Registration Dossier
Registration Dossier
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EC number: 276-075-0 | CAS number: 71839-91-3
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 1969-09-18
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 969
- Report date:
- 1969
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 401 (Acute Oral Toxicity)
- Deviations:
- no
- GLP compliance:
- no
- Test type:
- standard acute method
- Limit test:
- no
Test material
- Reference substance name:
- Sodium bis[2,4-dihydro-4-[[2-hydroxy-5-(methylsulphonyl)-4-nitrophenyl]azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]chromate(1-)
- EC Number:
- 276-075-0
- EC Name:
- Sodium bis[2,4-dihydro-4-[[2-hydroxy-5-(methylsulphonyl)-4-nitrophenyl]azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]chromate(1-)
- Cas Number:
- 71839-91-3
- Molecular formula:
- C34 H26 Cr N10 O12 S2 . Na
- IUPAC Name:
- sodium bis[2,4-dihydro-4-[[2-hydroxy-5-(methylsulphonyl)-4-nitrophenyl]azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]chromate(1-)
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Sprague-Dawley
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Weight at study initiation: Female: 127.3 - 132.3 g; Male: 142.6 - 149.0 g
- Fasting period before study: 18 hours before treatment
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- water
- Details on oral exposure:
- VEHICLE
- Concentration in vehicle: 100 mg/mL
- Amount of vehicle: 20 mL/kg bw
MAXIMUM DOSE VOLUME APPLIED: 2.98 mL - Doses:
- 0, 2000 , 4000 mg/kg bw
- No. of animals per sex per dose:
- 6
- Control animals:
- yes
- Details on study design:
- - Duration of observation period following administration: 14 days
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight
Results and discussion
Effect levels
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- 4 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No mortality was observed.
- Clinical signs:
- other: At 2000 and 4000 mg/kg bw diarrhea was observed. No other treatment related findings were observed.
- Gross pathology:
- No gross pathological findings were observed.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
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