Registration Dossier
Registration Dossier
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EC number: 271-626-1 | CAS number: 68602-85-7
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:
- 23 February 2017 to 20 March 2017
- 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:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- >= 26 - <= 53 °C
- Remarks on result:
- other: melting / freezing point equates to 299 to 326 K
- Conclusions:
- The melting temperature of the test item was determined to be over the range 26 to 53 °C (299 to 326 K).
- Executive summary:
GUIDELINE
The determination was carried out by differential scanning calorimetry using a procedure designed to be compatible with Method A.1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
RESULTS
The melting temperature of the test item was determined to be over the range 26 to 53 °C (299 to 326 K).
Reference
RESULTS
- Thermograms for determinations 1 and 2 are shown in Figures 1 and 2 (attached).
- Thermographic data are summarised in Table 2 (below).
TABLE 2 – THERMOGRAPHIC DATA
Thermal event |
Interpretation |
Temperature (°C) Determination 1 |
Temperature (°C) Determination 2 |
Endotherm |
Onset of melting |
26.18 |
26.29 |
Endotherm |
Endset of melting |
50.75 |
52.47 |
Atmospheric pressure: not reported
Overall melting range: 26 to 53 °C (299 to 326 K)
Description of key information
The melting temperature of the test item was determined to be over the range 26 to 53 °C (299 to 326 K) using differential scanning calorimetry (OECD 102 and EU Method A.1).
Key value for chemical safety assessment
Additional information
GUIDELINE
The determination was carried out by differential scanning calorimetry using a procedure designed to be compatible with Method A.1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
RESULTS
The melting temperature of the test item was determined to be over the range 26 to 53 °C (299 to 326 K).
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