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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:
14th Aug - 8th Oct 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
This study was not conducted in a GLP facility, but was conducted in accordance with international guidelines.
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
-36 °C
Atm. press.:
102.3 kPa

The melting temperature of the substance was determined by DSC. The melting temperature of the test substancewas determined as -36 °C (237 K) at atmospheric pressure (102.3 kPa).

The summary of test results can be found in Tables 1 and 2.

Table 1. Melting point of test substance at 102.3 kPa

SAMPLE NAME

ITEM

TEMPERATURE

°C

K

Aldehyde C11 MOA

Melting Point

-36

237

Note) Temperature in Kelvin (K) = Temperature in°C + 273.15

Table 2. Results of DSC

SAMPLE NAME

RUN

THERMAL EVENT

INTERPRETATION

TEMPERATURE

°C

K

Aldehyde C11 MOA

1

Endotherm

Melting Point

-35.92

237

2

Endotherm

Melting Point

-36.09

237

Note) Accuracy of the two measurements: ± 0.1 °C Temperature in Kelvin (K) = Temperature in °C + 273.15

Conclusions:
The melting temperature of the substance was determined as -36 °C (237 K) at atmospheric pressure (102.3 kPa).
Executive summary:

The melting point was measured by Differential Scanning Calorimeter (DSC) using the procedure specified in Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995 and EU Method A.1.

The melting temperature of the test material was determined as -36 °C (237 K) at atmospheric pressure (102.3 kPa).

Description of key information

Melting Point = -36 °C (237 K) (102.3 kPa); OECD 102; Anon, 2017

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-36 °C

Additional information

In a single key study, the melting point was measured by Differential Scanning Calorimeter (DSC) using the procedure specified in Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995 and EU Method A.1.

The melting temperature of the test material was determined as -36 °C (237 K) at atmospheric pressure (102.3 kPa).

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