Omnistab UV 234

Omnistab UV 234

· Chemical Name:2-(2H-benzotriazol-2-yl)-4,6- bis(1-methyl-1- phenylethyl) phenol

· CAS:70321-86-7

· Molecular formula:C30H29N3O

· Molecular weight:447.58

Structural formula:
Omnistab UV 234
Applications

UV 234 is an UV absorber used in high temperature processing environment. It is mainly used for polycarbonate and polycarbonate blends, and can also be used in automotive coatings.


Specifications

Item

Specification

AppearanceWhite or light yellow crystal powder

Assay

99.00% min

Melting Point

137.00-141.00

Volatile

0.50% max

Ash

0.10% max

Transmittance (%) 

 460nm:97.00% min;500nm:98.00% min


Storage and transportation

Keep container tightly closed. Avoid ingestion and inhalation.
25KG Carton or as customers’ requirements.


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