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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:
28 February - 01 March 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method, and under GLP. The test substance is adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
2008
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. QA statement)
Remarks:
Inspected on 4,5 and 6 July 2016/ Signed on 10 January 2017
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
>= -78.3 - <= 15.6 °C
Atm. press.:
>= 946 - <= 953 hPa
Decomposition:
no

First determination: Atmospheric pressure: 953.0 hPa.

Melting range was observed between -78.3 °C (onset temperature of the first peak) and 15.4 °C (top of the second peak).

The crucible was visually checked after the determination: By opening the crucible, no test item left in the crucible.

Second determination: Atmospheric pressure: 946.0 hPa.

Melting range was observed between -78.4 °C (onset temperature of the first peak) and 15.7 °C (top of the second peak).

The crucible was visually checked after the determination: By opening the crucible, no test item left in the crucible.

Conclusions:
The melting range of test item was stated as: -78.3 °C to 15.6°C
Executive summary:

The study was performed in order to determine the melting point of test item according to OECD 102, resp. EU A.1 guideline, using the DSC method.

The melting range of test item was stated as: -78.3 °C to 15.6°C.

Description of key information

The melting range of test item was stated as: -78.3 °C to 15.6°C

Key value for chemical safety assessment

Additional information

A fully reliable experimental study, conducted according to OECD 102/ EU A1 guideline is available.

It is considered as a key study, and the result is retained as key data.