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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1982

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2-dimethylbutyric acid
EC Number:
209-865-0
EC Name:
2,2-dimethylbutyric acid
Cas Number:
595-37-9
Molecular formula:
C6H12O2
IUPAC Name:
2,2-dimethylbutanoic acid

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
occlusive
Preparation of test site:
other: intact and abraded
Vehicle:
unchanged (no vehicle)
Amount / concentration applied:
0.5 ml
Duration of treatment / exposure:
24 h
Observation period:
7 days
Number of animals:
3 male, 3 female

Results and discussion

Applicant's summary and conclusion

Interpretation of results:
highly irritating
Remarks:
Migrated information
Conclusions:
A single 24 h application of the test material to occluded rabbit skin ws severely irritating.