Triphenyl phosphate

CAS Registry Number®

115-86-6

CAS Name

Triphenyl phosphate

Molecular Formula

C18H15O4P

Molecular Mass

326.28

Cite this Page

Triphenyl phosphate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=115-86-6 (retrieved 2025-07-13) (CAS RN: 115-86-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    370 °C

  • Melting Point (2)

    49-50 °C

  • Density (2)

    1.2055 g/cm³ @ Temp: 50 °C

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
  • (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C18H15O4P/c19-23(20-16-10-4-1-5-11-16,21-17-12-6-2-7-13-17)22-18-14-8-3-9-15-18/h1-15H

InChIKey

InChIKey=XZZNDPSIHUTMOC-UHFFFAOYSA-N

SMILES

P(OC1=CC=CC=C1)(OC2=CC=CC=C2)(OC3=CC=CC=C3)=O

Canonical SMILES

O=P(OC=1C=CC=CC1)(OC=2C=CC=CC2)OC=3C=CC=CC3

Other Names for this Substance

  • Phosphoric acid, triphenyl ester
  • Celluflex TPP
  • Triphenyl phosphate
  • Phenyl phosphate ((PhO)3PO)
  • Triphenoxyphosphine oxide

View All

Deleted or Replaced CAS Registry Numbers

402955-02-6

CAS INSIGHTSTM
Abstract water drop seamless pattern. Colorful decorative texture. Vector backgrounds.