Chromium fluoborate is the key electrolyte for trivalent chromium electroplating — the environmentally preferred alternative to hexavalent chromium. Produces bright, corrosion-resistant chrome finishes for automotive, appliance, and hardware applications while meeting REACH and RoHS compliance requirements.
Safety Data Sheet (SDS) available on request. Contact us for regulatory documentation.
35 kg carboys, 250 kg drums
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✉ Contact Sales 💬 WhatsAppChromium(III) tetrafluoroborate is a clear blue-green aqueous solution containing the [Cr(H2O)6]3+ cation and tetrafluoroborate (BF4-) anions. Molecular formula Cr(BF4)3, formula weight 312.61 g/mol. Density approximately 1.6 g/cm3 at 50% concentration. Highly water-soluble. Aqueous chemistry pH typically 0-2 in commercial 50% solutions.
Available against generic industrial-supply specifications and ASTM B253 (chromium plating). Reference standards used in trivalent-chrome plating include AMS 2406 (Aerospace Material Specification) and military specification MIL-STD-1500. Pharmaceutical and food-contact grades are not typically specified for this compound.
CAS 15444-78-7. UN 3264 — Class 8 (Corrosive), PG II/III depending on concentration. GHS pictograms: GHS05 (corrosive), GHS07 (harmful), GHS09 (environmental hazard). REACH registered as a known substance (EC 239-498-9). TSCA listed in the US inventory. RoHS — chromium(III) compounds are exempt from the chromium restriction.
| Grade | Typical Specification | Common Use |
|---|---|---|
| Technical (50% sol.) | 50% w/w Cr(BF4)3 | Industrial trivalent-chrome plating baths |
| Plating Grade | 50% w/w with controlled Fe/Cu | High-spec aerospace and defense surface finishing |
| Custom concentration | 30-55% on request | Specialty bath formulations |
For peer-reviewed property data, regulatory listings, and structure verification: