Used primarily as a stabilizer in polymers and organic materials, particularly to prevent degradation caused by oxidation and UV exposure. Its branched alkyl and tert-butyl groups provide effective radical scavenging properties, making it suitable for enhancing the longevity of plastics, lubricants, and elastomers under high-temperature or harsh environmental conditions. Commonly found in automotive components, industrial oils, and polymer-based products requiring long-term thermal and oxidative stability.