Tetrafluoroboric acid
Tetrafluoroboric acid (HBF4, CAS 16872-11-0) is a strong inorganic acid with a molecular weight of 87.81 g/mol. Available as an aqueous solution, typically around 48-50% concentration, it is a key reagent in chemical synthesis and industrial processes. Its corrosive nature necessitates careful handling. TSS supplies this acid for various laboratory and industrial applications where its acidic and fluorinating properties are required.
- IUPAC
- Fluoroboric acid
Chemical Synthesis
Tetrafluoroboric acid serves as a catalyst and reagent in organic and inorganic synthesis. It is utilized in the preparation of fluoroborate salts and as a source of the fluoroborate anion for various chemical transformations.
Electroplating and Surface Treatment
It is employed in electroplating baths for metals and alloys, contributing to the formation of smooth and adherent coatings. Additionally, it finds use in metal surface treatment and passivation processes.
Catalysis
As a strong acid, HBF4 acts as an efficient catalyst in various chemical reactions, including polymerization and alkylation processes, due to its Lewis acidity and moderate oxidizing potential.
Laboratory Reagent
In research and development laboratories, tetrafluoroboric acid is used for analytical procedures and as a versatile reagent for specialized chemical investigations and material science applications.
| Molecular weight | 87.81 |
|---|---|
| Linear formula | HBF4 |
| Assay | 49.5-50.5% |
| Density | 1.38 g/mL at 20 °C(lit.) |
| Concentration | 48 wt. % in H2O |
| Vapour pressure | 5 mmHg (20 °C) |
| Vapour density | 3 (vs air) |
| Impurities tested | ≤0.005% heavy metals (as Pb)≤0.02% hexafluorosilic acid (H2SiF6)1-2% free boric acid |
Hazard statements
- 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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 1775 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-45 |
| Cation traces | Cu: ≤5 mg/kgFe: ≤50 mg/kgNi: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤200 mg/kg |
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 Tetrafluoroboric acid used for?
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Tetrafluoroboric acid is used in chemical synthesis, electroplating, surface treatment, catalysis, and as a laboratory reagent. Its applications leverage its strong acidic properties and ability to act as a source of the fluoroborate anion.
What is the CAS number and chemical formula for Tetrafluoroboric acid?
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The CAS number for Tetrafluoroboric acid is 16872-11-0, and its chemical formula is HBF4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrafluoroboric acid with an assay of 49.5-50.5% HBF4. This is a technical/research grade product, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should Tetrafluoroboric acid be handled safely?
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Tetrafluoroboric acid is corrosive and can cause severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including gloves, goggles, and face shields. Ensure adequate ventilation and use a suitable respirator. In case of contact, rinse immediately and seek medical attention.
How is Tetrafluoroboric acid packed and shipped?
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Tetrafluoroboric acid is shipped as UN 1775, Hazard Class 8, Packing Group II. TSS adheres to all regulations for the safe packing, handling, and export of hazardous chemicals.
How can I request a sample or a quote for Tetrafluoroboric acid?
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To request a sample or a quote for Tetrafluoroboric acid, please contact the TSS sales team directly through our website or by phone. Please specify the quantity and delivery location required.
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