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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

Names and Synonyms:

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

Identifiers:

SMILES:
O=P(c1ccccc1)(c1ccccc1)C1CCCCC1
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

Key Properties

Melting Point
165-166 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

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

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 284.34 g/mol CAS Common Chemistry
284.33900000000006 g/mol RDKit
284.133001922 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
Molar Refractivity 86.63150000000006 RDKit

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