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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 (LLNA)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: literature, too little details on experimental design given

Data source

Reference
Reference Type:
publication
Title:
Fragrance Compound Geraniol Forms Contact Allergens on Air Exposure. Identification and Quantification of Oxidation Products and Effect on Skin Sensitization
Author:
L.Hagvall, C.Backtorp, S.Svensson, G.Nyman, A.Borje and A.-T.Karlberg
Year:
2007
Bibliographic source:
Chem. Res. Toxicol. 2007, 20, 807-814

Materials and methods

Principles of method if other than guideline:
acc. to Kimber et al, 1995
GLP compliance:
not specified
Type of study:
mouse local lymph node assay (LLNA)

Test material

Constituent 1
Chemical structure
Reference substance name:
(E)-3,7-dimethylocta-2,6-dienal
EC Number:
205-476-5
EC Name:
(E)-3,7-dimethylocta-2,6-dienal
Cas Number:
141-27-5
Molecular formula:
C10H16O
IUPAC Name:
3,7-dimethylocta-2,6-dienal
Constituent 2
Reference substance name:
Geranial
IUPAC Name:
Geranial

In vivo test system

Test animals

Species:
mouse

Study design: in vivo (LLNA)

Vehicle:
not specified
Concentration:
1%, 10%, and 30%
No. of animals per dose:
4

Results and discussion

In vivo (LLNA)

Resultsopen allclose all
Parameter:
SI
Remarks on result:
other: 1%: SI = 0.71 10%: SI = 4.3 30%: SI = 11.3 EC3 = 6.8%
Parameter:
other: disintegrations per minute (DPM)
Remarks on result:
other: 1%: 426 dpm/node 10%: 2568 dpm/node 30%: 6831 dpm/node

Applicant's summary and conclusion

Interpretation of results:
sensitising
Remarks:
Migrated information
Conclusions:
According to the authors, Geranial is considered a moderate sensitizer.