Phosphonous acid,P,P'-[[1,1'-biphenyl]-4,4'-diyl]bis-,P,P,P',P'-tetrakis[2,4-bis(1,1-dimethylethyl)phenyl] ester cas no:38613-77-3
Synonyms: Phosphonousacid, [1,1'-biphenyl]-4,4'-diylbis-, tetrakis[2,4-bis(1,1-dimethylethyl)phenyl]ester (9CI);4,4'-Biphenylenediphosphonous acidtetrakis(2,4-di-tert-butylphenyl) ester;Hostanox P-EPQ;Irgafos EPQ;IrgafosP-EPO;Irgafos P-EPQ-FD;Irgafos P-EPQFF;Irgafos PEPQ;Irganox P-EPQ;P-EPQ;Phos 2;Sandostab EPQ;Tetrakis(2,4-di-tert-butylphenyl)4,4'-biphenyldiphosphinate;Tetrakis(2,4-di-tert-butylphenyl)4,4'-biphenylenediphosphonite;Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite;Tetrakis(2,4-di-tert-butylphenyl-4,4'-biphenylylene-diphosphonite);
NamePhosphonous acid,P,P'-[[1,1'-biphenyl]-4,4'-diyl]bis-,P,P,P',P'-tetrakis[2,4-bis(1,1-dimethylethyl)phenyl] ester
CAS38613-77-3
SynonymsPhosphonousacid, [1,1'-biphenyl]-4,4'-diylbis-, tetrakis[2,4-bis(1,1-dimethylethyl)phenyl]ester (9CI);4,4'-Biphenylenediphosphonous acidtetrakis(2,4-di-tert-butylphenyl) ester;Hostanox P-EPQ;Irgafos EPQ;IrgafosP-EPO;Irgafos P-EPQ-FD;Irgafos P-EPQFF;Irgafos PEPQ;Irganox P-EPQ;P-EPQ;Phos 2;Sandostab EPQ;Tetrakis(2,4-di-tert-butylphenyl)4,4'-biphenyldiphosphinate;Tetrakis(2,4-di-tert-butylphenyl)4,4'-biphenylenediphosphonite;Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite;Tetrakis(2,4-di-tert-butylphenyl-4,4'-biphenylylene-diphosphonite);
EINECS(EC#)254-037-4
Molecular FormulaC68H92O4P2
Molecular Weight1035.54
Safety Low toxicity by ingestion. Experimental reproductive effects. When heated to decomposition it emits toxic vapors of POx.