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EC number: 613-855-5 | CAS number: 65928-65-6
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:
- 2016
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guidelines for Testing of Chemicals, Section 1 "Physical-Chemical Properties No: 113" Screening Test for Thermal Stability and Stability in Air
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- not applicable
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Remarks:
- Differential Thermal Analysis (DTA)
- Melting / freezing pt.:
- 65 - 200 °C
- Decomposition:
- yes
- Decomp. temp.:
- 375 - 450 °C
- Remarks on result:
- other: No pressure reported
- Conclusions:
- A melting range between approx. 65 °C and 200 °C could be observed. No pressure is reported.
- Executive summary:
A differential thermoanalysis method (DTA) was used to determine the melting point which conforms to the procedure Test method A.1, "Determination of the melting point", described in the EC-Guideline.A melting range of the test item between approx. 65 and 200 °C could be observed. After the boiling process a decomposition of the substance seems to take place. This is supported by the light yellowish colour of the residue in the crucible. Between 375 °C and 450 °C another endothermic effect could be observed.
Reference
Between approx. 245 °C and 370 °C an endothermic effect was visible. This appears to be the boiling range of the test item. Additionally a decomposition of the test item seems to take place. This assumption is supported by the light yellowish colour of the residue in the crucible.
Between 375 °C and 450 °C another endothermic effect could be observed. Within this phase the decomposition of the test item seems to proceed, based on the dark-orange colour of the residue in the crucible.
Description of key information
The melting point of the substance is in the range between 65 and 200 °C and no pressure was reported.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 127.5 °C
Additional information
"Should be considered as mean value"
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