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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Only short summary available. Procedure follows OECD testing guideline as far as can be derived from results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Deviations:
yes
Remarks:
limited reporting details on results
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium 4,4'-diamino-9,9',10,10'-tetrahydro-9,9',10,10'-tetraoxo[1,1'-bianthracene]-3,3'-disulphonate
EC Number:
227-877-4
EC Name:
Disodium 4,4'-diamino-9,9',10,10'-tetrahydro-9,9',10,10'-tetraoxo[1,1'-bianthracene]-3,3'-disulphonate
Cas Number:
6022-22-6
Molecular formula:
C28H16N2O10S2.2Na
IUPAC Name:
disodium 4,4'-diamino-9,9',10,10'-tetraoxo-9,9',10,10'-tetrahydro-1,1'-bianthracene-3,3'-disulfonate
Details on test material:
- Purity: 82.9 %
- Lot/batch No.: EN 901700.99

Test animals

Species:
rat
Strain:
not specified
Sex:
male/female
Details on test animals or test system and environmental conditions:
young adult albino rats were used. No further details available.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified
Details on oral exposure:
None given
Doses:
200 and 2000 mg/kg
No. of animals per sex per dose:
- 200 mg/kg: 3 female animals;
- 2000 mg/kg: 3 female animals; 3 male animals;
Control animals:
no
Details on study design:
- Necropsy of survivors performed: yes

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD0
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: Piloerection, hunched posture, and dyspnea were seen, being common symptoms in acute toxicity testing. The animals recovered within 3 to 5 days.
Mortality:
No mortality observed.
Clinical signs:
other: Piloerection, hunched posture, and dyspnea were seen, being common symptoms in acute toxicity testing. The animals recovered within 3 to 5 days.
Gross pathology:
At autopsy, no deviations from normal morphology were found.

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information