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Irganox® 1520 L

Technical Datasheet | Supplied by BASF
HSP Distance with PowerNox™ 1520: 0.0
Irganox® 1520 L by BASF is a multifunctional liquid phenolic antioxidant for processing and long-term thermal stabilization. It contains 4,6-bis (octylthiomethyl)-o-cresol. It is non-staining, non-discoloring, and low in volatility and is stable to light & heat. It effectively protects the substrate against thermo-oxidative degradation during processing and long term heat aging. Irganox® 1520 L is compatible with thermoplastic elastomers including BR, SBR, NBR, IR, SBS, SIS and natural rubber. Suitable for use in organic substrates such as elastomers, plastics etc. It can be used with other additives such as secondary antioxidants, benzofuranone, light stabilizers and other functional stabilizers. Its recommended dosage level is 0.05-0.3%.
Product Type
Antioxidants > Phenolics
Chemical Composition
4,6-bis (octylthiomethyl)-o-cresol
CAS Number
Physical Form
Liquid, Low viscous
Yellow, Pale
Product Status
Applications/ Recommended for
  • SBR
  • TPE and TPV > SBC (or TPE-S)
  • Other Rubber > NBR
  • Natural Rubber
  • Other Rubber > BR
  • Styrene-butadiene-styrene SBS Styrene-isoprene-styrene SIS
  • Safety, regulation & environment > Low volatiles
Food contact approval
Labels/Agency Rating
Australia, Canada, China, EU, Japan, Korea, Philippines, USA

Irganox® 1520 L Properties


Value & Unit
Test Condition
Test Method
Melting Point
14 °C
Flash Point
> 200 °C
Molecular Weight
424.7 g/mol
SpecialChem additionnal informations based on CAS Number : 110553-27-0

Hansen Solubility Parameters

[17.5, 2.3, 5.1]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with Irganox® 1520 L. A practical determination of these HSP values would provide higher certainty. Learn More.

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