Industrial Cobalt Sulfate Heptahydrate, 21% Co, for EV Battery and Energy-Storage System Enquiries
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ColorRed-brown
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CAS No.10026-24-1PurityCo 21%
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AppearanceRed-brownApplicationcobalt salt, Lithium battery, Electroplating, Catalyst, Pigment and ceramic
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ClassificationSulphateEINECS No.600-050-9
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Grade StandardIndustrial GradeMolecular FormulaCoSO4*7H2O
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Other NamesCobalt Sulfate Heptahydrate, Cobalt sulfate, Sulfuric acid cobalt saltTypeCobalt Sulfate
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Hs code28332990SolubilityEasily soluble in water
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pH Value3.5 -5.5 (5% solution)DensityApprox. 1.95 g/cm³
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Molecular Weight281.10Packing25kg bag or 1000kg jumbo bag
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StorageStore in a cool, dry place, away from moistureShelf Life2 Years
EV battery and energy-storage system enquiries should identify the component that will use the cobalt salt. The material specified as TY-Cobalt Sulfate Heptahydrate has formula CoSO4*7H2O and stated elemental cobalt content of 21%. It carries an industrial-grade designation.
Build the component brief around constituent acceptance
Describe the intended chemistry and the composition requirements the sample must meet. Obtain current cobalt and impurity analysis on the reporting basis needed by the project. The cobalt percentage is not the purity of the entire heptahydrate and does not establish battery-grade qualification.
Keep the solution-pH condition with every comparison
A 5% solution is the stated condition for the reported pH range of 3.5–5.5. Confirm the preparation and measurement procedure when comparing current reports. That material test does not set an operating pH for an EV component or an energy-storage manufacturing process.
Review appearance and physical reports for the actual sample
The supplied appearance description is red-brown, and density is given as approximately 1.95 g/cm³. Request the density method and any additional physical information required by the component brief. Easy water solubility is reported qualitatively, without a dissolution-time result.
- Confirm the heptahydrate identity and current constituent analysis.
- Agree the actual component and process criteria.
- Review controlled results for the sample evaluated.
Electroplating, catalyst, pigment, ceramic and cobalt-salt projects require separate qualification. Retain current technical and handling documents with the sample records, and confirm cool, dry storage away from moisture before final selection.
