Omnistab AN 168 – CAS: 31570-04-4

About Omnistab AN 168 – CAS: 31570-04-4

Omnistab AN 168 is a hydrolytically stable phosphite processing stabilizer. Also acts as an antioxidant.

  • CAS number: 31570-04-4
  • Chemical name: Tris(2,4-ditert-butylphenyl) phosphite
  • Moleculair formula: C42H63O3P
  • Molecular weight (g/mol): 646.93
  • Content (%): 99.00 min
  • Volatiles (%): 0.30 max
  • Melting point/range (ºC): 183.00 - 187.00
  • Transmittance 425 nm (%): 97.00 min
  • Transmittance 500 nm (%): 98.00 min
  • Acid value (mg KOH/g): 0.50 max
  • Hydrolytic resistance (90˚C water, 14h): Regular
  • Free 2,4-Di-tert-butylphenol: 0.30 max
  • Product form(s): Fine powder, Granular, Powder
  • Packaging option(s): Can, Carton
Product Data Sheet
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Product Data Sheet

Omnistab AN 168 – CAS: 31570-04-4

Date: Tuesday, May 28, 2024

Product Composition

CAS number:31570-04-4
Chemical name:Tris(2,4-ditert-butylphenyl) phosphite
Moleculair formula:C42H63O3P
Molecular weight (g/mol):646.93

Product Specification

Content (%)99.00 min
Volatiles (%)0.30 max
Melting point/range (ºC)183.00 - 187.00
Transmittance 425 nm (%)97.00 min
Transmittance 500 nm (%)98.00 min
Acid value (mg KOH/g)0.50 max
Hydrolytic resistance (90˚C water, 14h)Regular
Free 2,4-Di-tert-butylphenol0.30 max
Product form(s):Fine powder, Granular, Powder
Packaging option(s)Can, Carton
REACH compliance
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Regulation EC N˚ 1907/2006

Omnistab AN 168 – CAS: 31570-04-4

Date: Tuesday, May 28, 2024

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 AN 168 – CAS: 31570-04-4, is a product that is registered with the European Chemicals Agency (ECHA) in compliance with the tonnage band of 100-1000mt. The registration number: 01-2119491176-33-XXXX.

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