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Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
June 13 - 14, 2017
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Pre-Test (visual inspection)
according to
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes (incl. certificate)
Landesamt für Umwelt, Wasserwirtschaft und Gewerbeaufsicht, Rheinland-Pfalz
Type of method:
method to determine freezing temperature
Melting / freezing pt.:
< -20 °C
Atm. press.:
ca. 1 013 hPa


After evaluation the following values were recorded:


Room Temperature 3.4 °C:

Yellow and viscous liquid. No visual changes, test item not flow able anymore, like wax.

Room Temperature -21.2 °C:

No visual changes, test item very viscous, light unclear but could be pressed. Like wax.

Room Temperature -80 °C:

No visual changes, test item was frozen and solid.

In a pre-test, the test item dermofeel® P-30 was visiually unchanged, the test item was very viscous and light unclear (like wax) but could be pressed at – 20°C. According to Regulation (EC) No 1907/2008 annex VII, column 2 of section 7.2, the determination of the melting- / freezing point does not need to be conducted below a lower limit of - 20 °C.

Therefore, no additional test was conducted and the melting point is stated as: < - 20 °C (< 253.15 K).

Description of key information

< -20 °C at ca. 1013 hPa (OECD 102)

Key value for chemical safety assessment

Additional information

The melting point of the test substance was determined according to OECD Method 102 (determination of freezing temperature).