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Irganox® 1520 L

Technical Datasheet | Supplied by BASF
Irganox® 1520 L by BASF is a multifunctional liquid phenolic antioxidant for processing and long-term thermal stabilization. It is non-staining, non-discoloring, 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%.
Chemical Composition
4,6-bis (octylthiomethyl)-o-cresol
CAS Number
Physical Form
Liquid, Low viscous
Yellow, Pale
Product Status
Applications/ Recommended for
Styrene-butadiene-styrene SBS Styrene-isoprene-styrene SIS
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
12 - 15 °C
Flash Point
> 200 °C
Molecular Weight
424.7 g/mol

Compatiblity with other products

Find products that are predicted to be compatible with Irganox® 1520 L.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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