Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04 june 2003 - 04 July 2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted in 2003 according to ASTM E537-86, Method A1 of the Commission Directive 92/69/EEC and in accordance with GLP. Study material is well characterized.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report Date:
2003

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
Commission Directive 92/69/EEC, A1 (differential scanning calorimetry method).
Deviations:
no
GLP compliance:
yes
Type of method:
thermal analysis
Remarks:
Differential Scanning Calorimetry

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Melting / freezing point
Melting / freezing pt.:
>= 407 - <= 424 K
Atm. press.:
ca. 101.3 kPa
Remarks on result:
other: Measured at atmospheric pressure

Any other information on results incl. tables

Determination #1

 Thermal event Interpretation Temperature
oC  K
Endotherm  Lossof volatiles/water   105.1 378 
Double endotherm   Melting range 134.1 - 151.2  407 - 424 

Determination #2

 Thermal event Interpretation Temperature
oC  K
Endotherm  Lossof volatiles/water   105.9 379 
Double endotherm   Melting range 133.7 - 151.0  407 - 424 

Applicant's summary and conclusion

Conclusions:
The melting/freezing temperature of the test material has been determined to be 407 to 424 +/- 0.5 K
Executive summary:

The melting/freezing temperature of the test material has been determined by DSC to be 407 to 424 +/- 0.5 K