Registration Dossier
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EC number: - | 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:
- 2022
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- capillary method
- Remarks:
- The melting range was determined according to “Capillary tube in a liquid bath” in OECD 102 - “Melting Point / Melting Range”.
- Key result
- Melting / freezing pt.:
- >= 65.8 - <= 69.9 °C
- Atm. press.:
- 1 013 Pa
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- not determinable because of methodological limitations
- Conclusions:
- Based on the test results, the melting range could be confirmed: 65.8℃~69.9℃.
Reference
The test phenomena and results
The sample was a fine powdery solid, so it did not need to be ground into powder.
The approximate melting point of the sample was determined to be about 66℃~71℃， so
the start temperature was set to 48℃.
Results of the melting range are shown in Table 5.
Table 5 Results of the melting range
1 2 Mean
beginning
temperatures [
oC]
66.1 65.4 65.8
final
temperatures [
oC]
70.5 69.3 69.9
Description of key information
Based on the test results, the melting range could be confirmed: 65.8℃~69.9℃.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 65.8 °C
Additional information
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