Omnistab UV 928

About Omnistab UV 928

Solid benzotriazole-based UV absorber for coatings, printing, packaging, adhesives and sealants.

  • CAS number: 73936-91-1
  • Chemical name: 2-(2-hydroxyphenyl)-benzotriazole
  • Moleculair formula: C29H35N3O
  • Molecular weight (g/mol): 441.60
  • Content (%): 98.00 min
  • Melting point/range (ºC): 108 - 112
  • Volatiles (%): 0.30 max
  • Ash (%): 0.05 max
  • Transmittance 425 nm (%): 97.00 min
  • Transmittance 500 nm (%): 98.00 min
  • Product form(s): Powder
  • Packaging option(s): Carton
Product Data Sheet
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Product Data Sheet

Omnistab UV 928


Date: Friday, Sep 17, 2021

Product Composition

CAS number: 73936-91-1
Chemical name: 2-(2-hydroxyphenyl)-benzotriazole
Moleculair formula: C29H35N3O
Molecular weight (g/mol): 441.60

Product Specification

Content (%) 98.00 min
Melting point/range (ºC) 108 - 112
Volatiles (%) 0.30 max
Ash (%) 0.05 max
Transmittance 425 nm (%) 97.00 min
Transmittance 500 nm (%) 98.00 min
Product form(s): Powder
Packaging option(s) Carton

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