Ultraviolet absorber UV-234

Chemical name:2-[2'-hydroxy-3',5'-bis(
.
-dimethyl benzyl)-phenyl]benzotriazole
Molecular formula:C22H29N3O
Structural formula:

Specifications:
|
Appearance
|
Light yellow powder
|
|
Melting point
|
≥139.5-141οC
|
|
Volatile matter
|
≤0.5%
|
|
Ash content
|
≤0.05%
|
|
Purity
|
≥99%
|
|
Transmissirity
|
460nm≥97%
500nm≥98% |
Package: 25kg Carton