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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1975
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:
1975
Report date:
1975

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(1-aminoanthraquinon-2-yl)anthra[2,3-d]oxazole-5,10-dione
EC Number:
219-168-3
EC Name:
2-(1-aminoanthraquinon-2-yl)anthra[2,3-d]oxazole-5,10-dione
Cas Number:
2379-79-5
Molecular formula:
C29H14N2O5
IUPAC Name:
2-(1-aminoanthraquinon-2-yl)anthra[2,3-d]oxazole-5,10-dione
Test material form:
solid

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Hagemann, Germany
- Fasting period before study: 15 - 20 h prior to test start
- Diet (e.g. ad libitum): Herilan, ad libitum
- Water (e.g. ad libitum): ad libitum

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Remarks:
0.5% CMC in water
Details on oral exposure:
single dose received by gavage
emulsion prepared with 6-35% CMC suspension
applied volume: 10 mL/kg
Doses:
10000 mg/kg bw
No. of animals per sex per dose:
10 rats (sex not specified)
Control animals:
no
Details on study design:
Observation period: 14 d after test substance administration
Statistics:
Determination of LD50: statistically if possible

Results and discussion

Effect levelsopen allclose all
Sex:
not specified
Dose descriptor:
LD50
Effect level:
ca. 10 000 mg/kg bw
Based on:
test mat.
Sex:
not specified
Dose descriptor:
LD50
Effect level:
ca. 5 000 mg/kg bw
Based on:
act. ingr.
Clinical signs:
prone position, slight apathy, diarrhea, slight apathy, feces red discolored, dyspnea, animals cachectic
Gross pathology:
acute heart dilatation, congestion hyperemia, stomach dilatation, liquid gastric contents

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50 (oral, gavage) in rats was determined at ca. 5000 mg/kg bw act. ingr. The substance is not classifiable according to CLP criteria.