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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
July-August 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes (incl. certificate)
Type of method:
method to determine freezing temperature
Key result
Melting / freezing pt.:
-20 °C
Remarks on result:
other: lower than -20°C
Conclusions:
The freezing point is < - 20 °C (< 253.15 K).
Executive summary:

In a pre-test, the test item was still unfrozen and liquidlyat – 20 °C. At -80 °C the test item was frozen.

According toREGULATION (EC) No 1907/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL, Annex VII, dated 18. December 2006 (and further amendments)by Commission Regulationthe determination of the melting / freezing point does not need to be conducted below a lower limit of - 20 °C.

Therefore, no additional test was conducted and the freezing point is stated as: < - 20 °C (< 253.15 K).

 

Description of key information

The melting point of the test item was determined according to OECD 102 resp. EU A.1

In a pre-test, the test item was still unfrozen and liquidly at – 20 °C. At -80 °C the test item was frozen.

According to REGULATION (EC) No 1907/2006 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL, Annex VII, dated 18. December 2006 (and further amendments) by Commission Regulation the determination of the melting / freezing point does not need to be conducted below a lower limit of - 20 °C.

Therefore, no additional test was conducted and the freezing point is stated as: < - 20 °C (< 253.15 K).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-20 °C

Additional information