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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Chemical structure
Display Name:
Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
EC Number:
423-340-5
EC Name:
Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
CAS Number:
162881-26-7
Molecular formula:
C26 H27 O3 P
IUPAC Name:
[phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 162881-26-7
  • CGI 819
  • IHT-PI 920
  • Irgacure 819
  • Speedcure 819
  • Speedcure BPO
  • 01-2119489401-38-0005
    (registration number )

    Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    State Form:
    solid: particulate/powder
    Degree of purity:
    >= 99.5 - <= 99.8 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    Impurity 1
    Reference substance name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](2,3,4,6-tetramethylphenyl)methanone
    IUPAC Name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](2,3,4,6-tetramethylphenyl)methanone
    Impurity 2
    Reference substance name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](2,3,4,5-tetramethylphenyl)methanone
    IUPAC Name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](2,3,4,5-tetramethylphenyl)methanone
    Impurity 3
    Reference substance name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](2,3,5,6-tetramethylphenyl)methanone
    IUPAC Name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](2,3,5,6-tetramethylphenyl)methanone
    Impurity 4
    Reference substance name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](4-methylphenyl)methanone
    IUPAC Name:
    [phenyl(2,4,6-trimethylphenyl)carbonylphosphoryl](4-methylphenyl)methanone
    Impurity 5
    Chemical structure
    Reference substance name:
    Toluene
    EC Number:
    203-625-9
    EC Name:
    Toluene
    CAS Number:
    108-88-3
    Molecular formula:
    C7H8
    IUPAC Name:
    toluene
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone


    Constituent 1
    Chemical structure
    Reference substance name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    EC Number:
    423-340-5
    EC Name:
    Phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
    CAS Number:
    162881-26-7
    Molecular formula:
    C26 H27 O3 P
    IUPAC Name:
    [phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone

    Composition(s) generated upon use

    Other types of composition(s)