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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
acute toxicity: other routes
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
Data came from the HPV dossier (IUCLID 4 file) on CAS No. 81-11-8 that was posted on the OECD website.

Data source

Reference
Reference Type:
publication
Title:
Uterotropic action in rat of amsonic acid and three of its synthetic precursors.
Author:
Smith ER and Quinn MM
Year:
1992
Bibliographic source:
J. Toxicol. Environ. Health. 36(1), 13-25.

Materials and methods

Principles of method if other than guideline:
no data
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-diaminostilbene-2,2'-disulphonic acid
EC Number:
201-325-2
EC Name:
4,4'-diaminostilbene-2,2'-disulphonic acid
Cas Number:
81-11-8
Molecular formula:
C14H14N2O6S2
IUPAC Name:
2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)
Details on test material:
no data

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female
Details on test animals or test system and environmental conditions:
no data

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
not specified
Details on exposure:
no data
Doses:
3000 mg/kg bw
1000 mg/kg bw
No. of animals per sex per dose:
3000 mg/kg bw: 6
1000 mg/kg bw: 15
Control animals:
not specified
Details on study design:
no data
Statistics:
no data

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
ca. 3 000 mg/kg bw
Mortality:
Two out of six animals given 3000 mg/kg i.p. died within 24 hours of
treatment. None of the 15 animals given 1000 mg/kg died.
Clinical signs:
no data
Body weight:
no data
Gross pathology:
no data
Other findings:
no data

Applicant's summary and conclusion

Conclusions:
LD50 (male)= 3000 mg/kg bw
Executive summary:

According to publsihed data LD50 (male)= 3000 mg/kg.