4-Methylnaphthalen-1-ol is primarily used in the synthesis of dyes and pigments, where it serves as a key intermediate due to its ability to form stable and vibrant color compounds. It is also employed in the production of organic chemicals, particularly in the development of complex aromatic structures used in various industrial applications. Additionally, this compound finds use in research laboratories for studying chemical reactions and mechanisms involving naphthalene derivatives. Its properties make it suitable for applications in the field of material science, where it contributes to the creation of specialized polymers and coatings.