CAS 38613-77-3

Tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylenediphosphonite

Description:

Tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylenediphosphonite is a phosphonite compound characterized by its complex molecular structure, which includes multiple bulky tert-butyl groups that enhance its steric properties. This compound is known for its role as an antioxidant and stabilizer in various polymer applications, particularly in plastics and elastomers, where it helps to prevent degradation from heat and light exposure. The presence of the biphenylene moiety contributes to its thermal stability and potential for UV absorption. Additionally, the bulky substituents provide solubility in organic solvents and improve compatibility with various materials. Its chemical stability and effectiveness as a stabilizer make it valuable in industrial applications, particularly in the production of high-performance materials. Safety data sheets should be consulted for handling and toxicity information, as with any chemical substance, to ensure proper safety measures are taken during use.

Formula: C₆₈H₉₂O₄P₂

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: C(C)(C)(C)C1=C(OP(OC2=C(C(C)(C)C)C=C(C(C)(C)C)C=C2)C3=CC=C(C=C3)C4=CC=C(P(OC5=C(C(C)(C)C)C=C(C(C)(C)C)C=C5)OC6=C(C(C)(C)C)C=C(C(C)(C)C)C=C6)C=C4)C=CC(C(C)(C)C)=C1

Synonyms:

• 4,4′-Biphenylenediphosphonous acid tetrakis(2,4-di-tert-butylphenyl) ester
• Ao 110
• Hostanox P-EPQ
• Irgafos EPQ
• Irgafos P-EPO
• Irgafos P-EPQ-FD
• Irgafos P-EPQFF
• Irgafos PEPQ
• Irganox P-EPQ
• P-Epq
• Pentaerythritol-double-phosphorus acid-bis(2,4-bis-ter-buty-phenyl)easter
• Phos 2
• Phosphonous acid, P,P′-[[1,1′-biphenyl]-4,4′-diyl]bis-, P,P,P′,P′-tetrakis[2,4-bis(1,1-dimethylethyl)phenyl] ester
• Phosphonous acid, [1,1′-biphenyl]-4,4′-diylbis-, tetrakis[2,4-bis(1,1-dimethylethyl)phenyl] ester
• Sandostab EPQ
• Tetrakis(2,4-di-tert-butylphenyl) [1,1-biphenyl]-4,4′-diyl bisphosphonite
• Tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylenediphosphonite
• Tetrakis(2,4-di-tert-butylphenyl-4,4′-biphenylylene-diphosphonite)
• Thp-Epq
• [4-[4-Bis(2,4-ditert-butylphenoxy)phosphanylphenyl]phenyl]-bis(2,4-ditert-butylphenoxy)phosphane

Tetrakis(2,4-di-tert-butylphenyl)-1,1-biphenyl-4,4'-diylbisphosphonite

CAS: 38613-77-3

Formula: C₆₈H₉₂O₄P₂

Purity: 98%

Color and Shape: Solid

Molecular weight: 1035.4032

Ref: IN-DA003UPK

Tetrakis(2,4-di-tert-butylphenyl) [1,1'-biphenyl]-4,4'-diylbis(phosphonite)

CAS: 38613-77-3

Tetrakis(2,4-di-tert-butylphenyl) [1,1'-biphenyl]-4,4'-diylbis(phosphonite)

Purity: 97%

Molecular weight: 1035.4g/mol

Ref: 54-OR1038586

Tetrakis(2,4-di-tert-butylphenyl)(1,1'-biphenyl)-4,4'-diylbisphosphonite

CAS: 38613-77-3

Formula: C₆₈H₉₂O₄P₂

Molecular weight: 1035.43

Ref: 4Z-I-147003

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

CAS: 38613-77-3

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)

Formula: C₆₈H₉₂O₄P₂

Color and Shape: White To Off-White

Molecular weight: 1035.40

Ref: TR-T298505

Tetrakis(2,4-di-tert-butylphenyl) [1,1'-biphenyl]-4,4'-diylbis(phosphonite)

CAS: 38613-77-3

Tetrakis(2,4-di-tert-butylphenyl) [1,1'-biphenyl]-4,4'-diylbis(phosphonite) is a phosphite that can be used as an additive in polymer synthesis. It has been shown to have stabilization properties and control studies have shown it to be effective at concentrations of less than 0.5%. The FT-IR spectroscopy of this compound has been studied extensively and the carbonyl group and hydroxyl group are confirmed by proton NMR. It is stable in the presence of strong acids and bases and does not react with water or alcohols. Tetrakis(2,4-di-tert-butylphenyl) [1,1'-biphenyl]-4,4'-diylbis(phosphonite) is capable of undergoing a number of chemical reactions including addition to alkenes or alkynes; addition to nitriles;

Formula: C₆₈H₉₂O₄P₂

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 1,035.4 g/mol

Ref: 3D-FT142226