2-Amino-5-tert-butylphenol is primarily used as an intermediate in the synthesis of various chemical compounds, particularly in the production of antioxidants and stabilizers for polymers and plastics. It plays a key role in enhancing the durability and performance of materials by preventing oxidative degradation. Additionally, it is utilized in the manufacture of dyes and pigments, contributing to the development of colorants for textiles, inks, and coatings. Its applications also extend to the pharmaceutical industry, where it serves as a building block for the synthesis of certain active pharmaceutical ingredients.