Registration Dossier
Registration Dossier
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EC number: 279-967-8 | CAS number: 82461-14-1
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 16 May 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)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
- Key result
- Melting / freezing pt.:
- < -50 °C
- Atm. press.:
- 101 325 Pa
- Conclusions:
- No further testing required (< -20°C).
- Executive summary:
The freezing point of the test item was determined according to the OECD guideline No. 102 (freezing temperature method), under GLP.
In the preliminary test, using a cooling bath down to - 50.0°C (223.15 K), no solidification occured.
Therefore, the main test was not conducted.No freezing was observed down to a temperature of - 50.0°C . Therefore: Freezing point of test item is stated as below - 50.0 °C.
Reference
Calibration of the thermometer
The thermometer was checked against a certified thermometer on November 09, 2012. A correction did not need to be applied.
Preliminary test
The preliminary test was performed as described. No congealing was observed down to a temperature of — 50.0 “C.
Main test
As no congealing was observed in the preliminary test, no further tests were undertaken.
Description of key information
Experimental freezing point < -50°C. (OECD 102, GLP)
No further testing is required.
Key value for chemical safety assessment
Additional information
A fully reliable experimental study, conducted according to a recognized OECD method and under GLP, is available.
It is considered as a key study; the result being expressed as a limit value, it is not retained as key data for CSA.
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