The compound with CAS number 222529-65-9, which you’ve described as “2,2,2-(1,3,5-Triazine-2,4,6-triyl)tris[5-(hexyloxy)-6-methylphenol],” is a complex chemical compound used as a UV absorber and stabilizer in various polymer and plastic applications. Here’s a description of this compound:

1. Chemical Structure: The compound is a triazine-based UV absorber and is often used to protect polymers, plastics, and other materials from the damaging effects of ultraviolet (UV) radiation. Its chemical structure includes a triazine ring with three 5-(hexyloxy)-6-methylphenol groups attached to it.
2. UV Absorber: This compound is specifically designed to absorb UV radiation. When incorporated into plastics or polymers, it helps prevent UV-induced degradation, discoloration, and other forms of damage by absorbing and dissipating the UV energy.
3. Stabilizer: In addition to its UV-absorbing properties, this compound can also function as a stabilizer, helping to prolong the lifespan and appearance of materials that are exposed to UV radiation, such as outdoor plastic materials.
4. Polymer and Plastic Industry: It is commonly used in the polymer and plastic industry to improve the UV resistance of various plastic products, including films, coatings, and molded items, especially those used in outdoor applications.
5. Safety and Handling: Proper safety precautions and handling guidelines should be observed when working with this compound. The specific safety and handling information can often be found in the material safety data sheet (MSDS) provided by the manufacturer.

The compound you described is valuable for its role in protecting various materials from the harmful effects of UV radiation, and it plays an essential role in many industries where UV resistance is critical. Its use helps extend the life and appearance of products exposed to sunlight and other sources of UV radiation.