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Molecule

Cyclohexyldiphenylphosphine Oxide

CAS: 13689-20-8 · C18H21OP

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number
13689-20-8
Molecular Formula
C18H21OP
Molecular Mass
284.34 g/mol

Identifiers

CAS Registry Number

13689-20-8

SMILES

O=P(c1ccccc1)(c1ccccc1)C1CCCCC1

InChI Key

ICVUZKQDJNUMKC-UHFFFAOYSA-N

InChI

InChI=1S/C18H21OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-2,4-7,10-13,18H,3,8-9,14-15H2

Names and Synonyms

  • Cyclohexyldiphenylphosphine Oxide Common Name
  • Phosphine oxide, cyclohexyldiphenyl- Synonym
  • Cyclohexyldiphenylphosphine oxide Synonym
  • Diphenylcyclohexylphosphine oxide Synonym
  • [Cyclohexyl(phenyl)phosphoryl]benzene Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 284.34 g/mol CAS Common Chemistry
284.33900000000006 g/mol RDKit
284.339 g/mol RDKit
Canonical SMILES O=P(C=1C=CC=CC1)(C=2C=CC=CC2)C3CCCCC3 CAS Common Chemistry
InChI InChI=1S/C18H21OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-2,4-7,10-13,18H,3,8-9,14-15H2 CAS Common Chemistry
InChI Key InChIKey=ICVUZKQDJNUMKC-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 165-166 °C CAS Common Chemistry
Name Cyclohexyldiphenylphosphine oxide CAS Common Chemistry
Heavy Atom Count 20 RDKit
Hydrogen Bond Acceptors 1 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 3 RDKit
Aromatic Ring Count 2 RDKit
Topological Polar Surface Area 17.07 Ų RDKit
LogP 4.333200000000003 RDKit
4.3332 RDKit
4.52 chempirical lib
Molar Refractivity 86.63150000000006 cm³/mol RDKit
Ring Count 3 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.3333 RDKit
0.33 chempirical lib
Exact Mass 284.133001922 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

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MW = 284.34 g/mol. Edit any field — others recompute live.

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