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Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2011-10-26
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions.
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
other: Differential Scanning Calorimetry
Key result
Decomposition:
yes
Remarks:
The substance decomposed before melting
Decomp. temp.:
ca. 255 °C
Remarks on result:
other: Decomposition suspected to start at approx. 255ºC

Differential Scanning Calorimetry (DSC, 1 K/min)

The substance decomposes before melting.

Conclusions:
ZMB2 decomposes before melting.

Description of key information

 ZMB2 decomposes before melting. It is expected that decomposition starts at approximately 255 deg C (Bayer Technology, 2011).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
255 °C

Additional information

In a Differential Scanning Calorimetry (DSC, 1 K/min) study according to EU Method A.1 (Melting / Freezing Temperature), ZMB2 decomposes before melting. It is expected that decomposition starts at approximately 255 deg C (Bayer Technology, 2011).