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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
The information of this endpoint has been provided by ECHA as a result of an inquiry, thus the full access to data in the report is not accessible to the registrant. However the reliability is estimated to be at level 1: Study conducted in accordance with generally accepted scientific principles. Possible deficiencies do not affect the quality of relevant results.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
413-110-2
EC Name:
-
Cas Number:
135861-56-2
Molecular formula:
C24H30O6
IUPAC Name:
(1R)-1-[(4R,4aR,8aS)-2,6-bis(3,4-dimethylphenyl)tetrahydro[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
not specified
Controls:
not specified
Amount / concentration applied:
41 mg
Duration of treatment / exposure:
no data
Observation period (in vivo):
No data
Number of animals or in vitro replicates:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
animal #1
Time point:
other: overall at 24, 48 and 72 h
Score:
0.7
Reversibility:
fully reversible within: 3 days
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
animal #2
Time point:
other: overall at 24, 48 and 72 h
Score:
0.3
Reversibility:
fully reversible within: 3 days
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
animal #3
Time point:
other: overall at 24, 48 and 72 h
Score:
0.3
Reversibility:
fully reversible within: 3 days
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
mean
Max. score:
1
Reversibility:
fully reversible within: 3 days
Remarks on result:
other: max. duration: 48 h; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
other: overall at 24, 48 and 72 h
Score:
0.3
Reversibility:
fully reversible within: 3 days
Irritation parameter:
chemosis score
Basis:
animal #2
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
chemosis score
Basis:
animal #3
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
chemosis score
Basis:
mean
Max. score:
1
Reversibility:
fully reversible within: 3 days
Remarks on result:
other: max. duration: 24 h; Max. value at end of observation period: 0 (related to all animals)
Irritation parameter:
cornea opacity score
Basis:
animal #1
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
cornea opacity score
Basis:
animal #2
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
cornea opacity score
Basis:
animal #3
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
cornea opacity score
Basis:
mean
Max. score:
0
Reversibility:
fully reversible within: 3 days
Remarks on result:
other: max. duration: h; Max. value at end of observation period: (related to all animals)
Irritation parameter:
iris score
Basis:
animal #1
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
iris score
Basis:
animal #2
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible within: 3 days
Irritation parameter:
iris score
Basis:
animal #3
Time point:
other: overall at 24, 48 and 72 h
Score:
0
Reversibility:
fully reversible
Remarks:
3 days
Irritation parameter:
iris score
Basis:
mean
Max. score:
0
Reversibility:
fully reversible within: 3 days
Remarks on result:
other: max. duration: h; Max. value at end of observation period:(related to all animals)
Other effects:
Conjunctival redness and chemosis were observed at 1 hour reading (mx grade 2)

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: not specified