Cobalt Sulfate Heptahydrate, 21% Co, for Industrial Supply and Sample 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
An industrial supply request should identify the hydrate and the current sample evidence needed by the buyer. TY-Cobalt Sulfate Heptahydrate denotes a red-brown industrial material with formula CoSO4*7H2O. Cobalt content is stated as 21% on an elemental basis.
Identify the heptahydrate in the purchase brief
Request current material identity, cobalt and impurity analysis associated with the proposed evaluation sample. State the actual application and its constituent acceptance limits. A model designation does not replace the analytical evidence needed for the project.
Keep elemental cobalt separate from salt purity
Confirm the reporting method and basis behind the cobalt result before comparing offers. The elemental content does not describe the purity of the whole hydrated compound. Any grade requirements for a battery, plating or other process need their own applicable documents and assessment.
Review physical values under their stated conditions
The reported pH interval is 3.5–5.5 for a 5% solution, and density is qualified as approximately 1.95 g/cm³. Ask for preparation and test methods before using these figures in a comparison. They are material measurements rather than process operating instructions.
- Agree the sample identity and analytical requirements.
- Review current technical, handling and relevant supply records.
- Assess the actual material against the intended-use criteria.
The salt is reported to be easily soluble in water, with no dissolution-time specification. Confirm the supplied cool, dry storage instruction away from moisture, and keep actual trial results with the sample records before making a final procurement decision.
