Registration Dossier
Registration Dossier
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EC number: 814-835-0 | CAS number: 1310672-91-3
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:
- 2015-05-05
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM E 537-76
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 69 °C
- Atm. press.:
- 1 atm
- Decomposition:
- yes
- Decomp. temp.:
- >= 76 - <= 154 °C
- Conclusions:
- The melting point of the test item is 69 °C at atmospheric pressure.
- Executive summary:
The melting point of the test item was investigated by DSC measurement according to ASTM E 537-76 and is 69 °C at atmospheric pressure. Directly after the melting point, the substance decomposes between 76 °C and 154 °C, which is indicated by a strong exothermic signal of 795 J/g.
Reference
DSC measurement in an open Al crucible shows a sharp melting signal of -86 J/g with onset at 69 °C, which is followed directly by exothermic decomposition between 76 °C and 154 °C (795 J/g). The maximum heat flow is 4 W/g at 116 °C.
Description of key information
The melting point of the test item was investigated by DSC measurement according to ASTM E 537-76 and is 69 °C at atmospheric pressure.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 69 °C
Additional information
Directly after the melting point, the substance decomposes between 76 °C and 154 °C, which is indicated by a strong exothermic signal of 795 J/g.
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