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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V (Limit test)
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium sodium 3,3'-(3(or4)-methyl-1,2-phenylenebis(imino(6-chloro)-1,3,5-triazine-4,2-diylimino(2-acetamido-5-methoxy)-4,1-phenylenazo)dinaphthalene-1,5-disulfonate
EC Number:
403-810-6
EC Name:
Potassium sodium 3,3'-(3(or4)-methyl-1,2-phenylenebis(imino(6-chloro)-1,3,5-triazine-4,2-diylimino(2-acetamido-5-methoxy)-4,1-phenylenazo)dinaphthalene-1,5-disulfonate
Cas Number:
140876-13-7
Molecular formula:
C51H42Cl2N16O16S4
IUPAC Name:
3-{2-[4-({4-chloro-6-[(2-{[4-chloro-6-({4-[2-(4,8-disulfonaphthalen-2-yl)diazen-1-yl]-5-acetamido-2-methoxyphenyl}amino)-1,3,5-triazin-2-yl]amino}-5-methylphenyl)amino]-1,3,5-triazin-2-yl}amino)-2-acetamido-5-methoxyphenyl]diazen-1-yl}naphthalene-1,5-disulfonic acid; 3-{2-[4-({4-chloro-6-[(2-{[4-chloro-6-({4-[2-(4,8-disulfonaphthalen-2-yl)diazen-1-yl]-5-acetamido-2-methoxyphenyl}amino)-1,3,5-triazin-2-yl]amino}-6-methylphenyl)amino]-1,3,5-triazin-2-yl}amino)-2-acetamido-5-methoxyphenyl]diazen-1-yl}naphthalene-1,5-disulfonic acid

Test animals

Species:
other: Rat (Wistar-derived)

Administration / exposure

Route of administration:
other: Deionised water

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
Male: 2000 mg/kg bw; Number of animals: 5; Number of deaths: 0
Female: 2000 mg/kg bw; Number of animals: 5; Number of deaths: 0
Clinical signs:
other: Signs of toxicity related to dose levels: No deaths and no signs of toxicity were observed. All animals produced orange-stained faeces on the day following dosing only.
Gross pathology:
Effects on organs: No treatment-related macroscopic findings were observed.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU