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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1974
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1974

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione
EC Number:
221-897-7
EC Name:
Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione
Cas Number:
3271-76-9
Molecular formula:
C31H15NO3
IUPAC Name:
anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione
Test material form:
solid

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Type of coverage:
occlusive
Vehicle:
CMC (carboxymethyl cellulose)
Details on dermal exposure:
50% concentration
Duration of exposure:
20 h
Doses:
2500 mg/kg bw
No. of animals per sex per dose:
6
Control animals:
not required
Details on study design:
- Duration of observation period following administration: 14 days
- Necropsy of survivors performed: yes

Results and discussion

Effect levels
Key result
Sex:
not specified
Dose descriptor:
LD50
Effect level:
> 2 500 mg/kg bw
Based on:
test mat.
Remarks on result:
not determinable due to absence of adverse toxic effects
Mortality:
none
Clinical signs:
none
Body weight:
no data
Gross pathology:
no effects

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
No adverse effects were noted at a limit dose of 2500 mg/kg bw