Registration Dossier
Registration Dossier
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EC number: 268-069-1 | CAS number: 68002-54-0
Melting point / freezing point
Administrative data
Link to relevant study record(s)
Description of key information
Under the conditions of this study, the pour point of the test material was determined to be 62 ± 3 °C (335 ± 3 K).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 62 °C
Additional information
The key study was conducted in line with GLP and the standardised guidelines OECD 102 and EU Method A.1. It was assigned a reliability score of 1 in accordance with the criteria detailed by Klimisch (1997).
As the test material is an immobile ‘gel-like’ substance at ambient temperature, it was determined that the pour point method was the most appropriate.
Due to the nature of the test material, a modified method had to be employed. A sample of the test material was heated from ambient to 47 °C in a water bath set at 48 °C. When the sample reached 47 °C, the water bath was set to 60 °C; when it had reached 59 °C, the water bath was then set to 80 °C. Starting at 23 °C, and at increasing intervals of 3 °C, the sample was tilted to a horizontal position for a period of 5 seconds and the sample observed for signs of flow.
Under the conditions of this study, the pour point of the test material was determined to be 62 ± 3 °C (335 ± 3 K).
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