 3 years if stored in cool, dry conditions in a tightly sealed container. |
Competitive Pigment Yellow 83 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
Flexible payment, competitive price, premium service - Inquire now!
At our chemical plant, Pigment Yellow 83 keeps production lines humming every week. This organic pigment forms a reliable foundation in our color palette, especially for manufacturers and designers who want strong and vibrant yellow shades. Pigment Yellow 83 carries the C.I. designation 21108, and our focus remains on batch consistency and purity, grown from years of small adjustments in organic precipitation and post-treatment. Each refinement traces back to practical experience—an unexpected shift in particle size control here, a filter cake pressing hiccup there—that teaches us more about optimizing the recipe for our customers.
We often field questions from those who rely on colors for everything from children’s toys to high-budget packaging. They want reassurance that their yellows will not just look bright on day one but stay that way, resisting sunlight, heat, migration, bleeding, and weathering. We've learned, sometimes the hard way, that even the most attractive initial shade won't satisfy if it fades or discolors. Working hand-in-hand with our partners, we have learned to read the subtle clues in color index data and physical appearance, and to keep our own QC benchmarks higher than any industry threshold demands.
Pigment Yellow 83 stands apart through a very specific chemical structure, known as diarylide yellow. This class brings a particular set of strengths—notably strong color fastness, good opacity, and a warm yellow shade that holds up well in many applications. We have dialed in the manufacturing conditions to emphasize these traits, emphasizing a bright, mid-toned yellow that neither leans too green nor too orange. Years spent listening to printer operators, masterbatch compounders, and ink formulators inform every step in our process: particle size reduction, filtration, drying, and surface modification. We rarely see projects stalled from batch-to-batch color differences, as long as the raw material quality and production parameters remain under direct supervision.
On the flake, powder, or presscake formats we offer, users often care most about dispersion, strength, and stability. We monitor viscosity curves and test in a long run of resin and solvent matrices, paying attention to any early signs of agglomeration. Hard lessons taught us pigment surface treatment goes a long way towards successful milling, so we lightly condition much of our output with surfactants or resins. This hands-on approach means fewer surprises for injection molders or screen printers down the line. The repeat customers in these markets value a steady performance above technical buzzwords – and that guides our daily work.
Color strength has a way of revealing weaknesses in pigment manufacture. Some batches from less disciplined factories drop off over time, suffering uneven dispersion when added to polymers including PVC, PS, and PE. Our Pigment Yellow 83, through years of production know-how, keeps its tinting strength and gloss even after exposure to heat or sunlight, provided recommended use concentrations are maintained. We've tested it under various extrusion, blow molding, and injection environments, and seen how even scorchy screw barrels or marginally aged masterbatch can shift a color’s shade. Our continuous feedback loops—plant trials, customer pilot runs, returned sample investigations—drive incremental improvements, not marketing gloss.
This pigment’s heat resistance lets it function in a wide temperature range, up to about 200°C before color shifts creep in. In practical shop-floor use, we find few yellow pigments that match this combination of low oil absorption and durable shade. Sometimes, in particular high-shear processes, we recommend pre-milling or even slight carrier wax additions—advice born from troubleshooting sessions in customer shops where production volume leaves little room for color failure. This kind of on-the-ground knowledge separates lab results from real-world reliability.
Pigment Yellow 83 stands in contrast to the cheaper, but less lightfast Pigment Yellow 1 or 12. We know cost controls drive many procurement decisions, but repeated yellowing or fading in finished goods causes bigger hidden losses—returns, line stoppages, warranty headaches. Our focus stays on a balance between competitive costs and robust performance. The diarylide structure gives Pigment Yellow 83 a strong resistance to both UV and heat, unlike the monoazo variants that might work for a quick-turn product but let down in outdoor or shelf-exposed use.
Certain specialty yellows, like hansa yellows, yield greener or lighter tones. Customers choose them for short-life or disposable products, but for automotive, construction, or high-visibility packaging, the more robust tone and fastness of Pigment Yellow 83 wins out. Print and coatings plants come back to us with reports of fewer complaints and long shelf life—one printer in Southeast Asia reported a dramatic drop in shade complaints in their plastic pails after switching from a competitor’s yellow to ours, due to less migration and coloring stability under sunlight.
We supply Pigment Yellow 83 in several models that reflect surface treatments, particle sizes, and dispersibility adaptations. Standard grade offers a strong opacity and shade close to C.I. 21108’s reference, while our 'high-dispersion' grade carries extra processing steps for more demanding applications such as liquid inks and high-speed plastics compounding. We control our particle size through strict milling operations—mean diameter targets sit in the sub-micron range, but not so fine that post-processing leads to unexpected rheology problems.
As pigment manufacturers, we treat water absorption and oil absorption numbers as more than just technical box-ticking. They inform dosing in ink vehicles and plasticizers, and early warnings for mixing or gelling problems. Our feedback system catches shifts in filter cake humidity, presscake consistency, or dry powder flow so we can flag issues before they ever reach our customers’ plant gates. Regular benchmarking against international standards means we measure our product not just on the basis of lab-value, but on how hassle-free its use feels for downstream users.
Pigment Yellow 83 shows up in coloring plastics, inks, paints, and textiles. We supply masterbatch producers who value a pigment that will not migrate through polymer matrices, even under heat cycling or sunlight. In our years supplying automotive plastics, we have faced ever-tightening durability rules—so even minute pigment surface adjustments can mean the difference between a product passing or failing sunlight exposure. For offset, gravure, and flexo inks, we observe the needs of printers closely: smooth flow, minimal settling, and predictable strength. Colorists running high-speed lines rely on our pigment’s strength and dispersibility because down-time for color corrections costs them more than the pigment itself.
We don’t overlook the value for paint manufacturers, either. Some customers use Pigment Yellow 83 to blend with other organics or even inorganics for tailor-made traffic paint and industrial coatings shades. This pigment’s opacity helps reduce costs—less pigment is needed for the same hiding power, particularly over dark substrates. On a few projects, coating formulators ask for "weatherproof" yellow: we guide them toward our best post-treated version, proven in real street and construction site conditions. Each of these stories shapes small tweaks in our manufacturing—sometimes a particle size reduction, sometimes a change in filtration speed, all tested out in practice with the customer before rolling out at scale.
As a diarylide pigment, Yellow 83 requires industry-standard protective handling—factory personnel use dust masks, gloves, and appropriate ventilation. We long ago stopped using certain banned amines, following global regulatory concerns, and our batches show no leaching of those compounds during migration and regulatory testing. Over years of safe work practices, we’ve established simple, practical workflows: keeping pigments in sealed drums, cleaning spills promptly, tracking powder loss over months to monitor both product yield and plant hygiene.
Accidental exposure reports remain few, largely because our factory lines follow handling SOPs designed from long experience. Waste disposal follows local and global rules, with pigment fines collected by filters and recycled. This real-world approach keeps our people and neighbors safe, and assures our customers that responsible sourcing starts from the factory floor up. Regulatory change does happen—a new country ban or permitted use update deserves scrutiny. Our process chemists and compliance staff meet weekly to check for updated scientific reports or new trade requirements. If something requires adjustment, our batch records and production notes mean it gets handled fast and clearly.
No recipe or process remains perfect forever. We invest in incremental upgrades, tuning our reactors, filter presses, and milling operations as knowledge grows. Each factory trial—sometimes spurred by a customer’s stubborn ink formulation, sometimes due to new environmental rules—adds to our library of what works and what can be done better. High-shear mixing tests, accelerated weathering panels, solvent extraction cycles, or gloss-and-haze measurements all feed back into slight process tweaks, whether slowing the cooling curve during synthesis or testing a different dispersant type.
Some improvements arrive as hard lessons. A few years back, a faulty cooling valve during synthesis led to more coarse fractions in a sequence of batches. The result: hard specks in ink at a customer site, overtime for their milling crew, and a clear message for us. We now run double-level particle sizing on finished powder—a small change, but it stopped reoccurrence. These practical responses create a product that not only fits technical standards but also reduces headaches for those using it on their shop floor.
In color development meetings, procurement teams bring lists of requirements—cost control, durability, color intensity, compliance. Pigment Yellow 83 lines up well against these markers, especially for long-life items, specialty packaging, or branding materials. Its consistent shade lets designers match existing house colors reliably, whether for global brand campaigns or local signage. Problems almost always come from specific application mismatches: ultra-high transparency requests, for instance, move designers towards hansa or benzidine yellows, while those needing super-high heat resistance (over 220°C) might have to consider quinophthalone or special trephthalocyanine pigments.
We maintain a library of comparison data: Color strength in PVC vs. PE; gloss metrics in solvent- vs. water-based coatings; migration tendency in polyethylene, and so on. Customers rely on these, but experience shows the right pigment is also the one that works “with” the process, not against it. We urge open dialogue before switching shades or applications. Past problems in color matching or peel-back speak loudest—in one recent case, a masterbatch producer consulted us before switching to recycled base resins. Early-stage pigment compatibility screening saved both parties time and money, and kept the producer complaint-free through an entire product season.
Pressure grows every year on all pigment makers to reduce environmental footprint. Our upgrades in process water recycling, flocculant selection, and waste pigment re-entry comply with evolving regulations, but more than that, they make economic sense. Years ago, pigment plants could get away with venting fumes or dumping filter slurry. Today, not only regulators, but our own teams and our customers expect closed-loop solutions. We have invested in advanced dust collection for powder lines and upgraded wastewater analysis. Each kilogram of Pigment Yellow 83 meets these rising expectations, because reputational risk for both pigment makers and our downstream users grows ever harder to recover from.
Our R&D team conducts annual reviews for solvent and water resistance test results under changing substrates—bioplastics, for example, create unique challenges for pigment migration and color fastness. We watch for any reports in the scientific press on diarylide breakdown products, tuning our synthesis to avoid byproducts and ensuring all effluents meet the tightest standards. Anything we can do to provide certainty for customers in an age of ever-increasing transparency, we adopt. Not everything succeeds, but we document every change and share key findings with partners facing similar challenges. This builds trust—the currency of long-running pigment supply relationships.
Pigment manufacture is more than chemical engineering and QC charts. It’s about real people—factory staff, designers, end-users—looking at color and making choices. Walking through our plant, we see how a disciplined workflow means less stress for everyone involved. Material handlers take pride in batch records kept clean and equipment maintained. QC technicians go beyond the numbers, learning to spot color variations by eye and through application tests. Feedback from users—textile dyers, injection molders, paint mixers—shows how the pigment performs once it leaves our facility. We field these calls not as complaints but as important signals for continuous improvement.
Even after all the automation, pigment work remains hands-on. The differences between an average and an excellent pigment stem from many small factors: dryness of storage rooms, clarity of work instructions, tightness of drum seals, accuracy of additive weighing, even operator care at the presscake step. The quality of finished paints or plastics tells its own story. Our teams remember the times logistics delayed samples or an unexpected formulation change led to in-plant troubleshooting. Each time we work side-by-side with a customer, it strengthens our product knowledge and builds the habit of delivering not just a pigment but a reliable, long-term solution.
The world’s standards for yellow pigments keep rising, in performance and sustainability. We take pride in producing a Pigment Yellow 83 that holds its own in demanding color, weathering, and regulatory tests. At the same time, we see opportunities to innovate: tweaks to reduce residual salts, speed up dissolution in certain resin types, or further lower environmental impact. Engagement with end-users keeps us honest—if a plastic closures line or mural paint producer brings up a fresh challenge, it goes straight to our improvement roadmap. The dialogue does not stop after sales; that’s just the start of the next phase in responsible pigment manufacturing.
Every batch of Pigment Yellow 83 that leaves our facility represents decades of collective learning, a connection between the science of color and its real-world value. We appreciate those who trust their brands and projects to our pigment, and we commit ourselves each year to making it better. The journey to brighter, longer-lasting, and more responsible yellow continues day after day, guided not just by what goes into the reactor, but by what matters when color hits the real world.