Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite (Technical Grade)

CAS: 38613-77-3

Ref. TR-T298505

Product Information

• Name: Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite (Technical Grade)
• Synonyms: Tetrakis(2,4-di-tert-butylphenyl-4,4'-biphenylylene-diphosphonite), Tetrakis(2,4-di-tert-butylphenyl-4,4'-biphenylylene-diphosphonite), Hostanox P-EPQ, Sandostab EPQ
• Brand: TRC
• Description: Applications Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite is a phosphite antioxidant.References Allen, N. S., et al.: Polymer Degrad. and Stab., 152, 208-217 (2018);Radlmaier, V., et al.: Thermochimica Acta, 648, 44-51 (2017)

Chemical properties

• Molecular weight: 1035.40
• Formula: C₆₈H₉₂O₄P₂
• Color/Form: White To Off-White
• InChI: InChI=1S/C68H92O4P2/c1-61(2,3)47-29-37-57(53(41-47)65(13,14)15)69-73(70-58-38-30-48(62(4,5)6)42-54(58)66(16,17)18)51-33-25-45(26-34-51)46-27-35-52(36-28-46)74(71-59-39-31-49(63(7,8)9)43-55(59)67(19,20)21)72-60-40-32-50(64(10,11)12)44-56(60)68(22,23)24/h25-44H,1-24H3
• InChI key: InChIKey=BEIOEBMXPVYLRY-UHFFFAOYSA-N
• SMILES: CC(C)(C)c1ccc(OP(Oc2ccc(C(C)(C)C)cc2C(C)(C)C)c2ccc(-c3ccc(P(Oc4ccc(C(C)(C)C)cc4C(C)(C)C)Oc4ccc(C(C)(C)C)cc4C(C)(C)C)cc3)cc2)c(C(C)(C)C)c1