Antioxidants – Phosphite Antioxidants

Performance Additives – Phosphite Antioxidants

Trade NameEquivalentChemical NameCAS nr.Molecular StructureApplicationPackage
Synfos P-EPQIrgafos P-EPQ Hostanox P-EPQTetrakis(2,4-di-tert-butyl- phenyl)[1,1-biphenyl]-4,,4’-diylbi- sphosphonite119345-01-6Synfos P-EPQ Molecular StructurePolyethylene, polypropylene, polybutene and EVA copolymers as well as polycarbonates and polyamides. This blend can also be used in polyesters, homo- and co-polymers of styrene, adhesives and natural and synthetic tackifier resins, elastomers such as BR, SEBS,SBS, and other organic substrates.25kg/ box
Syfos-636ADK PEP-36Bis(2,6-di-ter-butyl-4-methyl- phenyl)pentaerythritol-diphosphite80693-00-1Synfos-636 Molecular StructureA high-efficiency solid phosphate ester antioxidant, superior to other phosphate esters in terms of color hold. It is often blended with a phenolic principal antioxidant improving thermal stability during processing, making it widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials.25kg/ box
Synfos-TNPPIrgafos-TNPPTri-(Nonyl-Phenyl) Phosphite26523-78-4Synfos-TNPP Molecular StructureA general-purpose phosphite stabilizer that can be used in most polymers such as HDPE, LLDPE, SBR, ABS, PVC and more.200kg/ drum
Synfos-168Irgafos-168tris(2,4-ditert-butylphenyl) phosphite31570-04-4Synfos-168 Molecular StructureIt can be used in a wide range of plastics; HDPE, LLDPE, PP, PBT, EVA, PC, PA, PET and homo- and co-polymers of styrene. It is also used in adhesvies and natural and synthetic tackifier resins, elastomers such as BR, SEBS, SBS and other organic substances.20kg/ bag
Synfos-626Irgafos-126 Ultranox-626 Alkanox P-24Bis(2,4-di-t-butylphenyl)pentaerythri- tol Diphosphite26741-53-7Synfos-626 Molecular StructureOften blended with a principal phenolic antioxidant (such as AO-1010) to improve the thermal stability during processing, making it widely used in PE, PP, PS, PA, PC, ABS and other polymer systems.25kg/ bag
Synfos-THOPTetraphenyl Dipropylene Glycol Diphosphite80584-85-6Synfos-THOP Molecular StructureA specialty diphosphite which is useful as a secondary stabilizer in many polymers, including PVC and polyurethane.25kg/ bag