Registration Dossier

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
other: Data taken from safety data sheet of manufacturer.
Adequacy of study:
weight of evidence
Study period:
2018
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data taken from safety data sheet of manufacturer.

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Visual inspection by the manufacturer.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
ytterbia stabilised yttrium disilicate
Molecular formula:
Yb2-xYxSi2O7
IUPAC Name:
ytterbia stabilised yttrium disilicate
Test material form:
solid: particulate/powder
Details on test material:
No further information on test item available.

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
solid: particulate/powder
Colour:
white
Odour:
odourless
Substance type:
inorganic

Applicant's summary and conclusion

Conclusions:
According to the safety data sheet of a manufacturer, ytterbium doped yttrium disilicate is a white odourless powder.