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EC number: 946-272-2 | 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:
- 2015
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- other: ISO 11357-3:2011
- Version / remarks:
- DSC Method : Plastics-differential scanning calorimetry (DSC). Part 3 :Determination of temperature enthalphy of melting and crystallization
Standard : ISO 11357-3 :2011 - Deviations:
- not specified
- Principles of method if other than guideline:
- DSC: Plastics-differential scanning calorimetry (DSC).
Equipment: Differential scanning calorimeter, TA Instruments DSC Q20, no EQ661
Temperature program: 20-320°C at 20°C/min.
Sample holders: Crucible of aluminium
Sample size: 5.9 mg.
Atmosphere: Nitrogen
Ambient temperature: 23ºC
Relative humidity: 50% - GLP compliance:
- no
- Other quality assurance:
- other: not specified
- Type of method:
- thermal analysis
- Key result
- Melting / freezing pt.:
- >= 240.21 °C
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: Glass transition temperature is 61.85 °C
- Conclusions:
- Melting point of copper glucoheptonate is 240.21 °C and a glas transition temperature is 61.85 °C.
- Executive summary:
Melting point of copper glucoheptonate was analysed by plastics-differential scanning calorimetry (DSC) (Part 3 :Determination of temperature enthalphy of melting and crystallization according to standard method: ISO 11357-3 : 2011). A decomposition before melting has not been observed.
In conclusion, according to DSC method melting point is 240.21 °C and a glas transition temperature is 61.85 °C.
Reference
Description of key information
Melting point of copper glucoheptonate was analysed by plastics-differential scanning calorimetry (DSC) (Part 3 :Determination of temperature enthalphy of melting and crystallization according to standard method: ISO 11357-3 : 2011). A decomposition before melting has not been observed.
In conclusion, according to DSC method melting point is 240.21 °C and a glas transition temperature is 61.85 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 240.2 °C
Additional information
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