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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol)
EC Number:
403-800-1
EC Name:
2,2'-methylenebis(6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol)
Cas Number:
103597-45-1
Molecular formula:
C41H50N6O2
IUPAC Name:
2-(2H-1,2,3-benzotriazol-2-yl)-6-{[3-(2H-1,2,3-benzotriazol-2-yl)-2-hydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl]methyl}-4-(2,4,4-trimethylpentan-2-yl)phenol

Test animals / tissue source

Species:
other: rbt, New Zealand White Chbb: NZW
Strain:
not specified

Test system

Vehicle:
not specified
Controls:
not specified
Amount / concentration applied:
60 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
Remarks:
(mean score 1)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: Overall at 24, 48 and 72 h
Score:
1
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0.67
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Max. score:
1
Remarks on result:
other: Max. duration: 7 h; Max. value at end of observation period: (related to all animals)
Irritation parameter:
chemosis score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
chemosis score
Max. score:
1
Remarks on result:
other: Max. duration: 24 h; Max. value at end of observation peroid: (related to all animals)
Irritation parameter:
cornea opacity score
Basis:
animal #1
Remarks:
(mean score 1)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
cornea opacity score
Max. score:
0
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
Remarks:
(mean score 1)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #2
Remarks:
(mean score 2)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #3
Remarks:
(mean score 3)
Time point:
other: Overall at 24, 48 and 72 h
Score:
0
Irritation parameter:
iris score
Max. score:
0
Remarks on result:
other: Max. duration: h; Max. value at end of observation period: (related to all animals)
Irritant / corrosive response data:
Reversibility of any observed effect: Changes fully reversible within 7 days
Other effects:
Effects were observed by the end of the seven day observation period.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information