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Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From May 23rd, 2018 to May 24th, 2018
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
July 1995
according to guideline
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes (incl. QA statement)
Type of method:
method to determine freezing temperature
Key result
Melting / freezing pt.:
< -35.7 °C
Remarks on result:
It is assumed that the test was performed under atmospheric pressure.

It was confirmed that the test item does not achieve the freezing point until -35.7 °C. Further cooling was not performed. The results are shown in Fig 1. The graph was created using Microsoft Excel 2016.

The freezing point of the test item is <-35.7ºC.
Executive summary:

The determination of the freezing point of the test item was carried out in accordance with OECD Guideline No. 102 "Melting Point/Melting Range" in conformity with the EEC method A.1, under GLP conditions.

The test item was deposited in a test tube which was placed in an outer tube and set in a Dewar vessel containing the freezing mixture. The test item was stirred and the temperature recorded during cooling. The freezing point of the test item was determined to be <-35.7ºC. Further cooling was not performed.

Description of key information

Key study. Method according to OECD 102 and EU A.1, GLP study. The test item has a freezing point <-35.7ºC.

Data waving (study scientifically not necessary / other information available): According to Annex VII column 2 of REACH Regulation, the study does not need to be conducted below a lower limit of -20ºC.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-35.7 °C

Additional information