Electro Plating, High-Purity Solvents

1-Benzyl pyridinium-3-carboxylate (BPC 48)

1-Benzyl pyridinium-3-carboxylate, commonly identified by its industry designation BPC 48 and registered under CAS number 15990-43-9, serves as a specialized organic intermediate and electrochemical additive. This zwitterionic quaternary ammonium compound is derived from nicotinic acid and benzyl chloride, manifesting as a high-purity chemical crucial for advanced surface finishing processes. In the realm of industrial electrochemistry, BPC 48 acts as a premier leveling agent and primary brightener specifically formulated for alkaline non-cyanide zinc plating electrolytes. Its molecular architecture enables exceptional performance in refining grain structures across varying current densities, ensuring uniform deposition on complex geometries. Beyond its brilliance-inducing capabilities, the substance contributes significantly to the ductility and corrosion resistance of the finished metallic coating. Manufacturers rely on this compound for its stability in high-pH environments and its ability to minimize internal stress within the zinc layer. As global standards shift toward eco-friendly plating, BPC 48 remains a vital component in galvanizing.

Attributes

Key Features and Benefits

Outstanding leveling efficiency in alkaline zinc baths.
Exceptional compatibility with non-cyanide electrolytes.
Provides a wide current density range for operation.
Significant reduction in internal stress of coatings.
Enhances the brightness and aesthetic quality of deposits.
Improves coating ductility and adhesion to substrates.
High chemical stability within aggressive high-pH systems.
Low consumption rates during industrial plating cycles.
Facilitates uniform metal distribution on intricate parts.
Eco-friendly alternative for sustainable surface treatment solutions.
Minimizes the formation of brittle zinc crystals.
Increases corrosion protection for treated automotive and hardware components.
Promotes superior throw power in cathodic zones.
Ensures long-lasting bath life and processing reliability.

Specifications

Technical Highlights

Chemical Formula: C13H11NO2 for the base structure.
Molecular Weight: Approximately 213.23 grams per mole.
Appearance: Typically available as a clear, yellowish liquid.
pH Range: Stable in highly alkaline environments (pH > 13).
Concentration: Active content usually maintained at 48% aqueous solution.
CAS Registry: Identified worldwide by CAS 15990-43-9.
Solubility: Completely miscible in water and alkaline solutions.
Thermal Stability: Maintains structural integrity under standard plating temperatures.
Functional Groups: Contains a quaternary pyridinium cation and carboxylate anion.
Purity: High industrial grade ensures minimal ionic contaminants or byproduct interference.
Surface Tension: Optimizes electrolyte interaction at the cathode surface.
Refractive index confirms specific gravity.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Primary leveling agent in alkaline non-cyanide zinc plating.
Essential brightener component for decorative zinc coatings.
Additive for automotive component galvanizing and corrosion resistance.
Surface treatment for industrial hardware and fastener manufacturing.
Component in the production of high-performance plating additives.
Used in aerospace finishing for precise metallic layer control.
Utilized in construction hardware for durable protective zinc layers.
Formulated into proprietary brightener packages for commercial sales.
Applied in electrical equipment housing for enhanced shielding properties.
Suitable for both rack and barrel plating operational setups.
Critical reagent for zinc-nickel alloy bath formulations in heavy machinery.
Embellishes small electronics through precision electro-galvanization processes.