Omnistab LS B 783

About Omnistab LS B 783

Omnistab LS B 783 is a synergistic mixture of Omnistab LS 944 and Omnistab LS 622. It is a versatile light stabilizer with good extraction resistance, low gas fading and low pigment interaction.

  • Product name: Omnistab LS 622
  • 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
  • Product percentage of the blend: 50
  • Product name: Omnistab LS 944
  • CAS number: 71878-19-8/70624-18-9 (US)
  • Chemical name: Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl]- [(2,2,6,6-tetramethyl- 4-piperidyl)imino]-hexamethylene-[(2,2,6,6-tetramethyl-4-piperidyl)imino]]
  • Moleculair formula: C35H69Cl3N8
  • Molecular weight (g/mol): 708.34
  • Product percentage of the blend: 50
  • Ash (%): 0.20 max
  • Volatiles (%): 1.00 max
  • Melting point/range (ºC): 90.00
  • Transmittance 425 nm (%): 90.00 min
  • Transmittance 500 nm (%): 95.00 min
  • Product form(s): Granular, Powder
  • Packaging option(s): Carton
Product Data Sheet





Product Data Sheet

Omnistab LS B 783


Date: Wednesday, Jan 27, 2021

Product Composition

Product name: Omnistab LS 622
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
Product percentage of the blend: 50
Product name: Omnistab LS 944
CAS number: 71878-19-8/70624-18-9 (US)
Chemical name: Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl]- [(2,2,6,6-tetramethyl- 4-piperidyl)imino]-hexamethylene-[(2,2,6,6-tetramethyl-4-piperidyl)imino]]
Moleculair formula: C35H69Cl3N8
Molecular weight (g/mol): 708.34
Product percentage of the blend: 50

Product Specification

Ash (%) 0.20 max
Volatiles (%) 1.00 max
Melting point/range (ºC) 90.00
Transmittance 425 nm (%) 90.00 min
Transmittance 500 nm (%) 95.00 min
Product form(s): Granular, Powder
Packaging option(s) Carton
REACH compliance





Regulation EC N˚ 1907/2006

Omnistab LS B 783


Date: Wednesday, Jan 27, 2021

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 B 783, 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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