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Toxicological information

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
1973
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study according to internal BASF standards

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1973
Report Date:
1973

Materials and methods

Principles of method if other than guideline:
BASF Method
GLP compliance:
no
Test type:
standard acute method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Indigoküpe BASF 60% Körner

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified
Details on test animals and environmental conditions:
no data

Administration / exposure

Type of coverage:
not specified
Vehicle:
water
Details on dermal exposure:
50% aqueous suspension
Duration of exposure:
no data
Doses:
2500 mg/kg bw
No. of animals per sex per dose:
no data
Control animals:
no
Details on study design:
- Duration of observation period following administration: 7 days
- Frequency of observations and weighing: -
- Necropsy of survivors performed: yes
Statistics:
NA

Results and discussion

Preliminary study:
NA
Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
> 2 500 mg/kg bw
Mortality:
no deaths
Clinical signs:
no effect
Body weight:
no data
Gross pathology:
no effect

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
acute dermal LD50 in rats is higher than 2500 mg/kg bw