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CAS 106990-43-6 — Chimassorb 119

Chimassorb 119 is a high-performance **hindered amine light stabilizer (HALS)** designed to protect polymers—particularly polyolefins, PVC, and polyurethanes—from ultraviolet (UV) degradation, thermal oxidation, and prolonged light exposure. It extends product lifespan by inhibiting chain scission and cross-linking, making it ideal for automotive parts, outdoor films, and long-term applications. This product has a CAS number of 106990-43-6, molecular formula C132H250N32, and a molecular weight of 2285.6118 g/mol. It is stored at ambient conditions and carries no signal word under standard classification. Molekula supplies Chimassorb 119 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.