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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Display Name:
A mixture of: hexyldioctylphosphineoxide; dihexyloctylphosphineoxide; trioctylphosphineoxide
EC Number:
403-470-9
EC Name:
A mixture of: hexyldioctylphosphineoxide; dihexyloctylphosphineoxide; trioctylphosphineoxide
Molecular formula:
Not applicable
IUPAC Name:
1-(dihexylphosphoryl)hexane; 1-(dihexylphosphoryl)octane; 1-(dioctylphosphoryl)octane; 1-[hexyl(octyl)phosphoryl]octane

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • CYANEX (R) EXTRACTANT
  • CYANEX 923 EXTRACTANT
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Trioctylphosphine oxide
    EC Number:
    201-121-3
    EC Name:
    Trioctylphosphine oxide
    CAS Number:
    78-50-2
    Molecular formula:
    C24 H51 P O
    IUPAC Name:
    Trioctylphosphine oxide
    Constituent 2
    Chemical structure
    Reference substance name:
    Trihexylphosphine oxide
    EC Number:
    221-392-1
    EC Name:
    Trihexylphosphine oxide
    CAS Number:
    3084-48-8
    Molecular formula:
    Hill formula: C18 H39 P O CAS formula: C18 H39 P O
    IUPAC Name:
    Trihexylphosphine oxide
    Constituent 3
    Chemical structure
    Reference substance name:
    Dioctylhexylphosphine oxide
    CAS Number:
    31160-66-4
    Molecular formula:
    C22 H47 P O
    IUPAC Name:
    Dioctylhexylphosphine oxide
    Constituent 4
    Chemical structure
    Reference substance name:
    Octyldihexylphosphineoxide
    Molecular formula:
    C20 H43 P O
    IUPAC Name:
    Octyldihexylphosphineoxide

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Trioctylphosphine oxide
    EC Number:
    201-121-3
    EC Name:
    Trioctylphosphine oxide
    CAS Number:
    78-50-2
    Molecular formula:
    C24 H51 P O
    IUPAC Name:
    Trioctylphosphine oxide
    Constituent 2
    Chemical structure
    Reference substance name:
    Trihexylphosphine oxide
    EC Number:
    221-392-1
    EC Name:
    Trihexylphosphine oxide
    CAS Number:
    3084-48-8
    Molecular formula:
    Hill formula: C18 H39 P O CAS formula: C18 H39 P O
    IUPAC Name:
    Trihexylphosphine oxide
    Constituent 3
    Chemical structure
    Reference substance name:
    Dioctylhexylphosphine oxide
    CAS Number:
    31160-66-4
    Molecular formula:
    C22 H47 P O
    IUPAC Name:
    Dioctylhexylphosphine oxide
    Constituent 4
    Chemical structure
    Reference substance name:
    Octyldihexylphosphineoxide
    Molecular formula:
    C20 H43 P O
    IUPAC Name:
    Octyldihexylphosphineoxide

    Composition(s) generated upon use

    Other types of composition(s)