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EC number: 946-126-8 | CAS number: -
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:
- 2013
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Remarks:
- DSC
- Atm. press.:
- ca. 1 atm
- Decomposition:
- yes
- Decomp. temp.:
- ca. 267 °C
- Remarks on result:
- other: a second exotemric peak is observed at the onset T = 307.6°C
- Conclusions:
- The decomposition of the substance was observed with onset temperature equal to 267.2°C.
A second exotermic events occurs at an onset temperature equal to 307.6°C. - Executive summary:
The substance melting point was tested by thermoanalysis (DSC) according to OECD 102.
Between 25 -190°C water evaporation occurs, followed by substance decomposition between 239 -304°C. The decomposition onset is 267.2°C with an enthalpy energy equal to 299.9 J/g.
A second exotermic event occurs between 304 -370°C with an onset T at 307.6°C and enthalpy energy equal to 81.1 J/g.
Reference
Between 25 -190°C water evaporation occurs, followed by substance decomposition between 239 -304°C. The decomposition onset is 267.2°C with an enthalpy energy equal to 299.9 J/g.
A second exotermic event occurs between 304 -370°C with an onset T at 307.6°C and enthalpy energy equal to 81.1 J/g.
Description of key information
T decomposition= 267.2°C
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 267.2 °C
Additional information
The melting point of the substance was tested by thermoanalysis (DSC) according to OECD 102 (REACH&Colours Kft, 2013). The decomposition onset was found to be 267.2°C with an enthalpy energy equal to 299.9 J/g.
A second exotermic event occurs between 304 -370°C with an onset T at 307.6°C and enthalpy energy equal to 81.1 J/g.
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