Registration Dossier
Registration Dossier
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EC number: 257-884-8 | CAS number: 52372-36-8
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1978
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 978
- Report date:
- 1978
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 401 (Acute Oral Toxicity)
- Principles of method if other than guideline:
- BASF-Test
- GLP compliance:
- no
- Test type:
- other: BASF method
- Limit test:
- no
Test material
- Reference substance name:
- 3-(diethylamino)-7-imino-7H-[1]benzopyrano[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
- EC Number:
- 257-885-3
- EC Name:
- 3-(diethylamino)-7-imino-7H-[1]benzopyrano[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
- Cas Number:
- 52372-39-1
- Molecular formula:
- C23H19N5O
- IUPAC Name:
- 3-(diethylamino)-7-imino-7H-chromeno[3',2':3,4]pyrido[1,2-a]benzimidazole-6-carbonitrile
- Test material form:
- solid
- Details on test material:
- Disperse Red 277
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- CMC (carboxymethyl cellulose)
- Remarks:
- 0.5%
- Details on oral exposure:
- VEHICLE
- Concentration in vehicle: 3.16 to 50% - Doses:
- top dose: 10000 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: day 0,7,14
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs
Results and discussion
Effect levels
- Key result
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- > 10 000 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- not determinable due to absence of adverse toxic effects
- Mortality:
- no mortality
- Clinical signs:
- other: dyspnea, diarrhea, faeces discoloured red, bad general condition
- Gross pathology:
- no effect
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The LD50 oral (rat, gavage) of the test item was determined at >10000 mg/kg bw. Therefore, the substance is not classifiable according to CLP criteria.
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