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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2007
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
reaction mass of (2S,5R)-2-tert-butyl-5-methyl-2-propyl-2,5-dihydrofuran and (2S,5S)-2-tert-butyl-5-methyl-2-propyl-2,5-dihydrofuran
EC Number:
700-103-7
Molecular formula:
C12H22O
IUPAC Name:
reaction mass of (2S,5R)-2-tert-butyl-5-methyl-2-propyl-2,5-dihydrofuran and (2S,5S)-2-tert-butyl-5-methyl-2-propyl-2,5-dihydrofuran

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
other: intact
Vehicle:
unchanged (no vehicle)
Controls:
yes
Duration of treatment / exposure:
4 hours
Observation period:
24, 48 and 72 hours
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
other: 12, 48 and 72 hours
Score:
2
Max. score:
2
Reversibility:
fully reversible
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
other: 12, 48 and 72 hours
Score:
1
Max. score:
1
Reversibility:
fully reversible
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
other: 12, 48 and 72 hours
Score:
1.67
Max. score:
2
Reversibility:
fully reversible
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24, 48 and 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU