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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Additional physico-chemical information

Currently viewing:

Administrative data

Endpoint:
other: Heat of solution
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Strukturen und Eigenschaften der Natriumperoxoborat-Hydrate
Author:
Koberstein E, Bachmann HG, Gebauer H, Köhler G, Lakatos E & Nonnenmacher G
Year:
1979
Bibliographic source:
Z Anorg Allg Chem 374: 125-146

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Perboric acid, sodium salt
EC Number:
234-390-0
EC Name:
Perboric acid, sodium salt
Cas Number:
11138-47-9
Molecular formula:
For detailed information on substance identity, molecular and structural formula see attached file AD_PBS_Substance_Identification (taken from ECB (2007) EU RAR Perboric acid)
IUPAC Name:
sodium hydroxy hydrogen borate
Details on test material:
Sodium perborate tetrahydrate and sodium perborate monohydrate

Results and discussion

Any other information on results incl. tables

Sodium perborate monohydrate:  +  49 +- 2.5 kJ/mol
Sodium perborate tetrahydrate: + 107 +- 1.3 kJ/mol
(both endothermal processes)

Applicant's summary and conclusion