Omnistab LS 622 – CAS: 65447-77-0

About Omnistab LS 622 – CAS: 65447-77-0

Omnistab LS 622 is an oligomeric hindered amine light stabilizer (HALS). Furthermore, it is effective as antioxidant and contributes significantly to the long-term heat stability of polyolefins and tackifier resins.

  • CAS number: 65447-77-0
  • Chemical name: Butanedioc acid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
  • Moleculair formula: (C15H25NO4)n
  • Molecular weight (g/mol): 3100.00-4000.00
  • Melting point/range (ºC): 50.00 - 70.00
  • Transmittance 450 nm (%): 95.00 min
  • Transmittance 500 nm (%): 97.00 min
  • Ash (%): 0.20 max
  • Volatiles (%): 0.50 max
  • Product form(s): Granular, Powder
  • Packaging option(s): Carton
Product Data Sheet





Product Data Sheet

Omnistab LS 622 – CAS: 65447-77-0


Date: Monday, Oct 23, 2023

Product Composition

CAS number: 65447-77-0
Chemical name: Butanedioc acid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
Moleculair formula: (C15H25NO4)n
Molecular weight (g/mol): 3100.00-4000.00

Product Specification

Melting point/range (ºC) 50.00 - 70.00
Transmittance 450 nm (%) 95.00 min
Transmittance 500 nm (%) 97.00 min
Ash (%) 0.20 max
Volatiles (%) 0.50 max
Product form(s): Granular, Powder
Packaging option(s) Carton
REACH compliance





Regulation EC N˚ 1907/2006

Omnistab LS 622 – CAS: 65447-77-0


Date: Monday, Oct 23, 2023

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 LS 622 – CAS: 65447-77-0, is a product that is registered with the European Chemicals Agency (ECHA) in compliance with the tonnage band of 100-1000mt. The registration number: 01-2119486681- 29-XXXX.

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Light stabilizer | cas 65447-77-0