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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2004-10-01 to 2004-11-03
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
adopted 1995-07-27
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
cited as 92/69/EWG, adopted 1992-07-31
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary method
Key result
Melting / freezing pt.:
>= -40.25 - <= -39.45 °C
Atm. press.:
1 013 hPa
Decomposition:
no
Sublimation:
no
Conclusions:
The Melting range of the test item was determined to be -40.25 to -39.45 °C at 1012 hPa.
Executive summary:

A study was conducted according to OECD TG 102 and Directive 92/69/EWG. The melting point was determined using the aluminium block method. The determination was performed in duplicate. In both determination a melting range was found. The melting range was determined as -40.25 to -39.45 °C at 1013 hPa. These values are the means of two independent determinations.

Description of key information

The melting range was determined to be -40.25 to -39.45 °C at 1013 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-40.25 °C

Additional information

A study was conducted according to OECD TG 102 and Directive 92/69/EWG. The melting point was determined using the aluminium block method. The determination was performed in duplicate. The melting range was determined to be -40.25 to -39.45 °C at 1013 hPa. These value were the mean of two independent determinations.