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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
Solubility calculation based on density of the aqueous solution.
GLP compliance:
no
Type of method:
other: Solubility calculation based on density of the aqueous solution.
Water solubility:
ca. 42 other: wt%
Temp.:
20 °C
pH:
ca. 4.1

Preparation of the solution without adjustment of pH value.

Conclusions:
Interpretation of results: very soluble (> 10000 mg/L)
Sodium hydrogensulfite is very soluble in water (42 wt% in water).

Description of key information

Sodium hydrogensulfite is very soluble in water (42 wt% in water 20 °C).

Key value for chemical safety assessment

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

Additional information