|
HS Code |
989706 |
| Chemicalname | Calcium Arsenite |
| Chemicalformula | CaAsO2 |
| Molarmass | 154.01 g/mol |
| Appearance | White to grayish powder |
| Density | 3.67 g/cm3 |
| Solubilityinwater | Slightly soluble |
| Meltingpoint | Decomposes before melting |
| Odor | Odorless |
| Casnumber | 12755-34-9 |
| Toxicity | Highly toxic |
As an accredited Calcium Arsenite factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White, sealed 500g HDPE bottle with hazard labels, tightly capped, featuring clear markings for “Calcium Arsenite” and safety warnings. |
| Shipping | Calcium Arsenite should be shipped in tightly sealed containers, clearly labeled as toxic and hazardous. Transport must comply with local and international regulations for toxic substances, using appropriate protective packaging to avoid leaks or contamination. Ensure proper documentation and emergency procedures are in place during shipping to ensure safe handling and delivery. |
| Storage | Calcium arsenite should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as acids and strong oxidizers. The storage area should be clearly labeled, secure, and restricted to authorized personnel only. Proper protective equipment and spill containment measures should be in place due to the compound’s high toxicity and potential environmental hazard. |
Applications of Calcium Arsenite in Industrial ManufacturingCalcium arsenite serves a distinct role as a specialty intermediate in tightly regulated industrial pathways. We ensure every application meets the rigorous production, regulatory, and quality standards required in established downstream processes. Below we focus exclusively on legitimate and traceable market-connected scenarios supported by historical and ongoing commercial use. 1. Wood Preservation for Industrial TimbersCalcium arsenite is widely adopted as an active ingredient within waterborne formulations for pressure-treated lumber, directed toward utility poles, marine pilings, and railroad ties. Manufacturers utilize its specific antifungal and insecticidal properties to extend service life under constant biological threat while adhering to local and international regulatory constraints. Delivery typically involves application after vacuum and pressure impregnation, with close in-plant QC monitoring to control leaching and chemical fixation throughout the treated wood profile. Industry compliance standards
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2. Insecticidal Pigments for Specialty CoatingsPaint and coating producers incorporate calcium arsenite as a component pigment to impart both aesthetic qualities and controlled pest resistance, particularly in marine coatings and historic restoration paints. Its use remains highly regulated, with compliance to occupational exposure and environmental emissions essential during the wet milling, dispersion, and curing stages of pigment integration. Industry compliance standards
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3. Glass and Ceramic GlazesSpecialty glass manufacturers and ceramic producers use calcium arsenite as a fining and decolorizing agent and for the development of certain historical ceramic glazes. It plays a precise technical role in removing unwanted coloration and enhancing stability during sintering at elevated temperatures. Integration demands thorough control of batch homogeneity and exhaust emissions during melt or firing. Industry compliance standards
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4. Rodenticide Compound Formulation (Industrial/Non-food)Industrial pest management formulators utilize calcium arsenite as an arsenical base for rodenticide baits targeting non-food, critical infrastructure sites such as grain silos, urban sewers, and perimeter fencing. Every batch must comply with restricted-use protocols and undergo validated QA for homogeneity and stability throughout the process, with tracking from raw ingredient blending to final packaging under specified safety systems. Industry compliance standards
Typical usage ratio
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Over the years we have worked intensively with Calcium Arsenite, both in research labs and in large-scale production. We do not act as a middleman or aggregator. From raw material sourcing to the final step of drying and packaging, our team handles every stage with a direct, hands-on approach. The integrity and direction of our supply chain allow us to guarantee what goes into every batch. Our product, manufactured under strict controls, comes with a transparent record from origin to shipping container.
Calcium arsenite (often described by the formula Ca3(AsO3)2), falls under the family of inorganic arsenites. In our manufacturing process, tight control over reaction temperature, pH, and stoichiometry determines the product's success. Unlike resellers, who may never see a reaction vessel, our engineers stand at the reactors, monitoring slight changes in suspension color and grain size. Consistency in our product results from equal emphasis on chemistry and mechanics, not marketing.
Our plant enables us to produce Calcium Arsenite primarily as an off-white, free-flowing powder. Purity sits above 98% by atomic absorption and gravimetric analysis. Arsenic content falls within a tight window, which means applications needing reliable results—such as pigment precursors—get full satisfaction. We never dilute or extend our batches just to fill quotas. Particle size and bulk density relate directly to the chosen filtration and spray drying settings, not external specifications or requests for cut-rate materials. By setting our own milestones for quality and consistency, we avoid the shortcuts taken by suppliers removed from production.
Clients approach us with a range of different end-uses. In the pigment industry, Calcium Arsenite features as both a base and modifier. Formulators looking for arsenic pigments or wood preservatives appreciate controlled levels of impurities and predictable reactivity. We’ve watched customers repeatedly use our product for glass manufacturing, especially where it acts as an opacifier, and for certain specialty ceramics. Over the years, direct feedback from these sectors pushed us to focus more on reproducibility and less on speculative blends that do little more than waste time and material.
Agricultural chemical houses have inquired about Calcium Arsenite as a potential pesticide or fungicide. While historic applications show usage trends, we exhaustively explain the regulatory environment and inherent toxicity risks tied to arsenicals. Internally, we rely on batch-to-batch tracking not just for compliance but as a value in itself. No batch leaves our site without a record that reaches back to raw ingredient lot numbers. Real experience means understanding the balance between functional chemistry and responsibilities downstream.
We see safety and environmental stewardship as an integrated part of making any arsenic compound. Employees rely on engineered air handling and encapsulation systems, not simple face masks. We use continuous emission monitors around our reactors and manage waste strictly according to local and national standards. Our active systems for arsenic capture have cut down fugitive loss rates each year. Site audits and compliance checks come not as surprises but as an expected marker of daily operations. Only direct manufacturers encounter these realities; others can only speculate.
For on-site storage and shipping, all Calcium Arsenite moves in lined drums or specialty bags tested against rupture and moisture ingress. Our reputation rides directly on minimizing risk from production to end-user application. Several customers have commented that our packaging and documentation eliminated re-testing delays and material loss. We've learned the hard way that best practices in arsenical manufacture—safe handling, secure packaging, emission controls—cannot be faked upstream.
Most new clients initially ask how Calcium Arsenite compares to calcium arsenate or sodium arsenite. Unlike arsenates, Calcium Arsenite holds arsenic in a lower oxidation state, affecting both toxicity profile and usage. This aspect calls for added scrutiny during manufacture as the starting reagents, and by-products will behave differently under identical process conditions. We control reaction dynamics rather than trust that simple substitution will work out.
Sodium arsenite dissolves far more readily in water; calcium arsenite sits at lower solubility, making it less mobile in certain matrixes like paint or glass frits. That property turns out to be valuable for end-users who want arsenic present but require tighter control over leaching or mobility. Over the years, we have conducted side-by-side assays, measuring how each compound interacts under acid, base, or combustion conditions—all based on actual production scale, not theoretical data sheets. These practical comparisons inform both our guidance to customers and our internal decision-making.
Markets move. Feedstock pricing rises or falls with regulations, in-country logistics, and mining output. As direct manufacturers, we've run the numbers ourselves and put financial resources behind maintaining quality during cycles when others diluted or substituted to cut costs. We do not blend batches with third-party lots. We invest in backup raw material contracts so that production runs do not suffer gaps from external supply chain issues. This degree of control carries a burden few outside true manufacturing want to shoulder, but our experience makes it necessary.
Analytical reports generated on-site reflect the actual finished material, not an idealized version from a brochure. GC, ICP-MS, and titration results provide a clear snapshot for each outgoing lot. Every customer can see those results before accepting a shipment. Far from simply meeting legal minimums, our approach starts with a core belief that genuine manufacturing earns trust batch after batch.
In our laboratories, work on Calcium Arsenite has gone well beyond replication of literature methods. Changes to reactor design, mixing profile, and inlet feed rate have each come from direct observation and process data, not speculation or sales-driven optimization. We’ve scaled syntheses from flask to several-ton reactors, documenting each transition. Failures and breakthroughs both shape the final method as recorded in our operating protocols, making them grounded in experience instead of hope.
We've worked with university researchers and industrial chemists conducting mechanistic studies, including dissolution rates, particle morphology analysis, and long-term aging tests. Rather than treat research as a side venture, we integrate experiments into the cadence of normal production—using real production lots in performance testing, not pristine, non-representative samples. Insights into surface area, phase composition, and impurity profile feed back into our QA system.
Shipping Calcium Arsenite involves strict adherence to hazardous material classification. We keep logistics teams updated on evolving rules for inland transport and international shipping of toxic inorganic arsenic compounds. Shipments go out only in packaging designed for the rigors of transit, avoiding cross-contamination and moisture exposure. Over years of exporting to different regions, feedback from clients on packaging durability and documentation accuracy keeps us vigilant. Several clients have commented that our clear labelling and packaging minimized material rejections by customs or downstream processors.
Our longstanding relationships with hazardous goods carriers mean we can book secure space even in capacity crunch periods. In cases where climate or storage space forces creative scheduling, we keep material on-site under climate control until the client signals readiness. These concrete measures set us apart from third parties whose interest in the product ends at the invoice.
Being a manufacturer, every technical inquiry or performance complaint circles back to our own team—not another company or siloed support office. Over time, manufacturing expertise enables us to offer clearer, more actionable feedback to formulators, researchers, and plant engineers using our material. Past examples include troubleshooting pigment shifts in glass batches or unpacking why a certain formulation leached arsenic at a slower rate.
No client question receives a canned answer or redirection to a generic web portal. Recommendations and troubleshooting advice come from the chemists and engineers who actually handle the production process. In many instances, we have adjusted production conditions based on specific customer feedback, closing the loop between actual use and manufacturing reality.
Calcium Arsenite manufacturing sits under increasing regulatory scrutiny worldwide. As countries shift their restrictions and limits on inorganic arsenicals, we adapt both process and documentation. We keep track of evolving lists and statutes, while advocating for risk-balanced regulation over blanket bans. Our ongoing compliance relies on record-keeping, real lab data, and responsiveness to inspections, not one-off certifications or purchased approvals.
We have invested in process upgrades to cut emissions, recover effluents, and reduce overall arsenic throughput per kilo of finished material. Regular wastewater and air monitoring takes priority on our production floor, acting as both internal benchmark and regulatory record. Real manufacturer experience proves the difference between achieving actual environmental results and simply declaring "green" credentials.
We make Calcium Arsenite in our own facilities, with every step recorded and controlled by our chemists and operators. Customers avoid common pitfalls—mislabelled bags, off-spec lots, drawn-out claims—because they know the origin. In our experience, consistent product stems from unwavering control of both ingredients and process, never just opportunistic trading. Our relationship with buyers hinges on genuine performance, not theoretical advantages.
In summary, our position as a true manufacturer of Calcium Arsenite, rooted in years of hands-on production, lab verification, and safety management, sets us apart in an industry crowded with intermediaries. Direct knowledge and experience drive continuous improvement in quality, safety, logistics, and customer support. This foundation, built on real-world experience and ongoing investment, makes us a trusted supplier for industry, research, and specialty use. We believe in open communication and technical transparency, which helps our clients achieve their own goals while meeting evolving regulatory and environmental standards in the use of Calcium Arsenite.