Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
appearance / physical state / colour
Type of information:
other: Information taken from factual databases/handbook and supported by visual observations during practical handling.
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Information taken from factual databases/handbook and supported by visual observations during practical handling.
Qualifier:
no guideline followed
Principles of method if other than guideline:
Not applicable: database and handbook data
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Form:
crystalline
Colour:
white or colourless, transparent, glassy
Odour:
odourless
Substance type:
inorganic
Conclusions:
Diarsenic trioxide is a white to colourless, crystalline powder.

Description of key information

Diarsenic trioxide is a solid, crystalline, white to colourless or transparent/glassy inorganic substance. It is odourless.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information