Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1977
Report date:
1977

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
yes
Remarks:
Due to the age of the study, deficiencies in study conduct and reporting.
Principles of method if other than guideline:
application into conjunctival sac, post observation period: 7 days
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Manganese ferrite black spinel
EC Number:
269-056-3
EC Name:
Manganese ferrite black spinel
Cas Number:
68186-94-7
Molecular formula:
(Fe,Mn)3O4
IUPAC Name:
diiron(3+) dimanganese(3+) manganese(2+) λ²-iron(2+) octaoxidandiide
Test material form:
solid: particulate/powder

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Weight at study initiation: 3- 4 kg
- Housing: individual
- male and female

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 50 mg/ animal
Observation period (in vivo):
7 days
Number of animals or in vitro replicates:
2

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
iris score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
2
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
conjunctivae score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
3
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
cornea opacity score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
iris score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
2
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
conjunctivae score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
3
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects
Irritation parameter:
chemosis score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: no effects
Remarks on result:
no indication of irritation
Remarks:
72 h not determined; after 24 h and 48 h and on days 5, 6, and 7 no effects

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test item is not irritating to eye and does not require classification and labelling.
Executive summary:

Application of test substance into conjunctival sac, post observation period: 7 days

Result: not irritating