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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: short report - test was conducted with (Fe, Mn)3O4 (CAS 68186-94-7) as a surrogate for (Fe,Mn)2O3

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 404 (Acute Dermal 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:
500 mg/animal were applied onto the ear, washing of the ear; 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:
manganese ferrite black spinel
Test material form:
solid: particulate/powder

Test animals

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

Test system

Type of coverage:
semiocclusive
Preparation of test site:
not specified
Vehicle:
not specified
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 500 mg/ animal
Duration of treatment / exposure:
24 hour(s)
Observation period:
7 days
Number of animals:
2

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema 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:
48 and 72 h not determined; after 24 h and on days 4, 5, 6, and 7 no effects
Irritation parameter:
edema 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:
48 and 72 h not determined; after 24 h and on days 4, 5, 6, and 7 no effects
Irritation parameter:
erythema 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
Remarks:
Migrated information
Conclusions:
The test item is not irritating to the skin and does not require classification and labelling.
Executive summary:
500 mg/animal were applied onto the ear, washing of the ear; post observation period: 7 days Result: not irritating