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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1963
Report date:
1963

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
according to BASF-internal standard, close to Draize test), occlusive, 2 rabbits (+2 for 20h exposure and ear-skin test), intact skin; 1,5 or 15 minutes or 20h exposure
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
(1E,5E,9E)-cyclododeca-1,5,9-triene; (1Z,5Z)-cycloocta-1,5-diene; 4-ethenylcyclohex-1-ene
EC Number:
940-766-1
Molecular formula:
unspecified
IUPAC Name:
(1E,5E,9E)-cyclododeca-1,5,9-triene; (1Z,5Z)-cycloocta-1,5-diene; 4-ethenylcyclohex-1-ene
Details on test material:
- Name of test material (as cited in study report): Cycloocta-1,5-dien (constituent of registered reaction mass)
- Analytical purity: pure (not indicated)

Test animals

Species:
rabbit
Strain:
Vienna White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Weight at study initiation: 2,0kg (male); 2,08 kg (male);
no body weight from additional two animals

ENVIRONMENTAL CONDITIONS
- no data

Test system

Type of coverage:
occlusive
Preparation of test site:
other: intact skin
Vehicle:
unchanged (no vehicle)
Controls:
other:
Amount / concentration applied:
about 1 ml
Duration of treatment / exposure:
1 min, 5 min, 15 min, 20 h
20 hours (20h data selected as worst case instead of non existing 4 h test)
Observation period:
8 days
Number of animals:
2
Details on study design:
Application area: 2.5 x 2.5 cm2

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
24/48 h
Score:
2.5
Max. score:
4
Reversibility:
fully reversible within: 8 days
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48 h
Score:
1
Max. score:
4
Reversibility:
fully reversible within: 8 days
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
24/48 h
Score:
2.5
Max. score:
4
Reversibility:
fully reversible within: 8 days
Irritation parameter:
edema score
Basis:
animal #2
Time point:
24/48 h
Score:
2
Max. score:
4
Reversibility:
fully reversible within: 8 days

Applicant's summary and conclusion

Interpretation of results:
Category 2 (irritant) based on GHS criteria