CAS 16872-11-0

Fluoroboric Acid, also known as Tetrafluoroboric Acid, has CAS No.16872-11-0 and the molecular formula HBF₄, and it is classified under inorganic chemicals. It is commercially supplied as a water-miscible aqueous solution, appearing as a colourless to faint pale-yellow liquid under ambient conditions. This strong monoprotic inorganic acid dissociates into hydrogen ions and tetrafluoroborate anions in water. It decomposes above 130 °C and releases corrosive fumes. While miscible with alcohol-based solvents, it reacts vigorously with alkaline substances and most common metals. Its distinctive ionic structure makes it indispensable for electroplating bath formulation, diazonium-salt stabilisation and catalyst-oriented industrial workflows.

Industrial-grade Fluoroboric Acid from Shandong Xima Supply Chain is a critical inorganic raw material trusted by electroplating facilities, metal-processing workshops and fine-chemical manufacturers across global markets. Its core characteristic derives from the stable tetrafluoroborate anion in its molecular structure. Unlike many mineral acids that introduce interfering metallic or halide contaminants, properly refined fluoroboric acid delivers consistent anion performance for electroplating electrolyte systems. This property enables uniform metal-ion deposition during tin-lead alloy plating, which directly improves coating flatness and throwing power within plating baths. Since heating triggers thermal decomposition, end-users must avoid sustained high-temperature operating conditions to prevent the generation of corrosive vapours.

A key advantage of our fluoroboric acid is its strict limits on harmful trace impurities, including free boric acid, iron ions and heavy-metal residues. Excess free boric acid or heavy-metal contaminants create surface defects such as pinholes and hazy layers on electroplated workpieces, increasing reject rates in continuous plating production. Our qualified industrial-grade product keeps these undesirable trace components within narrow technical thresholds, which are verified through wet-chemistry and instrumental testing. In addition, its excellent water miscibility allows straightforward on-site dilution for pickling, polishing or synthesis applications, eliminating complicated pre-treatment steps for production-floor operators.

Buyers gain tangible operational and commercial benefits by choosing our dependable fluoroboric-acid supply. Rigorous impurity control reduces defect rates for finished electroplated components, lowering material waste and re-processing costs on client-side production lines. Our flexible inventory capacity supports both long-term framework agreements and urgent spot procurement for metal-surface-treatment plants and fine-chemical synthesis facilities. Customers can maintain uninterrupted manufacturing cycles without frequent supplier switches. Every shipment comes with complete formal documentation to streamline import-customs clearance and internal quality-audit procedures for overseas industrial enterprises.

These performance claims are backed by our comprehensive supply-chain-management protocols. Every incoming batch of fluoroboric acid undergoes representative sampling and laboratory inspection prior to shipment. Test parameters cover effective concentration, visual appearance, free-boric-acid content, iron, heavy-metal and chloride levels, and all measured results are recorded on each lot's Certificate of Analysis. Our fluoroboric-acid products have been exported for electroplating bath formulation and inorganic-salt synthesis projects, earning repeat orders from industrial end-users. We only source material from audited upstream manufacturers that hold valid hazardous-chemical production permits to guarantee consistent raw-material quality.

Global chemical purchasers frequently express concerns regarding concentration drift, excessive trace impurities, incomplete hazard-related documentation and inconsistent delivery timelines for corrosive inorganic acids. As a licensed hazardous-chemical supply-chain trader, Shandong Xima carries out strict pre-shipment inspections for every fluoroboric-acid consignment. We maintain adequate safety stock for the mainstream 40 % and 50 % aqueous-solution specifications to address urgent procurement requests. A full documentation package including GHS-compliant MSDS, batch-specific COA, commercial invoice and packing list is prepared for customs compliance. Our technical-support team can share practical guidance for handling, dilution and storage to assist on-site plant operators in safely managing this corrosive inorganic acid.

If you are sourcing qualified industrial-grade Fluoroboric Acid for electroplating bath preparation, metal-surface pickling, or fine-chemical synthesis, please do not hesitate to contact us. We support bulk wholesale, sample requests and consultations for custom-specification requirements. Request your latest quotation and full specification sheet today.

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