It is widely used as a monomer in the production of cationic polymers, which are essential in water treatment processes for flocculation and clarification. These polymers help remove suspended particles and impurities from water, making it suitable for industrial and municipal use.

In the personal care industry, it is incorporated into hair care products such as conditioners and styling gels. It provides excellent conditioning properties by improving hair softness, manageability, and reducing static. Its cationic nature allows it to bind effectively to negatively charged hair surfaces.

Additionally, it is utilized in the textile industry as a fabric softener and antistatic agent. It enhances the feel of fabrics, reduces wrinkles, and prevents static buildup during processing and use.

In the paper industry, it serves as a retention and drainage aid, improving the efficiency of paper production by enhancing the retention of fine particles and speeding up water drainage during the paper-making process.

Its versatility also extends to biomedical applications, where it is used in the synthesis of hydrogels and coatings for medical devices, providing antimicrobial and biocompatible properties.