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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Repeated dose toxicity: dermal

Currently viewing:

Administrative data

Endpoint:
short-term repeated dose toxicity: dermal
Remarks:
other: five days.
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Unsuitable test system (only 5 consecutive days).

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1956
Report date:
1956

Materials and methods

Principles of method if other than guideline:
The effect of the 5 -days repeated skin administration to five rats was evaluated. 20 mg were given to each animal.
GLP compliance:
no
Remarks:
Pre GLP.

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium 4,4'-bis[[6-anilino-4-[(2-hydroxyethyl)methylamino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
EC Number:
237-600-9
EC Name:
Disodium 4,4'-bis[[6-anilino-4-[(2-hydroxyethyl)methylamino]-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulphonate
Cas Number:
13863-31-5
Molecular formula:
C38H40N12Na2O8S2
IUPAC Name:
disodium 2,2'-ethene-1,2-diylbis[5-({4-anilino-6-[(2-hydroxyethyl)(methyl)amino]-1,3,5-triazin-2-yl}amino)benzenesulfonate]

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Type of coverage:
not specified
Vehicle:
other: gum arabic
Details on exposure:
TEST SITE
- Area of exposure: back.

TEST MATERIAL
- Amount applied: 0.4 ml
- Concentration: 5 %
- Constant volume or concentration used: yes.
Analytical verification of doses or concentrations:
no
Duration of treatment / exposure:
5 days.
Frequency of treatment:
Daily.
Doses / concentrations
Dose / conc.:
20 mg/kg bw/day (nominal)
Remarks:
Doses / Concentrations:
20 mg/animal
Basis:
no data
No. of animals per sex per dose:
5
Control animals:
no

Results and discussion

Results of examinations

Details on results:
After 8 days no abnormalities detected.

Effect levels

Dose descriptor:
NOAEL
Effect level:
20 other: mg/animal
Based on:
test mat.
Sex:
not specified
Basis for effect level:
other: no effects up to the highest dose

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
After 8 days no abnormalities detected in animals exposed to 20 mg of the test substance.
Executive summary:

Method

The effect of the 5 -days repeated skin administration to five rats was evaluated. 20 mg were given to each animal.

Result

After 8 days no abnormalities detected.