BLS 5411


BLS 5411 (3147-75-9) is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers.  BLS 5411 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of polymeric systems; particularly in polyesters, polyvinyl chlorides, styrenics, acrylics, polycarbonates and polyvinyl butyral during outdoor weathering.



Chemical Name:         2-(2-hydroxy-5-tert-octylphenyl) benzotriazole

CAS Number:             3147-75-9

Chemical Structure:

BLS 5411


Typical Properties         

Product Form:                         Solid

Melting Point:                          102 – 106oC

Molecular Weight:                   323 g/mol

Product Details:  Please view our BLS 5411