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(s): 6337-43-5
  • Chemical name(s): Tetraethyl 2,2-(1,4-phenylenedimethylidyne)bismalonate
  • Molecular formula: C22H26O8
  • Molecular weight (g/mol): 418.437 g/mol
  • EU (EG-No (EINECS/ELINCS)): 228-726-5
  • 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): Crystal powder, Powder
  • Packaging option(s): Carton
Product Data Sheet





Product Data Sheet

Omnistab UV 988


Date: Thursday, Aug 13, 2020

Product Composition

CAS number(s) 6337-43-5
Chemical name(s) Tetraethyl 2,2-(1,4-phenylenedimethylidyne)bismalonate
Molecular formula C22H26O8
Molecular weight (g/mol) 418.437 g/mol
EU (EG-No (EINECS/ELINCS)) 228-726-5

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): Crystal powder, Powder
Packaging option(s) Carton

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Frank van Dongen

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UTRECHT

In 2007 we decided to start ICG Specialty Chemicals selling specialty chemicals and additives under the tradename Omnistab.

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DUBAI

Partners in Chemicals expanded its business in Middle East by setting up a branch office in Dubai in 2014.

Our Dubai office gives direct access to the Middle East and Africa. Having warehousing facility in the Dubai Free Zone makes it much easier to import, stock and re-export material to different destinations around the globe.

 

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CHICAGO

To serve the American market we have set up our Chicago branch office in 2009.

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QINGDAO

Deltachem (Qingdao) Co. Ltd. has been established in 2012 but general manager Mr. Mike Zou is already since 2007 a business partner for the Omnistab range.

Deltachem is the partner of Choice for Partners in Chemicals.

Besides being responsible for sourcing new products, supplychain and quality controle Deltachem is also managing the production facilities and handles the technical support.

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