Registration Dossier
Registration Dossier
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EC number: 270-241-6 | CAS number: 68413-68-3
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
- 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:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- -7.1 °C
- Remarks on result:
- other: mean melting point
- Conclusions:
- The mean melting point of tetraamminepalladium dihydroxide is -7.1°C.
- Executive summary:
Nau (2017) is a GLP-compliant study following OECD guideline 102 and EU method A1. It is considered suitable for use as the key study for this endpoint. The mean melting point of tetraamminepalladium dihydroxide is -7.1°C.
Reference
Table 1: Melting point (DSC measurements)
Ident No. |
Test item / mg |
Starting temperature / °C |
Final test temperature / °C |
Temperature range (endo-thermal) / °C |
Onset (melting) / °C |
Crucible |
Observations after the measurement |
36278 |
12.79 |
-100 |
25 |
-15 to +5 |
-6.6 |
aluminium, open |
test item seemed unchanged; mass loss: 3 % |
36279 |
22.90 |
-100 |
25 |
-20 to +10 |
-7.5 |
aluminium, open |
test item seemed unchanged; mass loss: 3 % |
Description of key information
The mean melting point of tetraamminepalladium dihydroxide is -7.1°C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -7.1 °C
Additional information
Nau (2017) is a GLP-compliant study following OECD guideline 102 and EU method A1. It is considered suitable for use as the key study for this endpoint. The mean melting point of tetraamminepalladium dihydroxide is -7.1°C.
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