Synonyms: Phosphorousacid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl) ester (8CI);2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis(2,4-di-tert-butylphenoxy)- (8CI);Phenol, 2,4-di-tert-butyl-,dihydrogen phosphite cyclic neopentanetetrayl ester (8CI);ADK Stab PEP 24;ADKStab PEP 24G;2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-;Antioxidant 626;Cyclicneopentanetetrayl bis(2,4-di-tert-butylphenyl phosphite);Di(2,4-di-tert-butylphenyl)pentaerythritol diphosphite;Doverphos S 9432;Irgafos 126;Irgafos 126FF;Mark PEP 24;Mark PEP 24G;Phos 5;Songnox6260;Ultranox 2879A;Ultranox 624;Ultranox 626;Weston 626;Weston MDW 626;