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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Not specified
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP (taken from SNIF file). Registrant referring to studies >12 years old at the permission of ECHA.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
4,6-bis(octylthiomethyl)-o-cresol
EC Number:
402-860-6
EC Name:
4,6-bis(octylthiomethyl)-o-cresol
Cas Number:
110553-27-0
Molecular formula:
C25H44OS2
IUPAC Name:
4,6-bis(octylthiomethyl)-o-cresol

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not specified
Amount / concentration applied:
1 ml
Duration of treatment / exposure:
Single application only.
Observation period (in vivo):
7 days
Number of animals or in vitro replicates:
3
Details on study design:
No information available.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
chemosis score
Basis:
animal #2
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
chemosis score
Basis:
animal #3
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
cornea opacity score
Basis:
animal #1
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
cornea opacity score
Basis:
animal #2
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
cornea opacity score
Basis:
animal #3
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
iris score
Basis:
animal #1
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
iris score
Basis:
animal #2
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritation parameter:
iris score
Basis:
animal #3
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
0
Reversibility:
fully reversible
Remarks on result:
other: mean score only presented.
Irritant / corrosive response data:
The eye reactions observed were reversible until the end of the observation period on day 7
Other effects:
None

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
No effects were noted within the study. The substance is not considered to be an eye irritant.
Executive summary:

No effects were noted within the study. The substance is not considered to be an eye irritant.