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Physical & Chemical properties

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:
June 2018
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
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
method to determine freezing temperature
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Appearance: Liquid
- Source and lot/batch: D653 22_02_2018
- Purity: 99.9%
- Expiration date of the lot/batch: February 2023
- Purity test date: 2018/02/27
Key result
Melting / freezing pt.:
< -20 °C
Atm. press.:
1 013 hPa
Decomposition:
no

During the preliminary run, the sample was placed in a test vessel and held at -25°C.

No phase change was observed. Therefore the result was reported as < - 20°C

Conclusions:
During the preliminary run, the sample was placed in a test vessel and held at -25°C. No phase change was observed. Therefore the result was reported as < - 20°C
Executive summary:

This test was performed to determine the temperature or temperature range of the phase transition from the test item.

It was conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.1 and OECD Test Guideline 102.

During the preliminary run, the sample was placed in a test vessel and held at -25°C. No phase change was observed. Therefore the result was reported as < - 20°C

Description of key information

The melting point of the test item was determined in a GLP-compliant study performed in accordance with EC A.1 method and OECD Guideline No. 102. The melting point of the test item was determined to be < -20°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-20 °C

Additional information

The melting point of the test item was determined in one GLP-compliant study performed in accordance with standard methods, without deviations. The study is considered as reliable (Klimisch 1) and is selected as a key study for the endpoint.