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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: other type of company data
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
2 rabbits (male and female), 500 μ/l one ear of the rabbit fixed with a plaster, the other ear served as control, rising post exposure, reading 24h, 48h, and d2, 4, 5, 6, 7, post exposure observation time:7d
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Dicyclohexylamine
EC Number:
202-980-7
EC Name:
Dicyclohexylamine
Cas Number:
101-83-7
Molecular formula:
C12H23N
IUPAC Name:
N-cyclohexylcyclohexanamine
Details on test material:
DCHA undiluted, purity >99 % w/w

Test animals

Species:
rabbit
Strain:
not specified

Test system

Type of coverage:
semiocclusive
Preparation of test site:
not specified
Vehicle:
not specified
Controls:
not specified
Duration of treatment / exposure:
24h
Observation period:
24,48h
2, 4, 5, 6, 7d
Number of animals:
2

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
edema score
Time point:
24/48/72 h
Remarks on result:
not measured/tested
Irritation parameter:
erythema score
Basis:
animal: 2/2
Time point:
72 h
Reversibility:
not specified
Remarks on result:
not measured/tested
Irritation parameter:
erythema score
Basis:
animal: 2/2
Time point:
48 h
Score:
4
Max. score:
4
Reversibility:
not specified
Remarks on result:
positive indication of irritation
Irritation parameter:
erythema score
Basis:
animal: 2/2
Time point:
24 h
Score:
4
Max. score:
4
Reversibility:
not specified
Remarks on result:
positive indication of irritation

Applicant's summary and conclusion

Interpretation of results:
Category 1B (corrosive) based on GHS criteria
Remarks:
Migrated information Criteria used for interpretation of results: EU