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Registration Dossier
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EC number: 425-220-8 | CAS number: 5945-33-5
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study with GLP
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Unnamed
- Year:
- 2 000
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Principles of method if other than guideline:
- There is no need to add in this field.
- GLP compliance:
- yes
Test material
- Reference substance name:
- -
- EC Number:
- 425-220-8
- EC Name:
- -
- Cas Number:
- 5945-33-5
- Molecular formula:
- C39H34O8P2
- IUPAC Name:
- (1-methylethylidene)di-4,1-phenylenetetraphenyl diphosphate
- Details on test material:
- 75 - 95% (typical 88%, verified by UV/visible spectrum, Infrared (IR) spectrum, Nuclear Magnetic Resonance (NMR), and Mass spectrum.)
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- Nothing to add in this field.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- not specified
- Vehicle:
- unchanged (no vehicle)
- Controls:
- not specified
- Amount / concentration applied:
- 0.5 mL
- Duration of treatment / exposure:
- 4 hours
- Observation period:
- 3 days
- Number of animals:
- 3 (males)
- Details on study design:
- Nothing to add in this field.
Results and discussion
In vivo
Results
- Irritation parameter:
- overall irritation score
- Basis:
- mean
- Time point:
- other: 1,24,48,72 hours
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- no data
- Remarks on result:
- other: The test material was applied to a prepared site on the dorsal aspect of the animals by a patch held in place by tape
- Irritant / corrosive response data:
- No signs of irritation/corrosive were noted during the study.
- Other effects:
- no data
Any other information on results incl. tables
No signs of irritation/corrosive were noted during the study. The test substance produced a primary irritation index of 0.0 for erythema and oedema.
The test chemical was non-irritating to the skin of rabbits.
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: expert judgment
- Conclusions:
- The test material was non-irritating to the skin of rabbits.
- Executive summary:
According to OECD TG 404, the test chemical was considered as a non-irriating substance via acute dermal irritation/corrosion study in rabbits.
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