Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study according to OECD guideline 102 under GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report Date:
1999

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes (incl. certificate)
Type of method:
thermal analysis

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Physical state: solid
- Analytical purity: >99%

Results and discussion

Melting / freezing point
Melting / freezing pt.:
> 201.6 - < 202.6 °C
Decomposition:
no
Remarks on result:
other: test performed under air atmosphere

Any other information on results incl. tables

The determination of the melting point / melting range of the test item was performed according to the EEC Directive 92/69, A.1 "Melting/Freezing temperature", December 1992 and to the OECD Guideline No. 102: " Melting point / melting range", adopted July 27, 1995.

   Heating range (°C)  Heating rate (K/min)  Melting point(°C)  Melting point (K)
 Preliminary test  25 -400  20  208.2)*  481.4)*
 1st main study  180 -250  5  202.6  475.8
 2nd main study  180 -250  5  201.7  474.9
 3rd main study  180 - 250  5  201.6  474.8
    Mean of melting point:   Standard deviation (+/-)  202.0 +/- 0.4  475.2 +/- 0.4

)* not used for calculation

Applicant's summary and conclusion

Conclusions:
The melting point of the test substance was determined using the differential thermal calorimeter to be 202.0°C.
Executive summary:

The melting point of the test substance was determined using the differential thermal calorimeter to be 202.0°C.