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Doverphos® HiPure 4 (TNPP)

Doverphos® HiPure 4 (TNPP) by Dover (ICC Industries) is trisnonylphenol phosphite with less than 0.1% residual nonylphenol. Acts as an antioxidant and heat stabilizer. It is an aryl phosphite with high molecular weight and low phosphorus content. Doverphos® HiPure 4 (TNPP) complies with FDA. Recommended usage ranges from 0.05 to 3.00% for most applications.
Product Type
  • Heat Stabilizers
  • Antioxidants > Phosphites
Chemical Composition
Trisnonylphenyl phosphite
CAS Number

Compatiblity with other products

Find products that are predicted to be compatible with Doverphos® HiPure 4 (TNPP).

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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