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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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

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:
non-LLNA test is available that was performed prior to the current data requirements, stipulated in Regulation (EC) No 1907/2006. In accordance with the same Regulation, the data were included to avoid unnecessary testing.

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)

Inductionopen allclose all
Route:
epicutaneous, occlusive
Vehicle:
water
Concentration / amount:
Induction: 12.5%
Challenge: 6.25%
Challengeopen allclose all
Route:
epicutaneous, occlusive
Vehicle:
water
Concentration / amount:
Induction: 12.5%
Challenge: 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.
Reading:
2nd reading
Hours after challenge:
48
Group:
negative control
Dose level:
6.25%
No. with + reactions:
0
Total no. in group:
10
Reading:
1st reading
Hours after challenge:
24
Group:
test chemical
Dose level:
6.25%
No. with + reactions:
4
Total no. in group:
20
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.

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