Cyclohexyldiphenylphosphine oxide

环己基二苯基氧化膦

Also known as: Diphenyl(cyclohexyl)phosphine oxide, Cyclohexyldiphenylphosphine Oxide, Cyclohexyl(diphenyl)phosphine oxide, Phosphine oxide, cyclohexyldiphenyl-, Phosphorane, cyclohexyldiphenyl-, oxide

CAS No.
13689-20-8
Jingsj CID
J-36083-0
Molecular Formula
C18H21OP
Chinese Name
环己基二苯基氧化膦
Molecular Weight
284.332 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point168-172 °C(lit.)
Boiling Point397.2±11.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point194.0±19.3 °C

Frequently Asked Questions

What is the CAS number of Cyclohexyldiphenylphosphine oxide?

13689-20-8

What are the molecular formula and molecular weight of Cyclohexyldiphenylphosphine oxide?

C18H21OP, molecular weight 284.332 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026