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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non GLP study, available as unpublished report, no restrictions, fully adequate for assessment.
Qualifier:
no guideline followed
Principles of method if other than guideline:
Standard DSC analysis was used for melting point analysis.
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
62.75 - 63.95 °C
Decomposition:
no

DSC First Heat Cycle Melting Point Results

Prep no.

Onset (°C) Melt

Peak (°C)

3

64.6

65.8

4

60.9

62.1

Conclusions:
A melting range of 62.75-63.95 °C was determined for Tetrabutylphosphonium chloride.
Executive summary:

In this study the melting point of Tetrabutylphosphonium chloride was measured by modulated DSC analysis. A melting point of 62.75 -63.95 °C was determined for Tetrabutylphosphonium chloride.

Description of key information

In this study the melting point of Tetrabutylphosphonium chloride was measured by modulated DSC analysis.A melting point of 62.75 - 63.95 °C was determined for Tetrabutylphosphonium chloride .

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
62.75 °C

Additional information

One reliable key study is available for this endpoint. In this study, the melting point of the test item was determined to be 62.75 - 63.95 °C.