Cobalt(II) tetrafluoroborate hexahydrate
Cobalt(II) tetrafluoroborate hexahydrate (CAS: 15684-35-2), with the chemical formula Co(BF4)2 · 6H2O and a molecular weight of 340.63 g/mol, is a crystalline cobalt salt. It is primarily utilised as a starting material in the synthesis of homometallic, trinuclear heteroscorpionate complexes. These complexes are instrumental in research studies focusing on the electronic and magnetic properties of advanced materials.
- IUPAC
- Cobaltous tetrafluoroborate

Synthesis of Heteroscorpionate Complexes
Serves as a key precursor for creating homometallic, trinuclear heteroscorpionate complexes. These specialised compounds are essential for investigating novel electronic and magnetic phenomena.
Materials Science Research
The compound is used in materials science to develop and study new materials with specific magnetic and electronic characteristics. Its role as a starting material facilitates the precise construction of complex molecular architectures.
Cobalt Chemistry Studies
Facilitates research into the coordination chemistry of cobalt, particularly in the formation of unique polynuclear structures. This aids in understanding structure-property relationships in inorganic compounds.
| Molecular weight | 340.63 |
|---|---|
| Linear formula | Co(BF4)2 · 6H2O |
| Assay | 99% |
| Form | crystalline |
| Application | Starting material for homometallic, trinuclear heteroscorpionate complexes applied in studies of electronic and magnetic properties.1 |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| 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 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34 |
| Safety statements (S) | 26-36-36/37/39-45 |
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) tetrafluoroborate hexahydrate used for?
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Cobalt(II) tetrafluoroborate hexahydrate is used as a starting material for homometallic, trinuclear heteroscorpionate complexes applied in studies of electronic and magnetic properties.
What is the CAS number and chemical formula for Cobalt(II) tetrafluoroborate hexahydrate?
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The CAS number is 15684-35-2, and the chemical formula is Co(BF4)2 · 6H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cobalt(II) tetrafluoroborate hexahydrate with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling Cobalt(II) tetrafluoroborate hexahydrate?
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This compound is dangerous, causing severe skin burns and eye damage (H314) and is harmful if swallowed, in contact with skin, or if inhaled (H302 + H312 + H332). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection (N100/P3), is essential.
How is Cobalt(II) tetrafluoroborate hexahydrate packed and exported?
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As a specialist global supplier, Tech Serve Solutions exports Cobalt(II) tetrafluoroborate hexahydrate securely packed in compliance with international shipping regulations for hazardous materials (UN 3260 8 / PGII).
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (15684-35-2).
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