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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Administrative data

Link to relevant study record(s)

Description of key information

The boiling point of arsenic acid is determined to 160°C which corresponds to liberation of water.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
160 °C

Additional information

Three sources of information have been found and provide boiling point of 120°C and 160°C. One reliable source of information has been identified and provides a boiling point value of 160°C.