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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1998
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
See attachment

Test material

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
water
Remarks:
The test substance was applied on a gauze pad, moistened with 0.5 ml of distilled water.
Amount / concentration applied:
500 mg
Duration of treatment / exposure:
4 h
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
erythema score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
erythema score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: Overall at 24, 48 and 72 hours
Score:
0
Max. score:
0
Remarks on result:
other: Max. duration: 0 d; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
edema score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: Overall at 24, 48 and 72 hours
Score:
0
Max. score:
0
Remarks on result:
other: Max. duration: 0 d; Max. value at end of observation period: 0 (related to all animals)
Other effects:
There were no signs of ill health or toxicity in any rabbit during the observation period.

Applicant's summary and conclusion

Interpretation of results:
corrosive
Remarks:
Migrated information R34 Criteria used for interpretation of results: EU
Conclusions:
R34 "cause burn" due to presence of 4% of NaOH in CI-166 Solid

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