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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Endpoint:
water solubility
Type of information:
other: Handbook data
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
From a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance"
Qualifier:
no guideline followed
Principles of method if other than guideline:
Not applicable - Handbook data
GLP compliance:
not specified
Type of method:
other: no data
Water solubility:
43 mg/L
Temp.:
18
Remarks on result:
other: no pH stated
Water solubility:
11 mg/L
Temp.:
100
Remarks on result:
other: no pH stated
Details on results:
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". However, no pH value was given in the handbook for the water solubility of calcium sulfite dihydrate.

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". However, no pH value was given in the handbook for the water solubility of calcium sulfite dihydrate.

Conclusions:
According to the reference, calcium sulfite dihydrate has a water solubility of 43 mg/L at 18 °C or a water solubility of 11 mg/L at 100 °C.
Endpoint:
water solubility
Type of information:
other: Handbook data
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
From a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance"
Qualifier:
no guideline followed
Principles of method if other than guideline:
Not applicable - Handbook
GLP compliance:
not specified
Type of method:
other: no data
Water solubility:
70 mg/L
Temp.:
25 °C
Remarks on result:
other: no pH stated
Details on results:
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". However, no pH value was given in the handbook for the water solubility of calcium sulfite dihydrate.

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". However, no pH value was given in the handbook for the water solubility of calcium sulfite dihydrate.

Conclusions:
Interpretation of results: slightly soluble (0.1-100 mg/L)
According to the reference, calcium sulfite dihydrate has a water solubility of 70 mg/L at 25 °C.

Description of key information

According to the reference, calcium sulfite dihydrate has a water solubility of 70 mg/L at 25 °C, 43 mg/L at 18 °C and a water solubility of 11 mg/L at 100 °C.

Key value for chemical safety assessment

Additional information