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Diss Factsheets

Toxicological information

Skin sensitisation

Currently viewing:

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
Justification for type of information:
Refer to the Analogue Approach Justification document provided in IUCLID6 Section 13.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996
Report date:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 406 (Skin Sensitisation)
Deviations:
no
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

Constituent 1
Chemical structure
Reference substance name:
Sulfuric acid, mono-C12-18-alkyl esters, sodium salts
EC Number:
273-257-1
EC Name:
Sulfuric acid, mono-C12-18-alkyl esters, sodium salts
Cas Number:
68955-19-1
IUPAC Name:
sodium pentadecyl sulfate

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:
Induction: 12.5%
Challenge
Route:
epicutaneous, occlusive
Vehicle:
water
Concentration / amount:
6.25%
No. of animals per dose:
Test group: 20
Control group: 10

Results and discussion

In vivo (non-LLNA)

Resultsopen allclose all
Reading:
1st reading
Hours after challenge:
24
Group:
negative control
Dose level:
6.25%
No. with + reactions:
2
Total no. in group:
10
Clinical observations:
One animal showed as well a reaction when challenged with sterile water.
Remarks on result:
no indication of skin sensitisation
Reading:
2nd reading
Hours after challenge:
48
Group:
negative control
Dose level:
6.25%
No. with + reactions:
0
Total no. in group:
10
Remarks on result:
no indication of skin sensitisation
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
6.25%
No. with + reactions:
4
Total no. in group:
20
Remarks on result:
no indication of skin sensitisation
Reading:
2nd reading
Hours after challenge:
48
Group:
test chemical
Dose level:
6.25%
No. with + reactions:
2
Total no. in group:
19
Clinical observations:
One animal died accidentially on Day 29.
Remarks on result:
no indication of skin sensitisation

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met