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Irganox® 245 DW

Technical Datasheet | Supplied by BASF
HSP Distance with PowerNox™ 1520: 1.4
Irganox® 245 DW by BASF is a mixture of 40% triethylene glycol bis(3-tert-butyl-4-hydroxy-5-methylphenyl), polyvinyl alcohol and deionized water. Acts as an antioxidant. Offers excellent heat stability, low color and high thermal stability. It protects the substrates against thermo-oxidative degradation during manufacturing, processing and end-use. Imparts excellent chain terminating properties during PVC polymerization. Irganox® 245 DW can be recommended at a concentration level of about 0.03–0.08% as chain stopper for the PVC polymerization.
Product Type
Antioxidants > Phenolics
Chemical Composition
Mixture of 40% triethylene glycol bis(3-tert-butyl-4-hydroxy-5-methylphenyl), polyvinyl alcohol and deionized water
CAS Number
Physical Form
Dispersion, Liquid
Product Status
Applications/ Recommended for
  • PVC
  • Mechanical/ physical performance > Thermal resistance
Food contact approval

Irganox® 245 DW Properties


Value & Unit
Test Condition
Test Method
1.05 g/ml
(At 25°C)
Molecular Weight
586.8 g/mol
190 mPa-s
(At 25°C)
SpecialChem additionnal informations based on CAS Number : 36443-68-2

Hansen Solubility Parameters

[17.6, 1.5, 6.2]
[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® 245 DW. A practical determination of these HSP values would provide higher certainty. Learn More.

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