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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 26 July 2021 to 02 May 2022
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Remarks:
No incident, which could have affected the quality or the interpretation of the results obtained, was observed.
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Remarks on result:
not determinable
Remarks:
No melting point was observed down to -100 °C.

Results
1. Introduction
Two assays were performed during the test but no melting point was observed. 



2. Assay No. 1
Gas used Nitrogen
Ventilation No
Crucible used Aluminium, 30 µL, with lid
Mass of test item 5.01 mg
Program Phase 1: Cooling phase from 20 °C to -100 °C at 10 °C/min
Isotherm at about -100 °C for 3 minutes
Phase 2: Heating phase from -100 °C to 20 °C at 10 °C/min


 


No melting point of the test item was observed for this assay down to approximately -95 °C.


 


3. Assay No. 2
Gas used Nitrogen
Ventilation No
Crucible used Aluminium, 30 µL, with lid
Mass of test item 5.11 mg
Program Phase 1: Cooling phase from 20 °C to -100 °C at 10 °C/min
Isotherm at about -100 °C for 3 minutes
Phase 2: Heating phase from -100 °C to 20 °C at 10 °C/min


 


No melting point of the test item was observed for this assay down to -100 °C.

Conclusions:
No melting point was observed down to -100 °C.
Executive summary:

MELTING POINT BY DSC METHOD
In compliance with Regulation (EC) No. 1907/2006, Council Regulation (EC) No. 440/2008
EC A.1. method (2008) and OECD Guideline No. 102 (1995)
No melting point was observed down to -100 °C.

Description of key information

No melting point was observed down to -100 °C.

Key value for chemical safety assessment

Additional information