Butynediol with Epichlorohydrin (BEH)

Butynediol with Epichlorohydrin, identified by CAS number 68876-96-0, is a specialized chemical intermediate predominantly utilized in the electroplating industry. This complex reaction product, often referred to as BEH, functions as a high-performance secondary brightener and leveling agent during the nickel plating process. By integrating the triple-bond structure of 2-butyne-1,4-diol with the reactive epoxide functionality of epichlorohydrin, this compound provides exceptional surface-active properties. In industrial applications, BEH ensures the uniform deposition of nickel ions across intricate substrates, effectively filling micro-cracks and reducing surface roughness. This results in a mirror-like finish with enhanced aesthetic appeal and superior corrosion resistance. Furthermore, its chemical stability allows for consistent performance in high-current density environments. As a critical additive in modern electrolytic baths, Butynediol with Epichlorohydrin facilitates the production of high-quality metallic coatings for automotive, electronics, and consumer hardware sectors, meeting the rigorous standards for durability and visual consistency required in contemporary manufacturing and engineering processes.