Registration Dossier

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
other: Visual inspection
Adequacy of study:
weight of evidence
Study period:
2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Visual inspection (information provided in safety data sheet of manufacturer)

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2015
Report date:
2015

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
zirconium(IV) oxide, stabilised with erbium(III) oxide, gadolinium(III) oxide and yttrium(III) oxide
EC Number:
946-001-8
Molecular formula:
(Er2O3)w (Gd2O3)x (Y2O3)y (ZrO2)z: w/w% Er2O3 >= 1 <= 8 w/w% Gd2O3 >= 1 <= 8 w/w% Y2O3 >= 1 <= 8 w/w% ZrO2 >= 76 <= 97
IUPAC Name:
zirconium(IV) oxide, stabilised with erbium(III) oxide, gadolinium(III) oxide and yttrium(III) oxide
Test material form:
solid
Remarks:
solid ceramic ingot
Details on test material:
No further information on test material reported.

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Form:
solid
Remarks:
ceramic ingot
Colour:
light pink
Odour:
other: data lacking
Substance type:
inorganic

Applicant's summary and conclusion

Conclusions:
The substance is a light pink solid ceramic ingot as determined by visual inspection and mentioned in the safety data sheet of a manufacturer.