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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
EC Number:
278-355-8
EC Name:
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
CAS Number:
75980-60-8
Molecular formula:
C22H21O2P
IUPAC Name:
(mesitylcarbonyl)(diphenyl)phosphine oxide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
  • 75980-60-8
  • (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide
  • 2,4,6-Trimethylbenzoyl diphenyl phosphine oxide (TPO)
  • Chivacure TPO
  • Chivacure® TPO
  • Darocur TPO
  • Darocure TPO
  • Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
  • GENOCURE* TPO
  • Genocure TPO
  • Initiator 554
  • Irgacure TPO
  • JRCure TPO
  • L-TPO
  • Lucirin 8893X
  • Lucirin LR 8728
  • Lucirin LR 8953
  • Lucirin TPO
  • Lucirin TPO solid
  • Lucirin TPO-X
  • Phosphine oxide, diphenyl(2,4,6-trimethylbenzoyl)- (9CI)
  • Photocure TPO
  • Photoinitiator TPO
  • Speedcure TPO
  • TPO
  • TPO-X
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder
    Degree of purity:
    >= 96 - <= 99.8 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    Impurity 1
    Chemical structure
    Reference substance name:
    Methoxydiphenylphosphine
    EC Number:
    223-683-9
    EC Name:
    Methoxydiphenylphosphine
    CAS Number:
    4020-99-9
    Molecular formula:
    C13H13OP
    IUPAC Name:
    methyl diphenylphosphinite
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8
    EC Name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    CAS Number:
    75980-60-8
    Molecular formula:
    C22H21O2P
    IUPAC Name:
    (mesitylcarbonyl)(diphenyl)phosphine oxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
    EC Number:
    278-355-8