| HS Code | 845957 |
| Chemical Name | Yellow Iron Oxide |
| Common Formula | Fe2O3·H2O |
| Color | Yellow |
| Cas Number | 51274-00-1 |
| Physical State | Powder |
| Odor | Odorless |
| Density | 3.5–4.0 g/cm³ |
| Solubility In Water | Insoluble |
| Ph | Approximately 5–8 (in slurry) |
| Oil Absorption | 15–25% |
| Lightfastness | Excellent |
| Stability | Stable under normal conditions |
| Molecular Weight | 177.71 g/mol |
| Main Use | Pigment in paints, plastics, ceramics |
As an accredited Yellow Iron Oxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Yellow Iron Oxide is packaged in a 25 kg strong, sealed, multi-layer kraft paper bag with clear labeling and safety instructions. |
| Shipping | Yellow Iron Oxide is shipped in tightly sealed, moisture-resistant bags or drums, typically weighing 25 kg or as specified. It should be stored and transported in a cool, dry, well-ventilated area, away from incompatible materials. Proper labeling and handling precautions are necessary to prevent inhalation, skin contact, and contamination. |
| Storage | Yellow Iron Oxide should be stored in a cool, dry, and well-ventilated area, away from acids and incompatible substances. Keep the container tightly closed to prevent moisture absorption and contamination. Avoid exposure to direct sunlight and high temperatures. Store in labeled containers made of materials resistant to corrosion and chemical reaction for safety and stability. |
Competitive Yellow Iron Oxide prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
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Tel: +8615365186327
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We have poured decades of work into the production of Yellow Iron Oxide, using our in-house synthesis methods to control purity and consistency from batch to batch. This compound—chemically ferric oxide hydrate, with our frequently ordered grades such as Model Y813 and Y920—remains a staple pigment in many sectors. Our lab teams analyze every lot for shade depth, oil absorption, particle size, moisture content, and trace impurities, checking that it measures up to both our own internal criteria and the demands fielded by customers in construction and coatings.
Factories that work with colored concrete, decorative paving stones, and ceramic glazes depend on a pigment that doesn’t fade or run in extreme conditions. During the wet process synthesis, we maintain reaction temperatures and pH at precise value ranges, which promotes tight control over crystal formation. Through this hands-on control, we generate a fine, even powder in micronized form. The resulting product consistently offers a strong tint strength and lightfastness that stands up under sunlight and rain. By monitoring trace metals through every production stage, we keep our yellow pigments free of contaminants that weaken color performance or limit their use in sensitive applications like children’s toys and water-based paints.
We see Yellow Iron Oxide most often used in cement and concrete. Batch plant operators add measured amounts straight into the mix, looking for durable earthy hues in tiles, block pavers, and roof sheets. In plaster and terrazzo, a controlled pigment load brings out a warm, yellow tone without bleeding or spotting. Gypsum drywall, widely used for interior walls, stands out when tinted with Yellow Iron Oxide—builders and interior designers have appreciated the natural glow it lends to finished spaces. Since our own product works in both dry and wet blending methods, it suits both large automated plants and small-scale, manual production lines.
Paint producers rely on our Yellow Iron Oxide powders to give outdoor architectural coatings a stable, long-lasting shade. We grind and sieve the material to a specific mesh size, which allows fine distribution in both solvent-borne and water-based paint systems. High tinting power means a small addition goes a long way compared to generic blended products, reducing raw material costs over large-scale runs. In anticorrosive primers, this pigment covers ferrous metals and helps delay the onset of rust, extending the working life of fabricated structures and machinery.
As plastic processors blend pigments directly into polyethylene, polypropylene, and PVC, thermal stability becomes critical. Over the years, specialists in our technical support team have worked side-by-side with customers at the extrusion or injection molding line, solving issues related to pigment migration, color fading, or surface blooming. Our Yellow Iron Oxide endures elevated temperatures during compounding and forming, with minimal color shift or breakdown in strength. End users get vivid, durable yellow shades in piping, wire jackets, and consumer goods. They also avoid contamination risks: our analytic checks confirm the absence of hazardous heavy metals and confirm compliance with the standards prevailing in each region.
For those used to working with Red and Black Iron Oxide, Yellow makes unique color blends possible. Red iron oxide (Fe2O3) creates strong brick shades and deep earthen reds, but adding Yellow (hydrated Fe2O3) opens up ochres, earthy greens, and subdued orange tones. Our lab regularly tests blends to advise customers on achieving the color values needed in everything from laminar decorative tiles to automotive paint bases. This multiplicity in blending offers versatility—manufacturers can design wide color palettes without introducing synthetic organic dyes, streamlining procurement and inventory. In side-by-side outdoor trials, our Yellow Iron Oxide showed higher resistance to UV-driven chalking compared to synthetic organic yellows, and maintained appearance in environments with swinging temperatures and humidity.
Over years in this industry, we’ve seen customer needs shift from basic color to demands for traceability, eco-certification, and process optimization. In summary, off-the-shelf Yellow Iron Oxide covers only part of the story. Batch-to-batch consistency, packaging options (paper or plastic bags; bulk supersacks; drum packaging for export), and pre-dispersed slurries each add difference for processors running high-throughput lines or precision-applications like automotive finishing or children’s toys. On occasion, an order requires tighter control over particle size or lower levels of crystalline silica content—our QC team can adjust manufacturing parameters in response, drawing from batch records and historical data.
Down the supply chain, users want solid assurance that the pigment won’t add regulatory headaches. Our material complies with industry norms for heavy metal content, VOC emissions, and purity—satisfying both domestic and key international standards. External auditors have reviewed our operations multiple times, attesting to traceability from raw ore to finished, bagged pigment.
The past five years brought sharper attention to sustainable production, with architects and manufacturers seeking assurances about lifecycle impacts. Our process engineers adapted production lines, cutting energy per ton of finished product and reclaiming process water. These moves align with real customer expectations. Large buyers now ask for environmental impact data and supply chain declarations, while green-building certifiers specify pigments from low-impact manufacturing. We offer documentation about these process changes, helping customers back up their own sustainability claims to third parties.
On rare occasions, a customer may spot speckling or uneven tinting. Our technical service staff investigates swiftly: common causes involve uneven mixing, incompatible surfactants, or application temperatures that exceed pigment stability ranges. Usually, rapid process modifications at the user’s line solve the problem. In rare cases—for example, in decorative mortars exposed to acid rain—we suggest adding a small percentage of our Red Iron Oxide to deepen weather resistance and colorfastness. Years of field service records show that batches kept dry and packaged in lined, sealed containers retain their shade and flow properties for years, even through hot, humid storage and lengthy shipping.
Yellow Iron Oxide holds a strong place in the world of mineral pigments, but not every application fits its style. Ceramic glazes needing high firing temperatures above 950°C generally switch to calcined pigments or synthetic blended alternatives. Paintmakers seeking fluorescent or ultra-bright colors look elsewhere, as iron oxide offers an earthy, opaque finish rather than sharp modern hues. In such cases, our team provides transparent guidance, clarifying where Yellow Iron Oxide excels and where other materials step up.
Pigment markets move with cycles of construction growth, regulatory requirements, and fashion in color selection. During global supply crunches or port disruptions, we lean on domestic ore sources and just-in-time production scheduling to keep shipments steady. Forward planning—made possible through regular market conversations and a robust ERP system—lets us guarantee supply long after spot traders have sold out or shifted to other commodities.
We have watched trends shift. More plastics and coatings companies set tighter acceptance standards; construction firms push for pigment loads that preserve concrete workability without sacrificing visual strength. We added more precise sieving, invested in finer milling technology, and responded to queries from around the world, adjusting grades for regional demands. Partnering closely with customers, not only as a pigment supplier but also as an experienced technical resource, has made the difference in keeping our product relevant. Site visits and collaborative runs at customer facilities often yield solutions that a laboratory bench can’t see—the real test of performance comes in the hands of end-users.
A consistent, reliable yellow matters because entire projects rely on it: a miscolored wall, tile, or paving block stands out long after construction wraps up. Past experience with cheaper, poorly-controlled oxide suppliers has pushed many customers our way, looking for pigment with a track record of stable particle chemistry and performance in both legacy and next-generation applications. High lightfastness translates into visible, quantifiable quality where it shows most—on a sun-drenched concrete flagstone or the stucco walls of a seaside house.
At our plant, turning ore into Yellow Iron Oxide isn’t just about chemistry—it’s about the craft of knowing batches, catching subtle shifts in shade or texture, listening to field feedback, and tuning the process for a sharper edge. Each drum or bag comes from a line with over a decade of continuous improvement and customer dialogue behind it. Our technical team documents and studies every production error, unusual customer complaint, and noteworthy success. Not every pigment producer shares this experience or the ability to tweak a synthesis or packaging step to meet an urgent project timeline. Through industry association engagement, we help write standards and update best practices, keeping pace with regulations and new research.
Yellow Iron Oxide begins life as raw mineral, then passes through grinding, purification, blending, and quality checks before leaving our facilities. The team loading containers knows that a single mis-packed shipment can spoil months of careful batch work—lab and floor crews track each bag for origin, quality, and intended customer. By reviewing returned samples and feedback from field crews, we update our training and operating procedures, matching pigment properties to real-world needs. This deep involvement at every node—procurement, manufacture, dispatch, and post-sale—ensures a standard of reliability that partners have learned to trust.
Our approach: transparency in origin, measured results at each step, clear communication with every partner in the chain. This attention to detail means fewer after-sales issues, quicker troubleshooting, and better customer relationships over time. Whenever a customer launches a new product line or project, we draw on historical pigment performance data to help with pre-production trials, shade matching, and cost optimization.
Hundreds of building projects and industrial formulations depend on stable, honest pigment performance. Yellow Iron Oxide doesn’t just color the industry’s output—it stands as a reflection of the accumulated skills and standards that define the chemical manufacturing profession. The trust built through careful production, technical outreach, and steady supply will keep this material in use for years ahead, adapting to shifts in industrial practices, regulation, and creative design. Our focus stays fixed on linking old-school chemical skill with modern application know-how, making sure every shipment delivers what it promises.
