Registration Dossier
Registration Dossier
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EC number: 500-513-4 | CAS number: 161074-79-9 1 - 2.5 moles ethoxylated
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- migrated information: read-across based on grouping of substances (category approach)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- GLP Guideline study. According to the ECHA guidance document “Practical guide 6: How to report read-across and categories (March 2010)”, the reliability was changed from RL1 to RL2 to reflect the fact that this study was conducted on a read-across substance.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- 174450-50-1
- Cas Number:
- 174450-50-1
- IUPAC Name:
- 174450-50-1
- Details on test material:
- - Name of test material (as cited in study report): C12-C14 fatty alcohol polyethylene glycol (2EO) ether suphate, triisopropanolammonium salt
- Ethoxylation degree: 2
- Physical state: Yellowish liquid
- Analytical purity: 83.8% a.i.
- Lot/batch No.: 0003
- Storage condition of test material: No data
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- other: Small White Russian
- Details on test animals or test system and environmental conditions:
- According to Guideline.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- unchanged (no vehicle)
- Controls:
- not required
- Amount / concentration applied:
- 0.5 mL
- Duration of treatment / exposure:
- 4 h
- Observation period:
- 14 days
- Number of animals:
- 3
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- other: 24+48+72 h
- Score:
- 2.3
- Max. score:
- 4
- Reversibility:
- fully reversible
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- other: 24+48+72 h
- Score:
- 2.8
- Max. score:
- 4
- Reversibility:
- fully reversible
Applicant's summary and conclusion
- Interpretation of results:
- irritating
- Remarks:
- Migrated information R38 Criteria used for interpretation of results: EU
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