Chemical name:

Triphenyl phosphite


specialty products, specialty additives

Markets and applications:

adhesives, CASE, adhesives, coatings, paints & coatings, plastics, polymer additives


raw materials & intermediates




PCC Rokita SA Phosphorus Chemistry Business Unit

CAS No.:



Rostabil series - phosphite antioxidants - due to an unique protection of the polymer degradation through its processing and entire life are considered as one of the most efficient co-stabiliziers group. The main role of these additives is to: protect the resin from heat aging, preserve its appearance from discoloration/yellowing, maintain its strength, stiffness or flexibility, extend its lifetime. As secondary antioxidants they are often used as synergists in combination with phenolic antioxidants.

Alternative names:

Show alternative names
TPP; phosphorous acid, triphenyl ester; phosphite; phosphite ester; organophosphite; organophosphorous compound; aryl phosphite; (Hide)


degradation prevention degradation resistance degradation decomposition ageing discoloration yellowing yellowness yellowness index accelerated ageing colour change stability polymers cross-linking phosphorus derivatives phosphite plastic additives plastics intermediate raw material reaction production synthesis transesterification phosphites powder coatings
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