Omnistab LS 144

About Omnistab LS 144

Omnistab LS 144 is a hindered amine light stabilizer. It also contains an antioxidant moiety of the sterically hindered phenol type.

  • CAS number: 63843-89-0
  • Chemical name: Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate
  • Moleculair formula: C42H72N2O5
  • Molecular weight (g/mol): 685.03
  • Content (%): 98.00 min
  • Melting point/range (ºC): 146.00 - 153.00 ℃
  • Loss on drying (%): 0.50 max
  • Ash (%): 0.10 max
  • Transmittance 425 nm (%): 95.00 min
  • Transmittance 450 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 LS 144


Date: Friday, Sep 17, 2021

Product Composition

CAS number: 63843-89-0
Chemical name: Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate
Moleculair formula: C42H72N2O5
Molecular weight (g/mol): 685.03

Product Specification

Content (%) 98.00 min
Melting point/range (ºC) 146.00 - 153.00 ℃
Loss on drying (%) 0.50 max
Ash (%) 0.10 max
Transmittance 425 nm (%) 95.00 min
Transmittance 450 nm (%) 97.00 min
Transmittance 500 nm (%) 98.00 min
Product form(s): Powder
Packaging option(s) Carton

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