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Physical & Chemical properties

Water solubility

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Description of key information

Diarsenic trioxide is very soluble in water. The water solubility of diarsenic trioxide has been determined experimentally (OECD 105, shake flask method, GLP) to be 17.8 g/L at 20°C. This result confirms previously available data from secondary literature.

Key value for chemical safety assessment

Water solubility:
17.8 g/L
at the temperature of:
20 °C

Additional information