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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:
20 Apr 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
GLP guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Guideline:
other: CTL SOP No. 401
GLP compliance:
yes (incl. QA statement)
Remarks:
Department of Health, London, UK
Type of method:
method to determine freezing temperature
Key result
Melting / freezing pt.:
< -20 °C
Atm. press.:
ca. 1 013 hPa

Full test results

Run number

1

2

Mass of sample used [g]

20.5

N/A

Initial freezing temperature [°C]

< -20

N/A

Final freezing temperature [°C]

< -20

N/A

 

Result: < -20°C

 

Comments

Analysis of the temperature vs time graph showed no plateau indicative of crystallization.

At -20°C the product appeared to be a non-crystalline amorphous glass.

Description of key information

< - 20 °C at 1013.25 hPa (EU Method A.1 (Melting / Freezing Temperature), method to determine freezing temperature)

Key value for chemical safety assessment

Additional information

Analysis of the temperature vs time graph showed no plateau indicative of crystallization.

At -20°C the product appeared to be a non-crystalline amorphous glass.