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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
9 January 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Data have been generated according to current internationally recognised study guidelines and in accordance with GLP.
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary method
Melting / freezing pt.:
> 400 °C
Atm. press.:
101.325 Pa
Decomposition:
no
Sublimation:
yes
Subl. temp.:
385 °C

In the main test, melting of the test item was not observed. At around 385°C, a small portion of the test item sublimated. Due to the condensation of the vapours, purple drops were visible at the top of the capillaries.

Conclusions:
The substance did not melt up to 400°C.
Executive summary:

The melting temperature of the substance was measured using the capillary method according to the OECD 102 test guideline in compliance with GLP. The substances tested upto a temperature of 400°C. A small amount of subliumation occurred at 385°C, but no melting occured. the melting point of the substance is >400°C

Description of key information

The melting temperature of the substance was measured using the capillary method according to the OECD 102 test guideline in compliance with GLP. The substances tested up to a temperature of 400°C. A small amount of sublimation occurred at 385°C, but no melting occurred. The melting point of the substance is >400°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
400 °C

Additional information