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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:
2015-04-02 - 2015-06-02
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
The Department of Health of the Government of the United kingdom
Type of method:
pour point
Key result
Melting / freezing pt.:
-18 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: ± 3°C

Preliminary Test

The pour point of the preliminary test was -20 ± 3°C (253 ± 3 K).

Main Test

The results of the main test are shown in the following table:

  Determination 1 Determination 2
Stationary point (°C) -21 -21
Pour point (°C) -18 -18

As the test item was a complex mixture, it was considered that the pour point method was the most appropriate test method.

The pour point of the test item has been determined to be -18 ± 3°C (255 ± 3 K).

Conclusions:
The pour point of the test item has been determined to be -18 ± 3°C (255 ± 3 K).
Executive summary:

The melting point of the test item has been determination using the pour point method, designed to be compatible with EU Method A.1 and OECD Guideline 102, under GLP compliance. A preliminary test was performed prior to the main test. the determination of the melting point in the main test was carried out in duplicate. The pour point of the test item has been determined to be -18 ± 3°C (255 ± 3 K).

Description of key information

The melting point of the test item has been determination using the pour point method, designed to be compatible with EU Method A.1 and OECD Guideline 102, under GLP compliance (Fox, 2015). A preliminary test was performed prior to the main test. the determination of the melting point in the main test was carreid out in duplicate. The pour point of the test item has been determined to be -18 ± 3°C (255 ± 3 K).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-18 °C

Additional information