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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016-06-16
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
not performed according to GLP
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Decomposition:
yes
Decomp. temp.:
> 500 °C
Remarks on result:
not determinable
Remarks:
A melting point was not observed, but decomposition of the test substance was observed during a thermogravimetric analysis. The pressure during the test was not reported, however an atmospheric pressure can be assumed.

Residue of thermogravimetric analysis: 23.0%.

Conclusions:
Calcium benzoate starts to decompose at a temperature > 500 °C. As the substance decompose at > 500 °C before melting or boiling, neither a melting nor a boiling point could be determined.

Description of key information

Calcium benzoate starts to decompose at a temperature > 500 °C. As the substance decompose at > 500 °C before melting, no melting point could be determined.

Key value for chemical safety assessment

Additional information