Cobalt(II) gluconate hydrate comes from combining cobalt salts and gluconic acid under controlled conditions, ending up in a material that takes the shape of pale pink crystalline flakes or powder, depending on the drying process. Some powders appear lilac, occasionally tending toward bluish tones in high-hydration samples. A closer look at the flakes reveals an almost pearly luster on surfaces with higher reflectivity, catching light in a way not every salt or metal supplement achieves. Its solid form holds together well and resists caking in low-humidity storage, making it useful and dependable as a raw material.
Cobalt(II) gluconate hydrate has a molecular formula of C12H22CoO14•xH2O, with the “x” accounting for the number of loosely bound water molecules that depend on handling and storage. The molar mass sits around 406.2 g/mol for the fully hydrated salt, shifting slightly as water content varies. At room temperature, both powder and flakes dissolve readily in water, giving bright pink solutions even at relatively low concentrations. Measured density ranges from 1.870 to 2.010 g/cm³, floating at the denser end for hydrates. This density means containers need careful labeling during transport or mixing so engineers and handlers avoid accidental overdosing in preparations. Many batches arrive in plastic jars or multi-layered bags for moisture resistance; exposure to air can increase water absorption, sometimes shifting the weight and behavior of the product over time.
In its finished state, Cobalt(II) gluconate hydrate ends up as flakes, powder, or pearls, though large-scale manufacturing more often gravitates toward powder or crystalline forms for ease of weighing and mixing. As a raw material, it finds regular use in dietary supplement manufacturing and certain industrial chemical processes where cobalt ions are required in a soluble, organically-ligated form. Its solubility and stability help ensure effective blending into liquids and gels, or controlled release in solid tablets. Chemists and formulators turn to this specific salt when working with solutions for energy metabolism studies, animal feed supplementation, and some battery research. At room temperature, flakes stay firm while powder edges toward clumping if kept in damp environments. This property asks for containers with reliable seals, especially in warm labs or factories.
Structurally, the material contains a central cobalt ion (Co²⁺) chelated by gluconate ligands, with hydration shells strongly bonded around the core complex. The structure’s stability means less risk of spontaneous cobalt release or gluconic acid loss under normal storage conditions. Analytical laboratories look at these complexes to determine trace levels of contamination in samples, relying on the distinctive spectroscopic signatures. The HS Code for this compound usually falls in the chemical and salt categories, often around code 2918160000 (for gluconates), but specific classification depends on water content and national tariff schedules. Typical product specifications cite purity above 98%, with absence of heavy metal contaminants well below established thresholds.
As with most cobalt-containing materials, Cobalt(II) gluconate hydrate requires a thoughtful approach during use and disposal. Inhalation or ingestion in amounts above nutritional limits can lead to health effects, such as allergic responses or more severe cobalt toxicity in the liver and cardiovascular system. People who have experience working in chemistry labs will recall the faint metallic tang measured in the air around spilled material, reminding workers to wear gloves and use local exhaust ventilation. The compound isn’t classified as highly flammable but still deserves cautious storage away from oxidizers, acids, or incompatible substances. Material Safety Data Sheets identify it as harmful when taken in large amounts or repeatedly inhaled as dust. National health agencies classify it as a chemical to keep away from food production lines unless expressly allowed. Anyone transporting this material should note the density and hydrate form—spilled powder spreads and turns slippery, especially on metal or tile floors.
The need for care not only protects workers and consumers but helps organizations meet regulatory requirements and public expectations around chemical use. Companies benefit from regular review of secure packaging methods, humidity controls, and reliable documentation of each batch’s origin and composition. I’ve seen the difference paying attention to these details makes, especially in settings where product recall or worker exposure issues can disrupt business for months. The science points clearly: air-tight containers, proper labeling, and routine environmental monitoring help avoid accidental releases. Training sessions with chemical handlers reinforce the right way to weigh, transfer, and dispose of unused materials, with spill control kits placed near handling zones as a matter of good practice.
Cobalt(II) gluconate hydrate stands as an important compound for manufacturers and researchers needing a reliable cobalt source. Its clear appearance, solubility, and molecular structure all support diversified applications, but handling and storage standards shape whether a batch enhances or undermines safety and product integrity. Facilities working with this compound face sharp requirements for documentation, hazard assessment, and personal protective equipment. Decision makers in supply management and laboratory operations find that paying attention to details—density, water content, storage protocols—brings benefits that reach beyond any one purchase order. The lessons learned in the field underline the value in real chemical stewardship, transforming a pale pink powder into a dependable resource, not a potential risk.
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