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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996
Report date:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Draize method
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
429-220-9
EC Name:
-
Cas Number:
132584-17-9
Molecular formula:
C17 H18 O4
IUPAC Name:
ethyl 2-hydroxy-2-(4-phenoxyphenyl)propanoate
Test material form:
liquid
Specific details on test material used for the study:
Purity: 98.93%
Batch: IN-JG303-5

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
other: adjacent areas of untreated skin were used for comparison
Amount / concentration applied:
0.5 mL
Duration of treatment / exposure:
4 h
Observation period:
72 hours
Number of animals:
6

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
24 h
Score:
1
Max. score:
4
Reversibility:
fully reversible within: 48 hours
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
erythema score
Basis:
animal #4
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
erythema score
Basis:
animal #5
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
erythema score
Basis:
animal #6
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal #4
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal #5
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal #6
Time point:
24/48/72 h
Score:
0
Max. score:
4

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Test substance was considred a slight irritant.