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Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Description of key information

The test substance decomposes without melting at temperatures over 1000ºC. 
From T >450ºC some SO2 can release in the presence of air.
Key study according to A.1 method (1.4.4.1 Differential Thermal Analysis; DTA and 1.4.4.2 Differential Scanning Calorimetry, DSC) as described in Regulation CE 440/2008 (based on OECD guideline 102)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
1 000 °C

Additional information

Key study according to A.1 method (1.4.4.1 Differential Thermal Analysis; DTA and 1.4.4.2 Differential Scanning Calorimetry, DSC) as described in Regulation CE 440/2008 (based on OECD guideline 102).

The test substance decomposes without melting at temperatures over 1000ºC.

From T >450ºC some SO2 can release in the presence of air.