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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2018

Materials and methods

Principles of method if other than guideline:
pycnometer method
GLP compliance:
not specified
Type of method:
pycnometer method

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
Specific details on test material used for the study:
state: powder

Results and discussion

Density
Type:
relative density
Density:
7 g/cm³
Temp.:
20 °C

Applicant's summary and conclusion

Conclusions:
The density of Tungsten disilicide powder at room temperature is 7 g/cm³.