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Physical & Chemical properties

Appearance / physical state / colour

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Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-12-08 until 2018-02-09
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
To assess the appearance, physical state and colour of zirconium oxide, hafnium and ytterbium doped, the guideline study for in vitro skin irritation according to OECD 439 can be used as reliable source of information.
Reason / purpose for cross-reference:
reference to same study
Qualifier:
no guideline required
GLP compliance:
yes (incl. QA statement)
Physical state at 20°C and 1013 hPa:
solid
Form:
solid: particulate/powder
Colour:
white
Odour:
odourless
Substance type:
inorganic
Conclusions:
The substance Ytterbium stabilized Zirconium and Hafnium Oxide is a white powdery inorganic substance having no characteristic odour.
Executive summary:

The substance Ytterbium stabilized Zirconium and Hafnium Oxide is a white powdery inorganic substance having no characteristic odour.

Description of key information

The substance Ytterbium stabilized Zirconium and Hafnium Oxide is a white powdery inorganic substance having no characteristic odour.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information