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Calcium Bromate

    • Product Name Calcium Bromate
    • Alias Bromic acid calcium salt
    • Einecs 236-938-2
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    542221

    Name Calcium Bromate
    Chemical Formula Ca(BrO3)2
    Molar Mass 295.89 g/mol
    Appearance White crystalline solid
    Solubility In Water Soluble
    Melting Point 180 °C (decomposes)
    Density 3.2 g/cm³
    Odor Odorless
    Cas Number 13765-94-7
    Oxidizing Agent Strong oxidizer

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

    Packing & Storage
    Packing White, sturdy 500g plastic bottle with screw cap; safety label displays "Calcium Bromate" (Ca(BrO₃)₂), hazard symbols, and handling instructions.
    Shipping Calcium bromate should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It must be transported as an oxidizer (hazard class 5.1), away from flammable or organic materials, in accordance with local, national, and international regulations. Proper labeling and documentation are required to ensure safe handling during transit.
    Storage Calcium bromate should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture, heat, flame, and incompatible substances such as organic materials and reducing agents. Keep it away from combustibles and strong acids. Clearly label the storage area and ensure it is suitable for oxidizing agents to prevent hazardous reactions or contamination.
    Application of Calcium Bromate

    Applications of Calcium Bromate in Industrial Manufacturing

    Calcium bromate is a specialty oxidizing agent with targeted roles in controlled downstream industries. We manufacture this compound to meet specific technical and regulatory requirements tailored to key industrial application scenarios. Below, we detail its principal uses, informed by direct production experience and validated downstream integrations.

    1. Flour Oxidizer in Commercial Baking

    Major bread manufacturers and industrial bakeries use calcium bromate as a maturing agent to enhance the strength and elasticity of wheat flour doughs. Its primary role is controlled oxidation during dough fermentation, yielding improved dough handling and standardized loaf volume. This application abides by strict food safety regulations, and its dosage is tightly regulated, with finished baked products required to contain no detectable bromate residue. Our calcium bromate undergoes rigorous QC testing to meet food additive purity benchmarks, and we provide granular data for customers’ quality documentation and audit requirements.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius for food additives
    • European Union Regulation (EC) No 1333/2008 (note: currently banned in EU, but applicable to historical/technical export markets)
    • US FDA 21 CFR 172.730 (for historical reference, bromates now restricted in the US)
    • Chinese GB 2760 standard for food additives

    Typical usage ratio

    • 10 – 75 mg per kg of flour, adjusted based on flour strength, protein content, and baking process. Processors must ensure end-product bromate below regulatory detection limits.

    Downstream process integration

    • Add directly to flour prior to blending in high-shear industrial mixers; consistent dispersion critical for even oxidation. Batch QA/QC sampling performed after flour milling and immediately before dough formation.

    Final product types

    • White sandwich bread
    • Commercially pre-sliced loaves
    • High-volume bakery buns/rolls
    • Institutional bakery flour premixes

    2. Laboratory Oxidizing Agent for Analytical Synthesis

    Analytical and research laboratories rely on calcium bromate as a source of bromate ions in redox titrations and various inorganic synthesis protocols. Its reproducible reactivity supports method validation for routine quality control testing in pharmaceutical and chemical sectors. We supply high-purity grades tailored for analytical procedures where batch-to-batch consistency is a critical parameter for downstream applications, particularly where trace element control is essential for reliable assay results.

    Industry compliance standards

    • ACS Reagent Chemicals purity standards
    • ISO/IEC 17025 laboratory accreditation compatibility
    • Pharmacopoeial specifications for reagent quality (e.g., USP, EP monographs for laboratory reagents)
    • GLP (Good Laboratory Practice) principles

    Typical usage ratio

    • Concentration depends on titration endpoint—commonly prepared at 0.01 - 0.1 mol/L for volumetric analysis. Users adjust based on protocol requirements and analyte concentration.

    Downstream process integration

    • Dissolved in deionized water to the required molarity immediately prior to redox titration or reagent preparation. Used as an oxidant in spot tests or colorimetric assays within pharmaceutical QC programs or academic research.

    Final product types

    • Titration standards for chemical QC
    • Calibrated laboratory solutions
    • Analytical reagent kits
    • Synthesized reference compounds for compound libraries

    3. Synthesis of Fire Retardant Compounds in Specialty Chemicals Manufacturing

    Chemical manufacturers select calcium bromate as an intermediate oxidizer for preparing brominated fire retardants and flame-resistant additives for plastics, textiles, and coatings. Its controlled oxidative release profiles allow precise incorporation into multi-step synthesis flows, enabling downstream formulators to introduce reactive bromine moieties under tightly regulated safety conditions. We supply this material to established manufacturers with certified handling protocols for halogenated intermediates.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for registration and safe handling
    • ISO 9001:2015 certified production
    • GHS/CLP hazard labeling and transport regulations
    • ASTM flame retardant compound guidelines

    Typical usage ratio

    • Added at 1–10% w/w in reaction mixtures, depending on target molecule structure, reactor volume, and oxidation step requirements. Manufacturers determine optimal dose through process modeling trials.

    Downstream process integration

    • Introduced during the oxidation stage of batch or continuous flow reactors; often combined with secondary catalysts or phase transfer agents. Reacted under nitrogen blankets with process control analytics to monitor bromination completion.

    Final product types

    • Brominated flame retardants (additive/intermediate type)
    • Coating resin fireproofing components
    • HFR (halogenated flame retardant) masterbatches for thermoplastics
    • Brominated textile finishing agents

    4. Chemical Oxygen Generation in Emergency Supply Devices

    OEM component suppliers incorporate calcium bromate in chemical oxygen generators used for emergency breathing apparatuses on aircraft and in confined environments. Its decomposition, triggered by initiator agents, yields a dependable oxygen supply on demand. In these applications, purity and controlled particle size play a crucial role in predictable performance, while downstream manufacturers audit every input to verify device certification and operational safety.

    Industry compliance standards

    • ISO 9001:2015 and ISO 13485:2016 (for medical/emergency device parts)
    • FAA TSO-C103 compliance (for aircraft onboard chemical oxygen generators)
    • EN 13794:2002 for self-contained closed-circuit breathing apparatus
    • Hazardous materials transportation regulations (e.g., ADR, IATA DGR)

    Typical usage ratio

    • 15–25% by weight in multi-component oxygen candle formulations, adjusted to required oxygen volume and burn time for specific device size and deployment scenario.

    Downstream process integration

    • Formed as a core oxidizer within pressed pellet or granular mixtures alongside fuels and binders, sealed under controlled humidity. Strict weighing integrity and mixing homogeneity verified by process QA before device assembly and canister sealing.

    Final product types

    • Aircraft emergency oxygen generators
    • Personal safety breathing packs
    • Industrial mine rescue air supplies
    • Submarine and closed-space oxygen release systems
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    Certification & Compliance
    More Introduction

    Calcium Bromate: Product Insights From the Manufacturer’s Floor

    Experience Shapes Our Manufacturing Approach

    Every batch of calcium bromate that leaves our facility carries lessons learned on the shop floor. Our experience producing this compound stretches back multiple decades, shaped by shifts in technology and demand. Over time, we’ve seen its uses broaden from narrow application in chemical synthesis to more mainstream roles in water treatment and specialty oxidizing processes. The machinery, raw material lots, and the hands that manage them all shape the outcome—down to the smallest percentage of purity or trace residue.

    Most of the calcium bromate produced here meets the needs of water system operators and chemical processors who require a dependable oxidizer. We commit to a minimum assay of 98.0% Ca(BrO3)2 for recurring orders, but the focus isn’t just on purity numbers. Uniform particle size for even dissolution, dry flowability to speed up blending, and the control of trace calcium bromide have all become just as critical. Our team marks every lot by production date, shift, and test results, linking a human face to every ton produced. Traceability rests at the heart of our process.

    Calcium Bromate: What Sets It Apart

    Every chemical compound tells its own story. Calcium bromate isn’t the cheapest oxidizer on the catalog, and there are years when demand dips as users try sodium bromate or potassium bromate for formulations. Still, those who come back to calcium bromate usually have a clear reason. The lower sodium and potassium content matters for applications sensitive to alkali metals—like certain bromate-free food production lines, or niche electronics treatment baths.

    Our operations staff tracks the shift in demand every quarter. Sodium bromate, the obvious peer, remains the choice for budget buyers. Potassium bromate, regulated in many regions for food safety, surfaces less often in direct food chain applications, so we rarely see manufacturers cross-shop it for water-related processes. Calcium bromate’s solubility allows for practical use in controlled dosage situations, offering slower dissolution in water compared to sodium forms, which can benefit systems that require sustained oxidizing action rather than sharp, short-lived spikes.

    These chemical and physical differences might look subtle in a side-by-side comparison. In practice, plant operators tell a different story: less risk of sudden over-oxidation, easier handling, and if a line is built for calcium input, far fewer recalibrations are needed. For some users, avoiding the addition of sodium to their process trumps marginal cost savings.

    The Work of Manufacturing Quality Calcium Bromate

    Through the years, our workflow has settled into a predictable but demanding groove. Calcium bromate production starts with reagent calcium hydroxide, reacted under tightly metered conditions with pure bromine water. Each variable—temperature, time, material proportions—carries real impact. Operators stay alert for shifts during precipitation, since overreaction leaves an unmanageable cake, and under-dosing shortchanges necessary yield.

    Unlike outsourced or resold lots, every drum from our line passes through a direct inspection. Regular sampling, titration, and instrumental assays keep the process in check. No automated system stands in for human experience here; our plant chemists have a sharp eye for color change and crystalline habit that machines can’t easily replicate. We store our calcium bromate dry, under controlled humidity, to keep caking and moisture uptake at bay. As a white crystalline powder, it absorbs water if left exposed, so packaging and storage stand nearly as vital as raw materials and process chemistry.

    Safety, Handling, and the Real-Life Challenges of Storage

    Our production line built its storage practices the hard way. Years back, a run of poorly sealed containers brought us a batch with visible caking and off-odors. Nothing is more exasperating than seeing material lost to improper sealing. Oxidizers demand respect. Calcium bromate won’t ignite on its own, but it gives off oxygen readily when heated or mixed with organic material. Those lessons led us to double-bagging, moisture-indicator strips, and a no-excuse policy on raw material traceability. Bulk containers never leave the facility without being checked visually and according to our dissolution rate test.

    Operators in downstream industries need crystal-clear guidance. Packaging carries not only batch numbers but codes indicating operator, container type, and storage method. For all the training, most incidents in the industry come from assuming one oxidizer handles just like another. We supply MSDS documentation and hold quarterly update meetings with end-users who operate large-volume systems, passing on the workarounds and small improvements learned from experience.

    Critical Applications and Real User Feedback

    Not every user sees calcium bromate the same way. One season, it goes largely into the production of brominated intermediates, as a steady, controlled oxidizer without potassium or sodium loading. In the next, a spike in local regulations restricts sodium ions in certain wastewater streams, so demand picks up in water treatment. Operators running these plant lines call in with detailed reports—how fast the product dissolves, how often filters blind early, how much solid remains after the expected dose. Every recurring issue leads us back to a closer look at assay, particle sizing, and impurity content.

    Repeated user feedback has shaped our process. Cases where users reported undissolved fines pushed us to review our milling process. Raising the standard lot test to include both solubility and wet sieve analysis came out of these requests. Food- and pharma-grade operators remain the most vocal. They look for not only purity but consistent, low levels of calcium bromide as an impurity, knowing regulatory inspection hinges on trace-level reporting. Our records track every change in process—right down to batch water source and operator shift.

    Managing Consistency, Process Drainage, and the Human Role

    Manufacturing calcium bromate at scale doesn’t leave much room for guesswork. We have upgraded our mixing tanks multiple times in response to problem batches. Once, a cooling system failure led to an overreacted lot and subsequent downtime. These hiccups underscore the importance of close equipment monitoring and thorough maintenance. Batch-to-batch variation not only challenges internal quality checks but breeds uncertainty in customer operations.

    Direct involvement of experienced staff has proved non-negotiable. Errors in weighing or mixing cascade quickly; a single shift can define whether a ton of material ships or is reprocessed. Our best process improvements rarely appear in technical manuals—they come from suggestions on the floor. For instance, switching to fine-grain calcium hydroxide improved our yields and simplified filtration, thanks to an idea pitched during a routine shift change. Designing the work with the people who do it every day builds efficiencies that consultants and external audits sometimes overlook.

    No membrane or filtration system escapes scrutiny either. Calcium bromate’s crystalline nature means that fine impurities can blind filters or foul downstream pumps. Our maintenance techs routinely strip down and test equipment using spent wash water to ensure we aren’t sending issues downstream to customers. Handling these materials daily, we see firsthand how a slightly different process temperature or an unfamiliar shift of raw materials can upset the whole line. These checks aren’t just for show—they keep the product within spec and the plant running.

    Addressing Environmental Concerns and Regulatory Pressure

    As a manufacturer, environmental oversight shapes our entire process. Local, regional, and national requirements change often in response to bromate’s classification as an oxidizing agent with recognized aquatic toxicity at high concentrations. Our plant answers not just to compliance officers but to nearby communities and water authorities. Each waste stream gets monitored; bromate residues are removed or neutralized before any discharge.

    The permit paperwork rivals the production records in size. This isn’t just a matter of law—the trust of our workers and neighbors remains on the line with every drum produced. We installed closed-loop cleaning on all major vessels, reusing wash waters after bromate removal procedures to cut waste and reduce input needs. Our operations team runs density and residue checks on all wash water and stormwater runoff, adjusting waste handling based on results logged in real time.

    Oversight increased as public and scientific scrutiny of bromates rose. Evidence indicating chronic low-level exposure risk prompted us to pull together cross-disciplinary teams to study removal and abatement methods. This led to the rollout of ion exchange, UV-catalyzed destruction, and direct filtration at our plant for any effluents containing trace bromate. We log our effluent test results, submit them directly to regulating authorities, and make those records available for inspection by local water boards and industrial partners.

    Challenges in Sourcing and Raw Material Fluctuations

    Raw material volatility makes long-term planning a real balancing act. Global supply shifts, weather extremes, and geopolitical events all ripple down to the price and reliability of calcium hydroxide and elemental bromine—the core reactants for calcium bromate. A harsh winter can slow tanker routes or halve output from key suppliers. We maintain extended contracts with primary and secondary sources, and a lean inventory policy matches production to forecasted orders, with a margin set aside for emergencies.

    During unpredictable stretches, plant managers approve overtime to keep output up and quality unaffected. Once, a spike in bromine prices forced a redesign of our dosing system to squeeze better efficiency from every reaction. Small shifts in calcium hydroxide quality—often overlooked on paper—take center stage during these periods. Even a single batch with slightly higher silica content might gum up the reaction and throw off filtration, derailing an entire product line’s reliability.

    These sourcing challenges feel personal—workers know the impact of short runs and the resulting fatigue of extra shifts. Production scheduling moves from spreadsheets to whiteboards in the lab during these times, with hand-written notes for upcoming resupply and projected batch sizes. By staying in constant contact with upstream suppliers and preparing to switch between alternate grades, we limit the risk of shortages affecting customers downstream.

    Supporting the Operators and Partners Who Rely on Calcium Bromate

    Working directly with clients brings both pressure and reward. We receive calls at odd hours from operators adjusting feed rates in real time, engineers troubleshooting unexpected residue, or researchers asking about non-standard particle size distributions. On-plant visits, training sessions, and remote troubleshooting all form part of our support program. Fielding questions from engineers and plant operators isn’t a box-ticking exercise—it’s the feedback loop that keeps our product improving and our relationship with users strong.

    We make a point to document the most common process questions and bring those insights back to our production engineers. If an operator at a water plant sees increased fines, we revisit our drying parameters or adjust sieve settings. Our technical support group regularly participates in on-site problem solving—not just over the phone but in person, working shoulder-to-shoulder with the customer’s crew as processes restart or formulas change. These visits teach us the value of taking work boots out into the field, listening to how our product behaves in the real world, and correcting course before a minor concern grows into supply interruptions.

    Practical support also includes shipping smaller test lots, modifying packaging for unique feeder systems, and providing out-of-spec samples for research applications. Where larger chemical traders deliver off-the-rack solutions, we tailor batches for end users grappling with local water properties or process fluids. Plant workers facing a new regulation or feeding a new process know they can call someone on our team who will walk through their process design and safety case, bringing not only technical data but lessons learned from years of hands-on problem solving.

    Looking Ahead: Innovation, Readiness, and Accountability

    Several trends are pushing the calcium bromate world into new territory. More water authorities are clamping down on sodium content, shifting attention toward calcium-based alternatives. Process automation continues to advance, yet in our experience, success still depends more on training and human oversight than sensor arrays. We’ve invested heavily in next-generation monitoring tools, but we haven’t let automation become a crutch—every new piece of kit gets trialed, reviewed for real-life reliability, then adopted only where it proves a genuine match for plant and people.

    Constant learning from each production run, from each customer audit, elevates our operation. Keeping up with both science and regulation takes a lot of reading and experimentation. We partner with local research institutions to test novel application processes and new purification methods. Some recent projects explored enzyme-catalyzed processes, alternative bromine recovery methods, and the impact of minute impurity shifts on downstream industrial reactions. These efforts shape future product offerings, allowing better performance, sustainability, and safety profiles.

    Pressure for environmental accountability also builds fresh opportunities. Some customers now seek lower-carbon-footprint chemical options or materials with established take-back routes. Each time we improve a process yield or cut a waste stream, both the expense sheet and the environment benefit. Our next phase includes closed-loop solvent recovery and a commitment to report environmental impact in customer documentation. The work ahead remains demanding, but the direction grows clearer with every project and partnership.

    Choosing Calcium Bromate From a Manufacturer’s Perspective

    Decades of experience have shown that producing calcium bromate isn’t just about supplier-customer transactions or passing quality control checks. Each step—from raw material sourcing to final product inspection—includes a hands-on component and direct accountability. Our team keeps in close contact with the realities of chemical processing, emphasizing the importance of communication, service, and practical support for every order.

    Applications in water treatment, synthesis, and specialty oxidation processes all benefit where proper material handling and a predictable supply chain come standard. Operators relying on stable, high-purity lots appreciate both consistent batch properties and the ability to pick up the phone for answers about process issues. Regulatory shifts and environmental compliance both keep our operation sharp, but the drive always returns to knowing the people behind each product order and supporting their mission.

    As the industry moves, so do we—staying focused on precise, safe, and sustainable calcium bromate for every partner’s evolving needs.