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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)

Data source

Reference
Title:
Final report on the safety assessment of benzophenones-1, -3, -4, -5, -9, and -11
Author:
Anonymous
Year:
1983
Bibliographic source:
Journal of the American College of Toxicology, Volume 2, Number 5 (1983), page 35-77

Materials and methods

Test guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Principles of method if other than guideline:
Draize
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dihydroxybenzophenone
EC Number:
205-029-4
EC Name:
2,4-dihydroxybenzophenone
Cas Number:
131-56-6
Molecular formula:
C13H10O3
IUPAC Name:
4-benzoylbenzene-1,3-diol

Test animals / tissue source

Species:
rabbit
Strain:
other: albino

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: other eye of same animal
Amount / concentration applied:
100 mg of the undiluted substance
Duration of treatment / exposure:
there was no eye wash
Observation period (in vivo):
daily for 7 days
Number of animals or in vitro replicates:
6

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: day 1
Score:
20
Max. score:
110
Remarks on result:
other: In a second identical study the score was 17
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: day 2
Score:
7
Max. score:
110
Remarks on result:
other: In a second identical study the score was 15
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: day 3
Score:
0
Max. score:
110
Remarks on result:
other: In a second identical study the score was 10.3
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: day 4
Score:
0
Max. score:
110
Remarks on result:
other: In a second identical study the score was 3
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: day 5
Score:
0
Max. score:
110
Remarks on result:
other: In a second identical study the score was 0

Applicant's summary and conclusion

Interpretation of results:
Category 2B (mildly irritating to eyes)
Remarks:
Migrated information Criteria used for interpretation of results: EU