Omnistab UV 988

About Omnistab UV 988

Omnistab UV 988  is a benzylidene-bis-malonate type UV absorber. It strongly absorbs in the high energy part of the UV spectrum (short wavelength).

  • CAS number: 6337-43-5
  • Chemical name: Tetraethyl 2,2-(1,4-phenylenedimethylidyne)bismalonate
  • Moleculair formula: C22H26O8
  • Molecular weight (g/mol): 418.437
  • Content (%): 99.00 min
  • Melting point/range (ºC): 137.00 - 139.00
  • Ash (%): 0.10 max
  • Volatiles (%): 0.50 max
  • Transmittance 425 nm (%): 96.00 min
  • Transmittance 500 nm (%): 98.00 min
  • Product form(s): Crystalline powder, Powder
  • Packaging option(s): Carton
Product Data Sheet





Product Data Sheet

Omnistab UV 988


Date: Thursday, Apr 15, 2021

Product Composition

CAS number: 6337-43-5
Chemical name: Tetraethyl 2,2-(1,4-phenylenedimethylidyne)bismalonate
Moleculair formula: C22H26O8
Molecular weight (g/mol): 418.437

Product Specification

Content (%) 99.00 min
Melting point/range (ºC) 137.00 - 139.00
Ash (%) 0.10 max
Volatiles (%) 0.50 max
Transmittance 425 nm (%) 96.00 min
Transmittance 500 nm (%) 98.00 min
Product form(s): Crystalline powder, Powder
Packaging option(s) Carton

Do you need help with anything? Contact us!

Dennis van Barneveld

WhatsApp

+31630720851

WeChat

+31630720851

Or send a message