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HS Code |
905447 |
| Product Name | Cobalt(II) Acetate Tetrahydrate |
| Chemical Formula | Co(CH3COO)2·4H2O |
| Molar Mass | 249.08 g/mol |
| Cas Number | 6147-53-1 |
| Appearance | Pink to red crystalline solid |
| Solubility In Water | Very soluble |
| Density | 1.705 g/cm³ |
| Melting Point | 140°C (decomposes) |
| Storage Conditions | Store in a cool, dry place |
| Hazard Classification | Harmful if swallowed, causes skin and eye irritation |
| Synonyms | Cobaltous acetate tetrahydrate |
| Pubchem Cid | 62655 |
As an accredited Cobalt(II) Acetate Tetrahydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Cobalt(II) Acetate Tetrahydrate, 500g, supplied in a sealed, labeled HDPE bottle with hazard symbols and safety instructions. |
| Shipping | Cobalt(II) Acetate Tetrahydrate should be shipped in tightly sealed containers, protected from moisture and incompatible substances. The chemical is typically classified as non-hazardous for transport, but standard shipping guidelines for chemicals apply. Ensure packaging prevents leaks or spills and includes appropriate labeling and documentation in accordance with relevant regulations. |
| Storage | Cobalt(II) Acetate Tetrahydrate should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and acids. Protect from physical damage, moisture, and direct sunlight. Ensure storage area is clearly labeled and equipped for chemical safety. Keep away from food, beverages, and out of reach of unauthorized personnel. |
Applications of Cobalt(II) Acetate Tetrahydrate in Industrial ManufacturingAs a dedicated chemical raw material producer, we support industrial sectors with Cobalt(II) Acetate Tetrahydrate designed for reliable process integration and downstream value. The following are primary application scenarios where our material delivers targeted performance, complying with industry-specific regulations and supporting diverse end-use production formats. 1. Catalyst Precursor for Terephthalic Acid ProductionDownstream manufacturers rely on this material in catalytic formulations for the oxidation stage of paraxylene to terephthalic acid, a critical intermediate in polyester resins and PET production. Consistency of assay and water content directly impacts catalyst preparation and reactor efficiency. Our quality control ensures predictable performance in high-throughput oxidation systems running under continuous or batch regime. Industry compliance standards
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2. Paint and Varnish Drier ManufacturingSpecialty coatings manufacturers deploy our product as a source of cobalt ions in the preparation of drier additives, driving oxidative curing in alkyd resins for architectural and industrial paints. Batch-to-batch uniformity in composition and hydration state supports predictable drying rates and resin crosslinking activity, which are critical for regulatory and customer drying performance specifications. Industry compliance standards
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3. Battery Cathode Material SynthesisProducers of advanced battery materials employ this chemical as a critical cobalt source in manufacturing lithium cobalt oxide and related cathode compounds. Purity levels, trace impurity profiles, and precise hydration all influence final energy density, safety, and cycle stability, especially for cylindrical and prismatic lithium-ion cells used in electronics and specialty devices. Industry compliance standards
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4. Polyester-Based Dry-Film Photographic and Printing Plate ManufacturingPhotographic film and printing plate manufacturers select this raw material as a modifier during polyester resin production to improve thermal and light stability. In polyester engineering, cobalt (II) acetate serves as a chain transfer agent or as an initiator ion, fine-tuning molecular weight distribution and enhancing product properties required for precision graphics and plate exposure technology. Industry compliance standards
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5. Porous Fischer-Tropsch Catalyst Preparation for Synthetic FuelsSpecialty catalyst manufacturers use this compound as a starting cobalt source to manufacture supported catalysts for the Fischer-Tropsch process, which converts syngas to synthetic fuels and base chemicals. Control of acetate decomposition and dispersion affects metal loading and surface area, which directly correlate with downstream process selectivity and catalyst lifetime. Industry compliance standards
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Producing Cobalt(II) Acetate Tetrahydrate over the last several decades has brought to light a shift in demands across the chemical, catalyst, and battery industries. Factories did not always emphasize purity or trace metals; now, expectations for metal acetates have never been higher. Labs and process engineers are watching every lot not just for specification but for consistency in handling, solubility, particle habit, and residue after calcination. Our daily work has built on this expectation. Chemists and technical buyers have stress-tested our batches under a hundred different scenarios. We know from the lab benches, rotary evaporators, and reactors exactly what pain points turn up, and we’ve invested in meaningful improvements.
At the core, our Cobalt(II) Acetate Tetrahydrate appears as pink-mauve crystalline granules, crystalline solid thanks to careful hydrate management and temperature control throughout the process route. We produce under batch conditions to eliminate unpredictability between production runs. Every kilogram carries batch certificates, but, more importantly, the bulk material shape, flow, and reactivity keep consistent from drum to drum. Our operations group worked out the kinks in moisture control during storage and shipping—no powder clumping or caked product, so dosing with augers or scoops runs smooth.
Particle habit always matters to a formulator. Dust is not just a nuisance; it means loss, inconsistent dosing, and exposure. With our product’s controlled crystallization process, we push toward clean, free-flowing granules, not fine powder. Even for large-scale soak tanks at metal-coating plants or catalyst prep workshops, this feature means less loss and safer plant air.
Specifications only matter when they connect with real-world uses. In our experience, high-purity Cobalt(II) Acetate Tetrahydrate is demanded in battery applications. In laboratories aiming for reliable salt metathesis, downstream chemical syntheses, or research work in organic synthesis, nobody wants trace metals wrecking a complex organocobalt catalyst. Modern coatings, electroplating, or pigment production want not just metal content but also low sodium, calcium, iron, and nickel. Levels below 0.005% tend to meet most needs; getting lower sometimes means the difference between acceptance and discard in sensitive chemistries, especially when customers run reanalyses on their own lots.
We set our assay for cobalt content above 23%, and check every batch for pH, chloride, sulfate, and calcium. Lab input made it clear that old habits in drying or storing acetates risked losing crystal water or inducing caking—our drum and bagging systems now guard the water content, giving reliable tetrahydrate each time. This means your batch doesn't just land within the minimum cobalt content, but it stands up to further physicochemical checks at your site. Our product typically contains less than 2% non-volatile residue, and loss on drying sits in a predictable range, reflecting proper hydration and cleaning.
Clients talk about “spec differences” between Cobalt(II) Acetate Tetrahydrate and everything else on the shelf, from anhydrous cobalt acetate to other metallic salts. Direct handling experience reveals a few stand-out practical divergences. Tetrahydrate offers distinctly better solubility in water and alcohol than the anhydrous form. Formulators involved in wet-batching, solution preparation, or uniform coating work need this predictable dissolution.
In metal-organic frameworks or catalysts where predictable hydration is crucial, anhydrous acetate often gives too much variability or shocks to solubility curves. Tetrahydrate, with its tightly regulated water content, bridges that gap. Electroplaters have told us repeatedly that dissolving, dosing, and even waste treatment go smoother with tetrahydrate, especially in automated dosing systems.
Comparisons to cobalt carbonate, nitrate, or sulfate bring up an entirely different axis. Acetate’s unique organic counterion lowers contamination in syntheses where strong acids or oxidizers disrupt standard operations. Nitrates invite side reactions or leave residue, and sulfate contamination concerns make acetate a cleaner choice. In pigment and ceramics preparation, acetate decomposes predictably, delivering volatile byproducts that leave minimal inorganic ash; this suits both high-temperature and coloring applications.
Pricing sometimes raises questions, but when your process stakes output on batch-to-batch purity, consistent moisture, and particle habit, the slightly higher cost of tetrahydrate acetate pays back. Supply stability and technical cooperation with the manufacturer (rather than with traders who never lay eyes on the product) also improves troubleshooting and logistics.
Most stories we hear from the field start with a workable process running into trouble. Battery makers want cobalt with few trace metallics that could poison electrodes. Electroless nickel and cobalt plating operators need stability across multiple solution make-ups. Some customers in pigment and frit production want minimal residue, avoiding inclusions or impurities that could alter color or strength. In each case, distinct features of Cobalt(II) Acetate Tetrahydrate have resolved these. The relatively straightforward solubility of acetates contrasts with the stubbornness of other cobalt salts; in a busy reactor line, this spells turnout speeds and reduced cleanup.
We worked at length with electronic materials customers, many of whom run ultra-sensitive detection for metals like iron, nickel, zinc. They require not just a certificate but data confidence—that the lot will not spike readings or introduce ghost peaks during spectrometry. This meant pushing our own QC to be more rigorous, back-checking not only from our side, but running comparisons on blind samples sent to third-party labs. Repeat measurements on our product rarely cause rejection after delivery, which means less waste downstream. For each user, compositional predictability means reduced downtime, fewer off-spec sheets, and repeatable properties in catalysis and color.
The debate between continuous and batch production shapes more than production speed. Our experience over many years has shown that batch production lends itself to control and traceability, essential for meeting tight specs in specialty chemicals. Automated batch reactors, monitored in real time for pH, temperature, and agitation, guarantee that each lot’s physicochemical signatures stay within the target window. Vacuum drying apparatus and closed transfer lines prevent airborne contamination, delivering higher purity than open-process material.
Finishing equipment, from stainless steel filters to dust-tight bagging, prevents cross-contamination with other acetates or salts made in the plant. Investing in particle-size monitoring tools at the finishing line pays dividends for downstream users who calibrate dosing systems to a specific flow. We have fielded routine questions from clients who had powder bridging or clumping using commodity material; side-by-side comparisons in their plants nearly always favor our controlled granularity and flow. These details, seemingly small, matter for anyone who works with large volume, automated blending, or continuous-feed operations.
Hazards handling cobalt compounds are well documented. Our approach, shaped by repeated feedback from the floor, centers on low-dust materials and sealed packaging to cut exposure risk. Traditional methods involved open-drummed material, but we shifted to valve-sealed, multi-ply lining years back. Health and safety officers from end-user plants regularly visit for audits; seeing first-hand how automated bag-filling and air-assisted discharge reduce hand contact and keep product off the floor has strengthened both trust and uptake.
Materials like this call for dedicated gloves and respirators, but reducing even minor powder loss means less air and skin risk for plant operators. Chemists working in university or industrial settings often note fewer spills or clean-up events with compacted granules than with pure powders. Our technical support prepares documentation not simply for regulatory checkboxes but to reflect practical handling tips—where to apply double-containment, which dust mask standards actually make a difference, and how to conduct spill drills relevant to hydrated acetates.
Wastewater treatment engineers have also highlighted the importance of having access to detailed, batch-specific information, helping avoid permit violations due to excess cobalt in effluent streams. Regular dialogue with users keeps handling recommendations anchored in real-world use, rather than generic lab safety copy.
Having supplied Cobalt(II) Acetate Tetrahydrate for industries as different as ceramics, catalysts, agriculture, and battery work, traceability shows its true value not in paperwork but when something out of the ordinary happens. Should a rare deviation occur in analysis, quick access to batch production records, source cobalt metal lot, reagent monitoring, and equipment logs streamlines the hunt for root cause. We document the entire lot history, not for regulatory display, but for real correction if a downstream client flags a change in performance.
The move toward full digital tracking was born from solving real problems. Digital product batch files—tracking not only product specs but also time, temperature, humidity, and filtration checks—have proven valuable when users run into process upsets or supply chain audits. Batch feedback sometimes helps us uncover and fix issues even before they escalate downstream, cementing direct manufacturer-customer collaboration instead of hands-off, shipment-only relationships.
Our lot rechecking includes not only chemical analysis but secondary confirmation—such as weight, granule fraction, and dust residue—which sometimes catches anomalies missed by standard assays. The direct communication channel from our technical team to process chemists or buyers avoids the missteps that can arise with resellers or long distribution chains, where key information may go missing.
The last ten years showed an unmistakable swing toward higher-purity cobalt salts, especially for battery and electronic applications. Older grades—acceptable for glass or ceramics—cannot match today’s requirements. Trace iron, nickel, or other transition metals risk shorting or performance fade in battery cathodes. In autocatalysis, platinum group metals or organometallics lose activity if contaminants stack up, leading to expensive process shutdowns.
Experience has shown that a flexible, responsive production strategy—pairing process control with the human eye—is the only way to keep up. We faced week-to-week demand surges from battery makers, while pigment formulations sometimes called for large, single-lot shipments. Rather than offering one-size-fits-all material, our internal communication between planning, production, and technical service has allowed delivery of just the lot size and grade the customer needs, produced to order, and shipped on reliable timelines.
Penalty charges or product returns almost always connect to mismatched technical communication, so we maintain open lines with R&D chemists and plant engineers, taking pre-shipment counter-samples and adjusting if test results call for it. By staying close to the technical specifications that matter, such as moisture range, bulk density, and contaminant capping, we support clients in tackling tight project schedules.
Each year, environmental scrutiny on heavy metal processes grows. Cobalt involves additional responsibility, given its status on various regulatory and industry watchlists. Our manufacturing plant invested in closed-loop water management and exhaust filtration to reduce releases. We maintain a regeneration setup for spent process solutions, reclaiming and refining leftover cobalt, which reduces both cost and environmental footprint. Interest in post-consumer cobalt recycling has sparked plant-level collaborations, with battery and electronics makers seeking partnerships to “close the loop”—converting recovered cobalt back into high-purity acetate for new uses.
We have adjusted process steps for dehydration and water recycling, minimizing evaporative loss and cutting utility consumption. Audit programs track our annual progress against benchmarks, not because it's required, but because resource conservation reduces real costs and builds trust with customers. For buyers under pressure to track metal origin and environmental impact, direct lines to the production team help confirm that sourcing and production methods align with current best practices.
Manufacturers, researchers, and technical managers have never stuck with one “set and forget” acetate. With changing downstream applications—batteries, high-performance cermets, even specialized agrochemical processes—the questions keep coming. As a manufacturer, our involvement doesn't end when the last drum leaves the plant. Field feedback loops continue to shape investment. Expanded drying and blending systems are under review, as is further automation of filling to ease ergonomics and reduce contamination.
Requests for documentation—purity, origin, byproduct management—keep growing, so our support team makes both digital and phone lines available to address real-time questions from chemists to purchasing heads. When customers call with questions about alternative grades or new process trials, we open space in our pilot plant to test feasibility, meaning future variants could appear, shaped by actual plant trial outcomes, not by tables in a catalog.
Each year sees a new wave of challenges: supply chain disruptions, energy cost swings, and ever-stricter customer audits. Our approach stands, anchored in robust, transparent production, responsive technical support, and the lessons learned from years of listening to those who rely on this crucial salt. As Cobalt(II) Acetate Tetrahydrate continues to underpin advanced manufacturing processes, the work of making, testing, and adapting the product continues. Our commitment holds steady, aiming to keep ahead of tomorrow’s technical and commercial requirements.