Omnistab AN 1010

Omnistab AN 1010 is a pentaerythritol tetrakis[3-[3,5-di-tert-butyl-4-hydroxyphenyl]propionate. It is a sterically hindered phenolic primary antioxidant. It is odorless and tasteless. It is highly effective, non-discoloring stabilizer. It has good compatibility, high resistance to extraction and low volatility. Omnistab AN 1010 is compatible with polyolefins, such as polyethylene, polypropylene, polybutene and olefin copolymers such as polyacetals, polyamides and polyurethanes, polyesters, PVC, styrene homo-and copolymers, ABS, synthetic rubber, elastomers such as butyl rubber (IIR), SBS, SEBS, EPM and EPDM. Used in synthetic fibers. Its recommended dosage rate is 0.05-0.1% ppm and 0.05-0.4% for polyolefins.

Product composition

  • CAS number(s): 6683-19-8
  • Chemical name(s): Pentaerythritoltetrakis(3-(3,5-di-tert-butyl-4- hydroxyphenyl)propionate)
  • Molecular formula: C73H108O12
  • Molecular weight (g/mol): 1177.60 g/mol
  • EU (EG-No (EINECS/ELINCS)): 229-722-6


  • Content (%): 94.00 min
  • Volatiles (%): 0.30 max
  • Melting point/range (ºC): 110.00 - 125.00 max
  • Transmittance 425 nm (%): 96.00 min
  • Transmittance 500 nm (%): 98.00 min
  • Ash (%): 0.10 max
  • Product form(s): Powder, Granular, Fine powder
  • Packaging option(s): Carton


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



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.




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



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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