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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Study period:
December 2015 - February 2016
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report date:
2016

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Molybdic acid
EC Number:
231-970-5
EC Name:
Molybdic acid
Cas Number:
7782-91-4
Molecular formula:
H2MoO4
IUPAC Name:
Molybdic acid
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
Identification: Molybdic acid

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
other: shorn
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
0.5 g
Duration of treatment / exposure:
4-hours
Observation period:
1 hour and then 24, 48 and 72 hours after removal of the patch
Number of animals:
3 animals

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:
0
Reversibility:
other: not applicable
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
0
Reversibility:
other: not applicable
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
0
Reversibility:
other: not applicable
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
0
Reversibility:
other: not applicable
Irritation parameter:
edema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
0
Reversibility:
other: not applicable
Irritation parameter:
edema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
0
Reversibility:
other: not applicable
Irritant / corrosive response data:
No cutaneous reactions (erythema and oedema) were observed whatever the examination tone (1, 24, 48 and 72 hours).

Applicant's summary and conclusion

Interpretation of results:
not irritating
Conclusions:
The test item does not have to be classified.