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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: other routes
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1981
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
BASF-Testing method
GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Pentasodium bis[5-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2,7-disulphonato(4-)]chromate(5-)
EC Number:
279-317-3
EC Name:
Pentasodium bis[5-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2,7-disulphonato(4-)]chromate(5-)
Cas Number:
79828-43-6
Molecular formula:
C38H18Cl2CrN16O20S4.5Na
IUPAC Name:
Pentasodium bis[5-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2,7-disulphonato(4-)]chromate(5-)
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Test animals

Species:
mouse
Strain:
NMRI
Sex:
male/female
Details on test animals or test system and environmental conditions:
- Strain: NMRI/WIGA
- Fasting: 15 to 29 hours
- Diet: HERILAN MRH-HALTUNG; H.EGGERSMANN KG

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
CMC (carboxymethyl cellulose)
Details on exposure:
Concentration in vehicle [%]: 3.16, 4.64, 7, 10
Application volume: 10 ml/kg bw
Doses:
316, 464, 700, 1000 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Observation: 1 hour and 1, 2, 7, 14 days after administration
- Body weight: Start of study, Days 2-4, 7, 13
- Necropsy of survivors performed: yes
Statistics:
LD50 determination, test for dose-effect relation, Probit analysis, test for homogeneity of data

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
611 mg/kg bw
Based on:
test mat.
95% CL:
507 - 737
Mortality:
Dose [mg/kg bw] No of animals No dead animals mortality [%]
316 10 0 0
464 10 3 30
700 10 5 50
1000 10 10 100
Clinical signs:
dyspnoea, blue discoloration of skin and urine, ataxia, apathia, prone position, tremor, convulsions, exsiccosis
Body weight:
no effect
Gross pathology:
discolouration of organs, intraabdominal precipitation of test substance

Applicant's summary and conclusion

Conclusions:
The intraperitoneal LD50 in the mouse is 611 mg/kg bw