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Physical & Chemical properties

Water solubility

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Description of key information

Weight of evidence approach:
- Merck (2006): the water solubility is 90 parts in 100 parts water at 0 °C and 400 parts in 100 parts water at 90 °C
- CRC (2008): selenous acid is very soluble
Supportive data:
- GESTIS (2009): the water solubility is 1670 g/L

Key value for chemical safety assessment

Additional information

According to handbook data (Merck index and CRC handbook) selenous acid is very soluble in water. Handbook data considered to be from a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance". The statements in these two handbooks are supported by the entry in the "GESTIS-database on hazardous substances".