|
HS Code |
929532 |
| Chemical Name | Chromic Hydroxide |
| Formula | Cr(OH)3 |
| Molar Mass | 103.02 g/mol |
| Appearance | Gray-green amorphous solid |
| Density | 3.4 g/cm3 |
| Solubility In Water | Insoluble |
| Melting Point | Decomposes before melting |
| Cas Number | 1308-23-4 |
| Ph | Amphoteric |
| Hazard Classification | Irritant |
| Crystal Structure | Hexagonal (for some forms) |
| Stability | Stable under normal conditions |
| Odor | Odorless |
As an accredited Chromic Hydroxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Chromic Hydroxide, 500g, supplied in a tightly sealed HDPE bottle with chemical-resistant labeling, includes hazard and handling instructions. |
| Shipping | Chromic Hydroxide should be shipped in tightly sealed containers, away from incompatible substances and moisture. It must be clearly labeled as hazardous, following local, national, and international regulations. Use appropriate packaging to prevent spills, and transport via authorized carriers. Handle with personal protective equipment to avoid inhalation, ingestion, or skin contact. |
| Storage | Chromic Hydroxide should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from incompatible substances such as acids and strong oxidizers. The storage area should be clearly labeled and secured to prevent unauthorized access. Protect the chemical from moisture, direct sunlight, and sources of ignition, and ensure compliance with local regulations for hazardous materials. |
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Purity 99%: Chromic Hydroxide with purity 99% is used in ceramic pigmentation, where it delivers vivid green coloration and high thermal stability. Particle Size 3 microns: Chromic Hydroxide with particle size 3 microns is used in corrosion-resistant primer formulations, where it ensures uniform dispersion and enhanced anti-corrosive protection. Stability Temperature 400°C: Chromic Hydroxide with stability temperature 400°C is used in refractory materials, where it maintains chemical integrity under extreme heat conditions. Molecular Weight 103 g/mol: Chromic Hydroxide with molecular weight 103 g/mol is used in catalyst manufacturing, where it provides predictable reactivity and consistent catalyst performance. Moisture Content ≤0.2%: Chromic Hydroxide with moisture content ≤0.2% is used in glass production, where it prevents unwanted bubbles and achieves high optical clarity. Surface Area 20 m²/g: Chromic Hydroxide with surface area 20 m²/g is used in high-performance coatings, where it increases pigment adherence and improves abrasion resistance. Solubility Insoluble in Water: Chromic Hydroxide with solubility insoluble in water is used in plastic colorant applications, where it guarantees color uniformity and moisture resistance. pH Value 7.5: Chromic Hydroxide with pH value 7.5 is used in water treatment processes, where it ensures chemical compatibility and efficient contaminant removal. |
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Serving industries that demand deep greens, stable pigments, and chemical performance, Chromic Hydroxide stands out as a specialty material that deserves more attention than it gets. Many manufacturers searching for reliable coloring agents or catalyst ingredients drift to familiar iron oxides or basic chromium salts, often skipping over a material like Chromic Hydroxide because it sounds niche or redundant. But my time exploring pigment supply chains and discussing process improvements with chemists has shown there’s a clear difference when a job calls for a genuine, high-grade Chromic Hydroxide.
Chromic Hydroxide commonly hits the market in a fine, rich green powder form, with most quality material carrying the chemical formula Cr(OH)3. The model most producers reference comes with consistent particle size distribution, tailored moisture content — always low, never clumping — and a metal content that fits what tanners, glass producers, and paint manufacturers actually look for. This isn’t just idle marketing. When I visited a coatings operation in southern China, the technician measuring pigment batches kept a canister of Chromic Hydroxide with a label denoting model “CH-01”—not for branding, but because the particle fineness reduced streaks in high-gloss finishes. With well-calibrated production, the best material stays free from excess chrome(VI) contamination while holding its green under heat and light exposure.
The top uses of Chromic Hydroxide read like a guide to industries that don’t waste their budgets on fads. In the leather tanning world, this pigment forms the backbone of certain highly-flexible, green-dyed leathers that need to pass abrasion and light-fastness tests. People developing colored glass benefit from its thermal stability. Refractories — those tough bricks lining industrial furnaces — draw on Chromic Hydroxide for pigmenting and strengthening, too. Painters and coatings formulators go to it for a green that sticks around, not one that fades to mud after a single sun season. I’ve had glassblowers mention the way minor changes in Cr(OH)3 grade can make subtle but real differences in the final tint — where every part per million counts.
In catalyst production, the material supplies chromium without a wave of extraneous contaminants, meeting strict purity demands. Some chemical synthesis steps flat-out require this compound for precipitating chrome complexes or as a precursor to other, more exotic catalysts and absorbents. The trust in a consistent batch-to-batch product means less process drift, fewer rejected lots, and more uptime for industrial chemists.
Buyers scanning ingredient lists might confuse Chromic Hydroxide with green chromium oxide or less-stable chromium-containing pigments. In my early days consulting for ceramics producers, there was more than one warehouse where surplus “green pigment” bins held a wild mix of labeled and unlabeled bags. Once the difference became clear, the headaches stopped. What people often call Chrome Green, for instance, is chromium(III) oxide (Cr2O3), which comes out harder, more opaque, and with lower solubility than Chromic Hydroxide. That mostly means less flexibility in the shade and a tougher time dissolving or dispersing it in certain chemical processes.
Chromic Hydroxide, by contrast, stands out for a few strong points. The shade is less bluish and more natural, making it popular for artists mixes or historical pigments. Unlike some chrome oxides, it’s not loaded with carrier minerals or glassy inclusions, so it disperses evenly in water-based systems and organic binders alike. The lower density and better suspension also matter for tanners and finishers aiming for a smooth, ungritty feel in their final products. I’ve watched shop-floor workers judge quality by rubbing the powder between their fingers — the best stuff slips almost silky, never sandy or sticky.
Another real advantage shows up during high-temp work. Chromic Hydroxide won’t off-gas or degrade in the same way some blended pigments do, which matters in the controlled chaos of glassmaking or ceramics firings. Without unwanted reactions under heat or pressure, final colors stay sharp and reliable. There's a reason heritage tile-makers keep a tested supplier for this green; their busiest customers expect both color and structural consistency year after year.
People often hear “chromium” and bristle, thinking of old stories about toxic chrome plating. Chromium in the +3 oxidation state, which is what drives Chromic Hydroxide, is far less mobile and hazardous than the notorious chromium(VI) compounds. That’s not just a sales pitch. The U.S. EPA and Europe’s ECHA both list chromium(III) as posing much lower health risks compared to its chromium(VI) cousins. Workers in pigment manufacture and ceramics report fewer skin or respiratory complaints with this form. For manufacturers looking to cut down audit complications and health insurance claims, steering toward Chromic Hydroxide over less stable chromium sources remains a direct way to help.
Of course, sensible care never goes out of style. The dust can irritate eyes and lungs if handled carelessly, but routine PPE — gloves, masks, basic ventilation — puts it on par with other commercial powdered pigments. Waste should head to the correct landfill, rather than the nearest drain, but this practice applies across so many specialty chemicals that it’s more about good shop hygiene than any unique danger.
Every major manufacturer faces pressure now to “go green” — sometimes more in slogans than action — but pigments like Chromic Hydroxide offer a low-profile way forward. The energy and water use to refine this compound fall below what’s required for some synthetic organic pigments, which need rows of reaction tanks and generate more byproduct streams. Chromic Hydroxide production, especially when based near mineral sources, keeps environmental controls tighter and supply chains shorter. In applications where replacement is tricky, such as functional ceramics or performance coatings, using high-purity Cr(OH)3 helps companies reduce long-haul shipping and excess warehousing.
Some customers, myself included when sourcing materials for pilot plant work, now ask for documentation on origin and process energy before buying. Reports from Asian and European suppliers with ISO and REACH credentials show that environmental improvements remain ongoing. Clients I work with increasingly see this as more than a checkbox; in export markets, brands can lose access if traceability or environmental controls slip. By building trust in a well-characterized, proven green pigment, businesses buy certainty and cleaner audit trails.
In day-to-day operations, Chromic Hydroxide offers just enough specialty to make a measurable difference, without turning into a sourcing headache. The model “CH-01” gets mentioned in many circles, but quality actually depends on smaller details: particle size, purity, and moisture levels kept below determined thresholds. While it’s simple to lump all green pigments together, batch-to-batch consistency remains the chief advantage that sinks or floats a brand.
Factories processing polymers rely on the stability of Chromic Hydroxide. My former colleagues struggled with other green pigments that would flash off volatile compounds or change hues under extrusion heat. Once they swapped in a properly graded Cr(OH)3, product complaints fell sharply. Textile producers using the pigment in printing pastes comment about fewer cases of dye-bleed or frosting—something that hurt both shelf life and customer trust back when formulas floated from batch to batch.
People new to pigment formulation sometimes look for the lowest sticker price, especially in bulk. My advice from experience: chasing the cheapest Chromic Hydroxide usually means walking straight into headaches. Offgrades and low-purity stock bring in grit, clumping, or hidden contaminants — which end up costing a lot more in downtime, retexture work, or batch loss.
Reliable suppliers—ones with actual technical support—rarely match the basement prices of no-label bags, but that premium gets paid back. Every ton of unneeded waste avoided, every order that ships right first time, quietly saves money and reputation. Just about every mid-size paint company I’ve consulted ended up sticking to a vetted source, even if the upfront invoice felt steeper. In competitive markets, quality and transparency almost always win out in the end.
The pigment world isn’t static, and Chromic Hydroxide finds itself in the crosshairs of industry debates every few years. Organic greens have taken off in some artistic segments, but still cannot deliver the heat-resistance or durability for heavy industry. Regulatory changes on heavy metals ripple through supply chains too, but the scientific case for chromium(III) remains solid.
One growing conversation centers on nano-sized pigment particles. Some labs experiment with ultrafine Chromic Hydroxide for brighter shades and stronger dispersions. I’ve seen pilot plants reduce pigment loads by micro-engineering these particles, yet questions linger about health and environmental effects if these powders escape into water or air in large volumes. Most buyers I know stick with tried-and-tested micro-scale grades, waiting for more long-term safety data before jumping in headfirst.
Techniques for recycling pigment-laden waste keep advancing, lowering environmental impact over time. Newer Chromic Hydroxide production lines, especially in established plants, invest in effluent cleaning and air filtering systems that keep emissions very low. Vertical integration — where one plant controls both ore sourcing and downstream pigment processing — further cuts risk of off-spec product ending up in the market. As sustainability reporting requirements stiffen globally, transparent, well-managed Chromic Hydroxide sources stand to gain.
Chromic Hydroxide might be durable in the lab, but the world outside poses unpredictable challenges. Rural glassmakers in regions with unreliable electricity can find their batches wasted if pigment quality dips unexpectedly. Even larger, well-run factories hit friction with international testing standards changing year by year. After 2020, I saw increased requests for documentation on impurity testing and production traceability — not just for sales, but to keep goods moving across borders.
One response has been more focus on third-party certification for ingredients, especially when customers want to avoid all traces of hexavalent chromium. Even slight cross-contamination risks a recall, especially for toys, public art, or products touching food. Investing in closed-system manufacturing and independent testing doesn’t just check legal boxes; it reassures major buyers and opens up longer-term supply agreements. My role often involves helping clients pin down documents before they even sign a purchase order, because a proven, audited supply line avoids future disputes.
Quality control and supply chain transparency now sit at the core of conversations about the future of pigments. Chromic Hydroxide, as a mature yet adaptable product, lines up well with demands for responsibility and traceability — when sourced right, with the right history backing every batch.
People working with Chromic Hydroxide face their share of tough questions about environmental impact, changing regulations, and product performance. One solid option is pivoting to suppliers investing in best-in-class environmental controls and batch documentation. Building partnerships with producers who can deliver on both quality and compliance reports keeps product launches on track and satisfies both auditors and actual end users.
For manufacturers stretched thin by rule changes or cost hikes, the answer lies not in cutting corners, but in setting up checks at each stage: auditing supply chains for compliance, maintaining in-house batch testing, and switching to formulations with clearer documentation. In my work, simple process maps that trace material from mine to package save months of headaches. Joint purchasing programs, where companies work together to secure high-grade pigment in bulk, can also keep costs manageable without slashing standards.
Training shop-floor teams on proper pigment handling, spill cleanup, and personal safety closes off the rare but costly accidents that cause production delays or workplace injuries. Open communication across departments — from procurement to waste disposal — means problems are caught before they spiral. My time troubleshooting product complaints taught me that no improvement comes from blaming the material; the biggest gains arrive through better training, consistent procedures, and clear standards.
Chromic Hydroxide continues to hold crucial ground across industries. The pigment has proven itself in more demanding corners of manufacturing, and its continuing role depends not on flashy marketing but on reliable, measurable performance. When buyers understand the specifics — particle size, purity, and real-world testing — the product delivers value that justifies its place amid more abundant, but less dependable, alternatives.
Markets and regulations evolve fast, but adaptability favors those who stick to high standards and good documentation. My experiences seeing factories struggle with inferior materials and thrive with quality pigment reinforce a simple idea: proven products, supported by credible testing and clear sourcing, keep both customers and regulators satisfied. As Chromic Hydroxide quietly supports glass, leather, ceramics, and chemical catalysts worldwide, it sets a practical standard for performance, safety, and adaptability in a world that demands more from every industrial input.