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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:
Between 3 October 1996 and 13 November 1996
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
Commission Regulation (EC) No. 440/2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
method to determine freezing temperature
Key result
Melting / freezing pt.:
< 250 K
Atm. press.:
kPa
Decomposition:
no
Sublimation:
no

No evidence of solidification or freezing of the test material was observed down to a temperature of 252 +/- 0.5K

Conclusions:
The freezing temperature has been determined to be less than 252 +/- 0.5 K.
Executive summary:

Method

The melting/freezing temperature was determined using method BS4633: Method for the Determination of Crystallizing Point, Method A1 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).

 

Results

The freezing temperature has been determined to be less than 252 +/- 0.5 K.

 

Description of key information

The freezing temperature has been determined to be less than 252 ± 0.5 K (EU Method A.1).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
252 °C

Additional information

Method

The melting/freezing temperature was determined using method BS4633: Method for the Determination of Crystallizing Point, Method A1 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).

 

Results

The freezing temperature has been determined to be less than 252 +/- 0.5 K.