Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
stability: thermal, sunlight, metals, other
Remarks:
Migrated from section 'Stability: thermal, sunlight, metals'
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 51007
GLP compliance:
no

Test material

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
Details on test material:
Lucirin TPO; Charge 083090, Probe Nr.5, Endprobe aus Big Bags

Results and discussion

For thermal stability study

Test substance thermally stable:
yes

Any other information on results incl. tables

1. Reaktion exotherm

Onset-Temperatur 170 °C

Peak-Temperatur 216 °C

Freigesetzte Wärmemenge 60 J/g

Die Reaktion wurde nicht auf selbstbeschleunigendes Reaktionsverhalten untersucht.

2. Reaktion exotherm

Onset-Temperatur 265 °C

Peak-Temperatur 316 °C

Freigesetzte Wärmemenge 220 J/g

Die Reaktion verläuft selbstbeschleunigend.

Applicant's summary and conclusion