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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1991-03-05 to 1991-03-12
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study; well-performed and well-documented

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1993
Report date:
1993

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
6-[3-(C12-C18)-alkenyl(branched, unsaturated)-2,5-dioxopyrrolidin-1-yl]hexanoic acid
EC Number:
701-162-1
Molecular formula:
C22H37NO4 - C28H49NO4
IUPAC Name:
6-[3-(C12-C18)-alkenyl(branched, unsaturated)-2,5-dioxopyrrolidin-1-yl]hexanoic acid

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
clipped
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
0.5 ml
Duration of treatment / exposure:
4 hours
Observation period:
7 days
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24, 48, and 72 hours
Score:
1.1
Max. score:
2
Reversibility:
fully reversible within: 7 days
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24, 48 and 72 hours
Score:
0
Max. score:
0

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The skin irritation potential ot the registration substance was investigated according to the OECD Guideline 404. The registration substance is not skin irritating.
Executive summary:

The skin irritation potential ot the registration substance was investigated according to the OECD Guideline 404. Erythema of up to scoring of 2 was found within three days after treatment, which was reversible within 7 days.