Registration Dossier
Registration Dossier
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EC number: 500-344-6 | CAS number: 157627-94-6 1 - 2.5 moles ethoxylated
Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
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 406 (Skin Sensitisation)
- Deviations:
- yes
- Remarks:
- No positive control.
- GLP compliance:
- yes
- Type of study:
- Buehler test
- Justification for non-LLNA method:
- Test was done before LLNA as first-choice method for in-vivo testing was set into force.
Test material
- Reference substance name:
- 174450-50-1
- EC Number:
- 605-725-1
- Cas Number:
- 174450-50-1
- IUPAC Name:
- 174450-50-1
Constituent 1
In vivo test system
Test animals
- Species:
- guinea pig
- Strain:
- Dunkin-Hartley
- Sex:
- female
- Details on test animals and environmental conditions:
- According to Guideline.
Study design: in vivo (non-LLNA)
Induction
- Route:
- epicutaneous, occlusive
- Vehicle:
- water
- Concentration / amount:
- 50%
Challenge
- Route:
- epicutaneous, occlusive
- Vehicle:
- water
- Concentration / amount:
- 25%
- No. of animals per dose:
- 20 (test group)
10 (control group)
Results and discussion
In vivo (non-LLNA)
Resultsopen allclose all
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 25%
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 25%
- No. with + reactions:
- 0
- Total no. in group:
- 20
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 25%
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 25%
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Group:
- positive control
- Remarks on result:
- other: no information on positive control group given in study report
Any other information on results incl. tables
No information on positive control group given in study report.
Applicant's summary and conclusion
- Interpretation of results:
- other: CLP/EU GHS criteria not met, no classification required according to Regulation (EC) No 1272/2008.
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