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Toxicological information

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
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:
1976
Report Date:
1976

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Qualifier:
according to
Guideline:
other: D.N.NOAKES und D.M.SANDERSON (A Method for Determining the Dermal Toxicity of Pesticides; Brit.Journ.Ind.Med. 26, 59, 1969
GLP compliance:
no
Test type:
standard acute method
Limit test:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals and environmental conditions:
TEST ANIMALS
- Source: Wiga, SPF-bred
- Weight at study initiation: males: 141 g; females: 132 g

Administration / exposure

Type of coverage:
not specified
Vehicle:
water
Details on dermal exposure:
TEST SITE
- Area of exposure: back, area of 50 cm^2

TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 5 ml/kg
- Concentration (if solution): 50% solution
Duration of exposure:
Not specified
Doses:
2500 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations: daily
- Necropsy of survivors performed: yes

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
> 2 500 mg/kg bw
Based on:
test mat.
Remarks on result:
other: no mortality was observed
Mortality:
None of the animals died during the observation period.
Clinical signs:
No abnormal findings. Red-brown staining at the application site observed.
Gross pathology:
No abnormal findings.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
In the study presented, acute toxicity of the test substance was investigated using rats exposed via dermal route. No animals died during the study period and thus, the LD50 was concluded to be 2500 mg/kg bw.