Cyanomethyl dodecyl carbonotrithioate is primarily used as a chain transfer agent in the polymerization process, particularly in Reversible Addition-Fragmentation chain Transfer (RAFT) polymerization. It helps control the molecular weight and structure of polymers by regulating the chain growth, ensuring the production of polymers with specific properties. This chemical is particularly valuable in the synthesis of acrylic polymers and copolymers, where it enhances the efficiency of the polymerization reaction. Its application extends to the manufacturing of adhesives, coatings, and elastomers, where precise control over polymer characteristics is crucial for performance. Additionally, it is utilized in the production of specialty polymers that require tailored mechanical and thermal properties.