Used as a polymerization regulator in emulsion polymerization processes, particularly in the production of synthetic rubbers and latexes. It functions as a chain transfer agent, helping to control molecular weight and improve polymer consistency. Its structure allows for efficient radical scavenging, which enhances reaction control and reduces side reactions. Commonly applied in adhesives, coatings, and elastomers where precise polymer architecture is required. Offers improved stability and performance in water-based systems due to its polyether chain, making it suitable for eco-friendly formulations.