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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline compliant but not GLP compliant study but nevertheless well documented and scientifically acceptable.

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Version / remarks:
12 May 1981
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-divinylimidazolidin-2-one
EC Number:
237-457-2
EC Name:
1,3-divinylimidazolidin-2-one
Cas Number:
13811-50-2
Molecular formula:
C7H10N2O
IUPAC Name:
1,3-diethenylimidazolidin-2-one
Details on test material:
Name of the test substance used in the study report: Divinylethylenharnstoff

Test animals / tissue source

Species:
rabbit
Strain:
Vienna White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Gaukler, D-6050 Offenbach/ Main, Germany
- Weight at study initiation: males 3.21 kg, female 3.12 kg
- Housing: One animal per cage (type: stainless steel with wire mesh walk floors, floor area 40 x 51 cm); they were identified via ear tattoo.
- Diet: standardized animal laboratory diet (about 130 g/animal/day)
- Water: tap water (about 250 ml/animal/day)
- Acclimation period: at least 8 days before study start

ENVIRONMENTAL CONDITIONS
- Temperature: 20 - 24°C
- Humidity: 30 - 70%
- Air changes: fully air-conditioned rooms
- Photoperiod: 12 h light and 12 h dark

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: untreated eye of the same animal
Amount / concentration applied:
0.1 ml bulk volume (about 54 mg of the comminuted test substance)
Duration of treatment / exposure:
24 h
Observation period (in vivo):
8 d
Number of animals or in vitro replicates:
3
Details on study design:
Single application to the conjunctival sac of the right eyelid; the test substance was not washed out.
Readings: 1 h, 24 h, 48 h, 72 h, 8 d

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Remarks:
opacity
Basis:
animal #1
Remarks:
female
Time point:
other: 24/48/72 hours
Score:
0
Max. score:
4
Irritation parameter:
cornea opacity score
Remarks:
opacity
Basis:
animal #2
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
1
Max. score:
4
Reversibility:
fully reversible within: 8 days
Irritation parameter:
cornea opacity score
Remarks:
opacity
Basis:
animal #3
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
1
Max. score:
4
Reversibility:
fully reversible within: 8 days
Irritation parameter:
iris score
Basis:
animal #1
Remarks:
female
Time point:
other: 24/48/72 hours
Score:
0
Max. score:
2
Irritation parameter:
iris score
Basis:
animal #2
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
0
Max. score:
2
Irritation parameter:
iris score
Basis:
animal #3
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
animal #1
Remarks:
female
Time point:
other: 24/48/72 hours
Score:
1
Max. score:
3
Reversibility:
fully reversible within: 8 days
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
animal #2
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
1
Max. score:
3
Reversibility:
fully reversible within: 8 days
Irritation parameter:
conjunctivae score
Remarks:
redness
Basis:
animal #3
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
1.67
Max. score:
3
Reversibility:
fully reversible within: 8 days
Irritation parameter:
chemosis score
Basis:
animal #1
Remarks:
female
Time point:
other: 24/48/72 hours
Score:
0.33
Max. score:
4
Reversibility:
fully reversible within: 8 days
Irritation parameter:
chemosis score
Basis:
animal #2
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
0
Max. score:
4
Irritation parameter:
chemosis score
Basis:
animal #3
Remarks:
male
Time point:
other: 24/48/72 hours
Score:
0.33
Max. score:
4
Reversibility:
fully reversible within: 8 days

Applicant's summary and conclusion

Interpretation of results:
irritating
Remarks:
Migrated information