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Physical & Chemical properties

Melting point / freezing point

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Reference
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
Reference:
Composition 1
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
differential scanning calorimetry
Test material information:
Composition 1
Key result
Melting / freezing pt.:
-7.1 °C
Remarks on result:
other: mean melting point

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 %

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.

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.