Omnistab UV 329

Omnistab UV 329

· Chemical Name:2-(2'-hydroxy-5'-tert-octylphenyl)-1H-benzotriazole

· CAS:3147-75-9

· Molecular formula:C20H25N3O

· Molecular weight:323.43

Structural formula:
Omnistab UV 329
Applications

UV 329 is widely used in polymers and other organic substances, including polycarbonate, rigid PVC, flexible pvc. It has good light transmittance in visible light range, so it is widely used in various optical materials and can be added to the polymer materials contacting with food.


Specifications

Item

Specification

Appearance

Light yellow powder

Assay

99.00% min

Melting point

79.00-87.00℃

Volatile

0.50% max

Ash

0.10% max

Transmittance

460nm: 96.00% min   500nm:   97.00% min


Storage and transportation

Keep container tightly closed. Avoid ingestion and inhalation.
25KG Carton or as customer's requirements.


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