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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
read-across based on grouping of substances (category approach)
Adequacy of study:
weight of evidence
Justification for type of information:
See attached report in section 13.

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Tungsten disilicide
EC Number:
234-909-0
EC Name:
Tungsten disilicide
Cas Number:
12039-88-2
Molecular formula:
Si2W
IUPAC Name:
Tungsten disilicide
Test material form:
solid: particulate/powder

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
None of the tungsten substances in the category, tested for skin irritation, showed dermal irritation.