Cobalt(II) phosphate hydrate
Cobalt(II) phosphate hydrate (CAS: 10294-50-5, Formula: Co3(PO4)2) is a pinkish-red crystalline powder, insoluble in water. Its primary utility lies as a pigment in ceramics and glass, and as a precursor in the synthesis of other cobalt compounds. It is also employed in specialized catalytic applications and in the development of advanced materials. Tech Serve Solutions offers this compound for research and industrial purposes, adhering to strict quality standards.

Pigments and Colorants
Cobalt(II) phosphate hydrate serves as a pigment, imparting a distinctive pink to red hue to ceramics, glazes, and glass formulations. Its stability at high temperatures makes it suitable for durable colouring applications.
Catalysis
This compound can function as a catalyst or a catalyst precursor in various chemical reactions, particularly in oxidation processes and hydrocarbon transformations. Its application in catalysis is an area of ongoing research and industrial interest.
Materials Science Precursor
It acts as a key starting material for the synthesis of other cobalt-containing materials, including advanced oxides and composites. These materials find uses in electronics, energy storage, and other high-technology sectors.
Research and Development
Cobalt(II) phosphate hydrate is utilised in laboratory settings for fundamental chemical research, exploring new synthetic routes, and investigating the properties of cobalt-based compounds.
| Molecular weight | 366.74 (anhydrous basis) |
|---|---|
| Linear formula | Co3(PO4)2 |
| Form | powder |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
- H351Suspected of causing cancer
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-40-42/43 |
| Safety statements (S) | 26-36 |
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) phosphate hydrate used for?
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Cobalt(II) phosphate hydrate is primarily used as a pigment in ceramics and glass, as a precursor for other cobalt compounds, and in specialised catalytic applications and materials science research.
What is the CAS number and chemical formula for Cobalt(II) phosphate hydrate?
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The CAS number is 10294-50-5 and the chemical formula is Co3(PO4)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cobalt(II) phosphate hydrate. The specific grade and purity are available upon request. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
How should Cobalt(II) phosphate hydrate be handled safely?
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Cobalt(II) phosphate hydrate is harmful if swallowed, causes skin irritation, allergic skin reactions, serious eye irritation, and may cause respiratory irritation and cancer. Handle with appropriate personal protective equipment including eyeshields, gloves, and a particulate respirator. Ensure good ventilation and avoid dust formation.
How is Cobalt(II) phosphate hydrate shipped and exported?
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Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals. Cobalt(II) phosphate hydrate is carefully packaged according to international shipping regulations and is exported worldwide.
How can I request a quote or sample of Cobalt(II) phosphate hydrate?
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To request a quote or a sample of Cobalt(II) phosphate hydrate, please contact our sales department directly through our website or by phone.
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