Registration Dossier
Registration Dossier
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EC number: 266-442-3 | CAS number: 66669-53-2
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:
- 2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM E 537
- Deviations:
- no
- Principles of method if other than guideline:
- Differential Scanning Calorimetry
(DSC, 1 K/min) - GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: glass transition observed, with onset at 60 °C
- Conclusions:
- For tetrasodium hydrogen 2-phosphonatobutane-1,2,4-tricarboxylate no melting point could be detected. With an onset at 60 °C a glass transition is detected with an inflection point of 62.5 °C.
- Executive summary:
The melting point of tetrasodium hydrogen 2-phosphonatobutane-1,2,4-tricarboxylate was investigated by Differential Scanning Calorimetry (DSC). For the substance no melting point could be detected.With an onset at 60 °C a glass transition is detected with an inflection point of 62.5 °C.
Reference
No melting point could be detected.With an onset at 60 °C a glass transition is detected with an inflection point of 62.5 °C. Pressure not reported.
Description of key information
For tetrasodium hydrogen 2-phosphonatobutane-1,2,4-tricarboxylate no melting point could be detected.
Key value for chemical safety assessment
Additional information
The melting point of tetrasodium hydrogen 2-phosphonatobutane-1,2,4-tricarboxylate was investigated according to the EU method A.1 by Differential Scanning Calorimetry (DSC). For the substance no melting point could be detected. With an onset at 60 °C a glass transition is detected with an inflection point of 62.5 °C.
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