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EC number: 941-167-8 | CAS number: 1584709-99-8
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:
- 17-19 March 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to OECD/EU guideline, and under GLP. No deviation was reported. Test substance is adequately specified with purity. Therefore full validation applies.
- 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
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 1
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected on January 22 and 23, 2013 / signed on March 22, 2013
- Type of method:
- thermal analysis
- Remarks:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- < -80 °C
- Conclusions:
- No further testing required (freezing < -20°C).
- Executive summary:
The freezing/melting point of the test substance was determined under GLP according to OECD 102/EU A1 guideline, by Differential Scanning Calorimetry (DSC) method. The liquid was first cooled down to -80°C, and no endothermic effect was observed.
The test substance has no freezing/melting point down to a temperature of -80°C at atmospheric pressure.
Reference
The thermograms of the DSC runs are provided in the experimental report.
At ambient conditions, the test item is a liquid. Since no endothermic effects were observed down to a temperature of -80°C, the test item has no freezing/melting point within the investigated temperature range.
Description of key information
No freezing point down to -80 °C.
No further testing required (< -20°C).
Key value for chemical safety assessment
Additional information
A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. As no freezing was observed down to -80°C, the result is expressed as a limit value, and cannot be retained as key data.
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