Registration Dossier
Registration Dossier
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EC number: 287-791-8 | CAS number: 85585-89-3
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1965
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 965
- Report date:
- 1965
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:
- Internal Guideline Hoechst AG
- GLP compliance:
- no
- Test type:
- standard acute method
- Limit test:
- no
Test material
- Reference substance name:
- Cuprate(3-), [3-hydroxy-4-[[2-hydroxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonato(5-)]-, potassium sodium
- EC Number:
- 287-791-8
- EC Name:
- Cuprate(3-), [3-hydroxy-4-[[2-hydroxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonato(5-)]-, potassium sodium
- Cas Number:
- 85585-89-3
- Molecular formula:
- C18H11CuKN2Na2O14S4
- IUPAC Name:
- Cuprate(3-), [3-hydroxy-4-[[2-hydroxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonato(5-)]-, potassium sodium
- Test material form:
- solid
- Details on test material:
- Reactive Red 23
Constituent 1
Test animals
- Species:
- rat
- Strain:
- other: mixed-race albino
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Weight at study initiation: 80 - 110g (average: 93 g)
- Fasting period before study: 12 h
- Diet (e.g. ad libitum): standard ALTROMIN, ad libitum
- Water (e.g. ad libitum): mains water, ad libitum
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- other: 2 % starch
- Details on oral exposure:
- VEHICLE
- Concentration in vehicle: 25 % - Doses:
- 2.5, 4.0, 6.3 and 10.0 g/kg body weight
- No. of animals per sex per dose:
- 10 females
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days
- Statistics:
- Determination of LD50: graphical in probability grid
Results and discussion
Effect levels
- Key result
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- 5 000 mg/kg bw
- Based on:
- test mat.
- 95% CL:
- > 4 800 - < 5 300
- Mortality:
- mortality in doses 4.0, 6.3 and 10.0
death occured 24h after application - Clinical signs:
- no effects
Any other information on results incl. tables
Dose level [g/kg bw] |
Mortality |
| 2.5 | 0/10 |
| 4.0 | 2/10 |
6.3 |
8/10 |
| 10.0 | 10/10 |
Deaths occurred within 24 hours after test substance administration.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The LD50 to female rat was calculated to be 5000 mg/kg bw. The substance is not classifiable according to CLP criteria.
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