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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: basic information given

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1968
Report date:
1968

Materials and methods

Principles of method if other than guideline:
according to BASF-internal standard
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-hydroxybutan-2-one
EC Number:
209-693-6
EC Name:
4-hydroxybutan-2-one
Cas Number:
590-90-9
Molecular formula:
C4H8O2
IUPAC Name:
4-hydroxybutan-2-one
Details on test material:
Name of the test substance used in the study report: 1-Hydroxy-3-oxo-butan (Ketobutanol)
(contains impurities of methylvinylketon)

Test animals

Species:
rabbit
Strain:
Vienna White

Test system

Type of coverage:
occlusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
other: untreated skin of the same animal
Amount / concentration applied:
ca. 1 ml
Duration of treatment / exposure:
1min, 5 min, 15 min, 20 h
Observation period:
8 d
Number of animals:
2
Details on study design:
Application area: 2.5 x 2.5 cm

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 15 min
Score:
3
Max. score:
3
Reversibility:
not reversible
Remarks on result:
other: bleedings
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 15 min
Score:
2
Max. score:
2
Reversibility:
not reversible
Remarks on result:
other: bleedings
Irritant / corrosive response data:
after 8 days: pillowy anemic necrosis

Applicant's summary and conclusion