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Physical & Chemical properties

Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Qualifier:
no guideline followed
Principles of method if other than guideline:
Isothermal TG studies of the thermal decomposition in nitrogen of barium peroxide to the corresponding oxideswith the evolution of gaseous oxygen.
GLP compliance:
not specified
Type of method:
thermal analysis
Test material information:
Composition 1
Decomposition:
yes
Remarks:
in nitrogen
Decomp. temp.:
>= 490 - <= 610 °C
Conclusions:
Decomposition of Barium peroxide occurs between 490 and 610 °C
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: no guideline available
Principles of method if other than guideline:
- Principle of test:
- Short description of test conditions:
tested by differential thermal analysis coupled with thermogravimetry in argon and oxygen atmospheres.
- Parameters analysed / observed by hight temperature X-ray diffraction
GLP compliance:
not specified
Type of method:
thermal analysis
Test material information:
Composition 1
Decomposition:
yes
Remarks:
Decomposes between 800 and 900K (526 and 626 °C)
Decomp. temp.:
>= 800 - <= 900 K
Conclusions:
The barium peroxide decomposes between 800 and 900 K (526 -626 °C)
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: no guideline available (Handbook data)
Test material information:
Composition 1
Decomposition:
yes
Remarks:
Upon heating to 700 deg C, barium peroxide decomposes to barium oxide and oxygen
Decomp. temp.:
700 °C
Conclusions:
Barium peroxide decomposes to barium oxide and oxygen upon 700°C.
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Composition 0
Qualifier:
according to
Guideline:
other: no guideline available (Handbook Data)
Test material information:
Composition 1
Decomposition:
yes
Decomp. temp.:
450 °C
Conclusions:
The substance decomposes at 450 °C.

Description of key information

The substance barium peroxide decomposes from 450 °C to 800°C.

Key value for chemical safety assessment

Additional information