Cobalt(II) sulfate heptahydrate
Cobalt(II) sulfate heptahydrate (CAS: 10026-24-1) is a pink crystalline solid with the linear formula CoSO₄ · 7H₂O and a molecular weight of 281.10 g/mol. This inorganic salt is commonly used as a pigment and in the manufacturing of other cobalt compounds. Its properties make it valuable in various industrial applications, including as a drying agent in paints and varnishes.
- IUPAC
- Cobaltous sulfate heptahydrate
- Synonyms
- Cobaltous sulfate heptahydrate
Pigment Production
Cobalt(II) sulfate heptahydrate serves as a precursor in the synthesis of various cobalt-based pigments, utilized in ceramics, glass, and paints for their vibrant blue hues.
Drying Agent
It functions as a siccative, accelerating the drying process of paints, varnishes, and inks by catalyzing oxidation and polymerization of the binder.
Electroplating
Used in electroplating baths to deposit cobalt coatings, which offer enhanced hardness, wear resistance, and corrosion protection to various substrates.
Catalysis
Serves as a catalyst or catalyst precursor in various chemical reactions, particularly in industrial processes requiring oxidation or hydrogenation.
| Molecular weight | 281.10 |
|---|---|
| Linear formula | CoSO4 · 7H2O |
| Assay | ≥98% |
| Grade | purum p.a. |
| Density | 2.03 g/mL at 25 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
- H341Suspected of causing genetic defects
- H350I
- H360F
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P308IF exposed or concerned
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 49-60-22-42/43-50/53-68 |
| Safety statements (S) | 53-45-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Cobalt(II) sulfate heptahydrate used for?
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Cobalt(II) sulfate heptahydrate is primarily used in the production of pigments, as a drying agent in paints and varnishes, in electroplating, and as a catalyst in chemical processes.
What is the CAS number and formula for Cobalt(II) sulfate heptahydrate?
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The CAS number is 10026-24-1, and its linear formula is CoSO₄ · 7H₂O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cobalt(II) sulfate heptahydrate in purum p.a. grade with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade.
How should Cobalt(II) sulfate heptahydrate be handled?
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Handling requires caution due to its hazards. Use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Avoid inhalation, ingestion, and skin contact. Consult the Safety Data Sheet for comprehensive handling information.
Is Cobalt(II) sulfate heptahydrate a controlled substance?
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Cobalt(II) sulfate heptahydrate is classified with specific hazard statements including H341 (suspected of causing genetic defects) and H350i (may cause cancer by inhalation). It is also toxic to aquatic life with long-lasting effects (H410). Always refer to local regulations regarding its handling and use.
How is Cobalt(II) sulfate heptahydrate shipped or exported?
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Cobalt(II) sulfate heptahydrate is shipped and exported according to international regulations for hazardous materials. For shipments, it is classified under UN 3077, Hazard Class 9, Packing Group III.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team through the website or by phone, providing your specific requirements and delivery details.
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