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Physical & Chemical properties

Water solubility

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Description of key information

Ammonium sulfite is highly soluble in water. 

Key value for chemical safety assessment

Water solubility:
642 g/L
at the temperature of:
25 °C

Additional information

For the evaluation of this endpoint data from the CRC handbook was used as key information. An older version of the CRC handbook was used as supportive information. According to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance", handbook data are considered to be from a trusted source. These handbooks including the CRC handbook.

According to the key information, ammonium sulfite is highly soluble in water (determined at 25°C; no pH was given).