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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:
key study
Study period:
March 2002 to April 2002
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:
Cited as Directive 92/69/EEC, A.1
GLP compliance:
yes
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
The melting point was determined using DSC by heating from 20°C to 180°C with a ramp of 10°C/min. Two determinations were made and the results were averaged.
Key result
Melting / freezing pt.:
157.1 °C

The melting point was determined using DSC by heating from 20°C to 180°C with a ramp of 10°C/min. Two determinations were made and the results were averaged
Melting Point = 157.1 ± 0.4°C at atmospheric pressure

Conclusions:
The melting point was determined using DSC by heating from 20°C to 180°C with a ramp of 10°C/min. Two determinations were made and the results were averaged.
Melting Point = 157.1 ± 0.4°C at atmospheric pressure.
Executive summary:

The melting point of the substance was determined according to EU Method A.1. The melting point was determined using DSC method by heating from 20°C to 180°C with a ramp of 10°C/min. Two determinations were made and the results were averaged. Under the study conditions, the melting point of the substance was determined to be 157.1 ± 0.4°C at atmospheric pressure (Blake, 2002).

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26 August 1998 to 22 October 1998
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:
Cited as Directive 92/69/EEC, A.1
GLP compliance:
yes
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
156.6 °C
Atm. press.:
1 atm

The melting point was performed at a rate of 5 K/min between 50°C and 200°C and the results from two tests were averaged (156.5 and 156.6°C).

The melting point of BIT was determined to be 156.6 ± 0.1°C.

Conclusions:
The melting point was performed at a rate of 5 K/min between 50°C and 200°C and the results from two tests were averaged (156.5 and 156.6°C).
The melting point of BIT was determined to be 156.6 ± 0.1°C.
Executive summary:

The melting point of BIT was determined to be 156.6 ± 0.1°C.

Description of key information

The melting point was determined according to EU Method A.1 (Blake, 2002).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
157.1 °C

Additional information