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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test was conducted according to EU Method B.5 and compliant with GLP.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Version / remarks:
(Directive 92/69/EEC)
Deviations:
not specified
GLP compliance:
yes

Test material

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:
C26H27O3P
IUPAC Name:
[phenyl(2,4,6-trimethylbenzoyl)phosphoryl](2,4,6-trimethylphenyl)methanone
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Nature of substance: solid

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
not specified
Controls:
not specified
Amount / concentration applied:
ca. 73 mg
Duration of treatment / exposure:
1 hour
Observation period (in vivo):
4 days
Number of animals or in vitro replicates:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
1
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
1.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
other: no data
Time point:
other: no data
Max. score:
2
Remarks on result:
other: Max. duration: 96 h; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
chemosis score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overatll at 24, 48 and 72 h
Score:
1
Irritation parameter:
chemosis score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
1
Irritation parameter:
chemosis score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
other: no data
Time point:
other: no data
Max. score:
1
Remarks on result:
other: Max. duration: 96 h; Max. value at end of observation period: 0 (related to all animals).
Irritation parameter:
cornea opacity score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
other: no data
Time point:
other: no data
Max. score:
0
Remarks on result:
other: Max. duration: 0 h; Max. value at end of obervation period: 0 (related to all animals)
Irritation parameter:
iris score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0.33
Irritation parameter:
iris score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24,48 and 72 h
Score:
0
Irritation parameter:
iris score
Basis:
other: no data
Time point:
other: no data
Max. score:
1
Remarks on result:
other: Max. duration: 48 h; Max. value at end of observation period: 0 (related to all animals)
Irritant / corrosive response data:
Reversibility of any observed effect: Changes fully reversible within 4 days.
Other effects:
None

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The test substance is not classified as irritating to the eye.