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Toxicological information

Eye irritation

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Administrative data

Endpoint:
eye 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 company data
Title:
Unnamed
Year:
1965

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
0.5 ml undiluted TS into the conjunctival sac of the eye.
GLP compliance:
no

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

Test animals / tissue source

Species:
rabbit
Strain:
not specified

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not specified
Duration of treatment / exposure:
Unspecified
Observation period (in vivo):
1h, 24h, 8d
Number of animals or in vitro replicates:
No data

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
chemosis score
Time point:
24/48/72 h
Remarks on result:
not measured/tested
Irritation parameter:
conjunctivae score
Time point:
24/48/72 h
Remarks on result:
not measured/tested
Irritation parameter:
iris score
Time point:
72 h
Remarks on result:
not measured/tested
Irritation parameter:
iris score
Time point:
48 h
Remarks on result:
not measured/tested
Irritation parameter:
iris score
Time point:
24 h
Remarks on result:
not measured/tested
Irritation parameter:
cornea opacity score
Time point:
72 h
Remarks on result:
not measured/tested
Irritation parameter:
cornea opacity score
Time point:
48 h
Remarks on result:
not measured/tested
Irritation parameter:
cornea opacity score
Time point:
24 h
Remarks on result:
not measured/tested
Irritation parameter:
maximum mean total score (MMTS)
Basis:
animal:
Time point:
other: 1h
Reversibility:
not specified
Remarks on result:
other: silght redness, strong edema, slight cloudiness
Irritation parameter:
maximum mean total score (MMTS)
Basis:
animal:
Time point:
24 h
Reversibility:
not specified
Remarks on result:
positive indication of irritation
Irritation parameter:
maximum mean total score (MMTS)
Basis:
animal:
Time point:
other: 8d
Reversibility:
not specified
Remarks on result:
other: marked redness

Any other information on results incl. tables

NaCl (control substance) caused no adverse reactions in the eye.

Applicant's summary and conclusion

Interpretation of results:
Category 1 (irreversible effects on the eye) based on GHS criteria
Remarks:
Migrated information Criteria used for interpretation of results: EU