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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:
2013
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
GLP compliance:
yes (incl. QA statement)
Remarks:
Date of inspection 2012-07-10; Date of signature 2012-11-30
Type of method:
method to determine freezing temperature
Melting / freezing pt.:
< -20 °C

RESULTS

- Cooling data for determinations 1 and 2 are presented in Tables 3.1 and 3.2 (attached)

- Graphs of temperature (K) versus time (s) for determinations 1 and 2 are shown in Figures 3.1 and 3.2 (attached)

- The test material became slightly viscous during cooling.

Determination

Freezing Point

°C

K

Test 1

< minus 20.0

< 253

Test 2

< minus 20.0

< 253

Mean value

< minus 20.0

< 253

Conclusions:
The freezing temperature of the test material was determined to be < minus 20.0 °C (253 K)

Description of key information

Freezing temperature < minus 20.0 °C (OECD 102)

Key value for chemical safety assessment

Additional information

Freezing temperature equates to < 253 K