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Physical & Chemical properties

Appearance / physical state / colour

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Link to relevant study record(s)

Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
no method description, because data from an authoritative scientifally textbook
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline
Colour:
red
Substance type:
inorganic
Conclusions:
red crystalline solid
Executive summary:

Chromium trioxide is a red crystalline solid at room temperature and 1013 hPa as stated in CRC Handbook of Chemistry and Physics (2010).

Description of key information

Chromium trioxide is a red crystalline solid at room temperature and 1013 hPa as stated in CRC Handbook of Chemistry and Physics (2010).

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid
Form:
solid: crystalline
Colour:
red

Additional information

The substance is also listed in the European Union Risk Assessment Report from 2005, which describes the substance as dark red deliquescent crystals, flakes or powder.