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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
Study period:
2018-01-25 - 2018-03-02
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
27-07-1995
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Remarks on result:
not determinable

The sample does not exhibit a freezing point or melting point. A Tg was evident, indicating the sample is amorphous and not crystalline. Figures 1 and 2 show DSC plots for the measurements summarized in Table 1.

Table 1. Summary of DSC Melting Point Results for Phosphorodithioic acid, mixed O,O-bis(isobutyl and isopropyl and pentyl) esters, zinc salts

 Replicate #  Onset of Melt, K  End of Melt, K
 1  None Found  None Found
 2  None Found  None Found
 Average  None Found  None Found
Conclusions:
There was no freezing point or melting point evident for the sample. A Tg was evident, indicating the sample is amorphous and not crystalline.
Executive summary:

In accordance with EU A1 Regulation (EC) No 440/2008, Annex, Official Journal of the European Union L142/1, melting point was measured by the Differential Scanning Calorimetry method (OECD Guidelines for The Testing of Chemicals, 102, July 27 1995).

There was no freezing point or melting point evident for the sample. A Tg was evident, indicating the sample is amorphous and not crystalline.

Description of key information

In accordance with EU A1 Regulation (EC) No 440/2008, Annex, Official Journal of the European Union L142/1, melting point was measured by the Differential Scanning Calorimetry method (OECD Guidelines for The Testing of Chemicals, 102, July 27 1995).

There was no freezing point or melting point evident for the sample. A Tg was evident, indicating the sample is amorphous and not crystalline.

Key value for chemical safety assessment

Additional information