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EC number: 209-062-5 | CAS number: 554-13-2
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:
- 2009-07-30 to 2009-09-01
- Reliability:
- 1 (reliable without restriction)
- Reason / purpose for cross-reference:
- reference to other study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 1992
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- other: differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 722 °C
- Atm. press.:
- 1 013.25 hPa
- Conclusions:
- The determination of the melting point was performed according to EU guideline A.1 and OECD 102 by applying the differential scanning calorimetry. The melting point of lithium carbonate was determined to be 722 °C at 1013.25 hPa.
- Executive summary:
The determination of the melting point was performed according to EU guideline A.1 and OECD 102 by applying the differential scanning calorimetry. The heat flow curves showed one sharp endothermic peak with a peak maximum temperature at 735 °C and an extrapolated onset temperature of 722 °C indicating the melting temperature at ambient pressure. Reweighing after the measurement the sample had lost approx. 3-4 % of its mass. The melting point of lithium carbonate was determined to be 722 °C at 1013.25 hPa.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 2007 - 2008
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Handbook data only. No guideline or method indicated.
- GLP compliance:
- not specified
- Type of method:
- other: no data
- Key result
- Melting / freezing pt.:
- 723 °C
- Atm. press.:
- 1 013.25 hPa
- Decomposition:
- yes
- Decomp. temp.:
- 1 300 °C
- Conclusions:
- Melting temperature: 723 °C
Decomposition temperature: 1300 °C - Executive summary:
According to the handbook-data lithium carbonate has a melting point of 723 °C and it decomposes at 1300 °C.
Referenceopen allclose all
Description of key information
The melting point of lithium carbonate was determined to be 722 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 722 °C
Additional information
The determination of the melting point was performed according to EU guideline A.1 and OECD 102 by applying the differential scanning calorimetry. The melting point of lithium carbonate was determined to be 722 °C at 101 325 Pa. Handbook-data reveal identical / similar results.
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