UV 326


Chemical name:2'-(2'-Hydroxy-3'-tert-buty-5'-methyl-phenyl)-5-chlorobenzotriazole
Molecular formula:C17H18N3OCL

CAS No. 3896-11-5


Properties:
UV-326 is a important ultraviolet absorber of bonzotriazole series, which is stable, nontoxic, higher absorbency for ultraviolet ray.


Specifications:

Appearance Light yellow powder

Melting point,oC 138-141

Volatile matter,% 0.5max

Ash content,% 0.05max

Transmissivity 460nm 97%min, 500nm 98%min

Purity,% 99min


Use: UV 326 is especially suited for polyolefin and cold cured polyesters. It has a low volatility at high temperatures and high resistance to thermal degradation and can therefore be used without significant loss or decomposition in polyolefin compounding and molding processes. In the use for the UV protection of polyester, UV 326 does not form colored complexes with the metallic salts used for the curing process of these resin. It is also used for photosensitive materials and coatings and so on.

Packing: in 25 kg net poly-ply paper bags or fiberboard drum.