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

CAS Registry Number®

38613-77-3
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CAS Name

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

Molecular Formula

C68H92O4P2

Molecular Mass

1035.40

Cite this Page

Tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylenediphosphonite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=38613-77-3 (retrieved 2024-08-15) (CAS RN: 38613-77-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    85-110 °C

Source(s)

Other Names and Identifiers

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

InChIKey

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

Canonical SMILES

O(C1=CC=C(C=C1C(C)(C)C)C(C)(C)C)P(OC2=CC=C(C=C2C(C)(C)C)C(C)(C)C)C3=CC=C(C=C3)C=4C=CC(=CC4)P(OC5=CC=C(C=C5C(C)(C)C)C(C)(C)C)OC6=CC=C(C=C6C(C)(C)C)C(C)(C)C

Other Names for this Substance

  • 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
  • Irgafos PEPQ
  • Irgafos P-EPQFF
  • Tetrakis(2,4-di-tert-butylphenyl)-4,4′-biphenylenediphosphonite

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Deleted or Replaced CAS Registry Numbers

113041-61-5, 144280-21-7, 2278203-87-3, 2841738-63-2