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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1979
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable study report

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
yes
Remarks:
less reporting details on test material and housing conditions
Principles of method if other than guideline:
according to Fed. Reg. 187, § 1500.42, 1973 (Draize test)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N''-naphthalene-1,5-diylbis[N'-[3-[(2-ethylhexyl)oxy]propyl]urea]
EC Number:
275-276-0
EC Name:
N,N''-naphthalene-1,5-diylbis[N'-[3-[(2-ethylhexyl)oxy]propyl]urea]
Cas Number:
71216-01-8
Molecular formula:
C34H56N4O4
IUPAC Name:
N',N'''-naphthalene-1,5-diylbis(1-{3-[(2-ethylhexyl)oxy]propyl}urea)

Test animals / tissue source

Species:
rabbit
Strain:
Vienna White
Details on test animals or tissues and environmental conditions:
Mean body weight: 3.0 kg
The animals were offered a standardized animal laboratory diet.

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: untreated eyes
Amount / concentration applied:
32 mg
Duration of treatment / exposure:
24 hours
Observation period (in vivo):
72 hours
Number of animals or in vitro replicates:
6
Details on study design:
The test substance was not washed out.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
other: 24 - 72 h
Score:
0
Max. score:
0
Irritation parameter:
iris score
Basis:
mean
Time point:
other: 24 - 72 h
Score:
0
Max. score:
0
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
other: 24 - 72 h
Score:
0.4
Max. score:
1
Reversibility:
fully reversible
Irritation parameter:
chemosis score
Basis:
mean
Time point:
other: 24 - 72 h
Score:
0
Max. score:
0

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU