This compound is primarily utilized in the development of photochromic materials, which change color upon exposure to light. It is particularly effective in applications such as light-sensitive lenses for eyewear, where it enables the lenses to darken in bright sunlight and return to a clear state in lower light conditions. Additionally, it is used in smart windows that adjust their transparency based on light intensity, contributing to energy efficiency in buildings. Its photochromic properties also make it suitable for use in various optical devices and sensors that require responsive light modulation.