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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

water solubility
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The water solubility given in the handbook is considered as reliable with restrictions as it was rated as a critical study in the available SIDS dossier ofr sodium percarbonate (OECD 2006).

Data source

Reference Type:
review article or handbook
Hydrogen peroxide and inorganic peroxy compounds
Bertsch-Frank B, Dorfer A, Goor G, Süss HU
Bibliographic source:
Industrial Inorganic Chemicals: Production and Use (Thompson R, ed). Royal Society of Chemistry, Cambridge 1975.

Materials and methods

Principles of method if other than guideline:
The experimental methods used to dertermine the water solubility of the substance were not described.
GLP compliance:
Type of method:
other: not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium carbonate, compound with hydrogen peroxide (2:3)
EC Number:
EC Name:
Disodium carbonate, compound with hydrogen peroxide (2:3)
Cas Number:
Molecular formula:
tetrasodium hydrogen peroxide dicarbonate
Details on test material:
no data

Results and discussion

Water solubility
Water solubility:
140 g/L
20 °C
10.4 - 10.6

Applicant's summary and conclusion

Interpretation of results (migrated information): decomposes
The solubility of sodium percarbonate in water is high, but the substance rapidly dissociates in water.
Executive summary:

Handbook data on the water solubility of sodium percarbonate is available and is regarded as reliable and critical information (OECD 2006). The water solubility of the substance at 20 °C and pH 10.4 to 10.6 is approximately 140 g/L. However, sodium percarbonate rapidly dissociates in water and forms hydrogen peroxide and sodium carbonate.