Omnistab UV 329 – CAS: 3147-75-9

About Omnistab UV 329 – CAS: 3147-75-9

Protects polymers from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.

  • CAS number: 3147-75-9
  • Chemical name: 2Phenol, 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)
  • Moleculair formula: C20H25N3O
  • Molecular weight (g/mol): 323.43
  • Content (%): 99.00 min
  • Melting point/range (ºC): 100 - 105
  • Volatiles (%): 0.50 max
  • Ash (%): 0.10 max
  • Transmittance 460 nm (%): 97.00 min
  • Transmittance 500 nm (%): 98.00 min
  • Product form(s): Granular, Powder
  • Packaging option(s): Bag, Carton
Product Data Sheet
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Product Data Sheet

Omnistab UV 329 – CAS: 3147-75-9

Date: Thursday, Jul 18, 2024

Product Composition

CAS number:3147-75-9
Chemical name:2Phenol, 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)
Moleculair formula:C20H25N3O
Molecular weight (g/mol):323.43

Product Specification

Content (%)99.00 min
Melting point/range (ºC)100 - 105
Volatiles (%)0.50 max
Ash (%)0.10 max
Transmittance 460 nm (%)97.00 min
Transmittance 500 nm (%)98.00 min
Product form(s):Granular, Powder
Packaging option(s)Bag, Carton
REACH compliance
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Regulation EC N˚ 1907/2006

Omnistab UV 329 – CAS: 3147-75-9

Date: Thursday, Jul 18, 2024

According to Regulation (EC) N˚ 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), all chemical substances on their own, contained in preparations, or in articles, manufactured, imported or used, should comply with the requirements of REACH.

In its role as importer and downstream user Partners in Chemicals has taken its responsibility to continuously consult with its suppliers outside the European Union (EU) about the responsibilities and requirements of REACH and will continue to do so.

In this light, we can inform you that the product that Partners in Chemicals currently supplies to you, Omnistab UV 329 – CAS: 3147-75-9, is a product that is registered with the European Chemicals Agency (ECHA) in compliance with the tonnage band of mt. The registration number: .


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