Omnistab UV 328

Omnistab UV 328

· Chemical Name:2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol

· CAS:25973-55-1

· Molecular formula:C22H29N3O

· Molecular weight:351.49

Structural formula:
Omnistab UV 328
Applications

Can be used in high performance plastics and other organic stabilizer. Recommended for styrene and styrene copolymer, acrylic polymer, unsaturated polyester, polyvinyl chloride, polyolefin, polyurethane.
328 has an excellent UV absorption, low initial color, good compatibility for a variety of material, and also with a good solubility and low volatile for the plasticizer and monomer.


Specifications

Item

Specification

Assay (%)

99.00 min

Melting Point (℃)

79.00-87.00

Volatile (%)

0.50 max

Ash(%)

0.10 max

Transmittance(%)

460nm

500nm

 

97.50 min

98.00 min


Storage and transportation

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


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