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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:
16 February 2017 to 03 March 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
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
Key result
Melting / freezing pt.:
>= 26 - <= 51 °C
Remarks on result:
other: overall melting range 299 to 324 K

RESULTS

- Thermograms for determinations 1 and 2 are shown in Figures 1 and 2 (attached).

- Thermographic data are summarised in Table 2 (below).

TABLE 2 – THERMOGRAPHIC DATA

Thermal event

Interpretation

Temperature (°C)

Determination 1

Temperature (°C)

Determination 1

Endotherm

Onset of melting

26.31

26.60

Endotherm

Endset of melting

50.28

51.14

Atmospheric pressure: not reported

Overall melting range: 26 to 51 °C (299 to 324 K)

Conclusions:
The melting temperature of the test item was determined to be over the range 26 to 51 °C (299 to 324 K).
Executive summary:

GUIDELINE

The determination was carried out by differential scanning calorimetry using a procedure designed to be compatible with Method A.1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

 

RESULTS

The melting temperature of the test item was determined to be over the range 26 to 51 °C (299 to 324 K).

Description of key information

The melting temperature of the test item was determined to be over the range 26 to 51 °C (299 to 324 K) (OECD 102 and EU Method A.1).

Key value for chemical safety assessment

Additional information

GUIDELINE

The determination was carried out by differential scanning calorimetry using a procedure designed to be compatible with Method A.1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

 

RESULTS

The melting temperature of the test item was determined to be over the range 26 to 51 °C (299 to 324 K).