Registration Dossier

Physical & Chemical properties

Melting point / freezing point

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
other: Company report on the production process
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A1.
Principles of method if other than guideline:
Production process
GLP compliance:
yes (incl. certificate)
Type of method:
capillary method
Remarks:
The test was conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A1.
Key result
Melting / freezing pt.:
> 350 °C
Conclusions:
The Substance has a melting point above 350 degrees C
Executive summary:

The Substance has a melting point above 350 degrees C

Description of key information

The Substance has a melting point above 350 degrees C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
350 °C

Additional information

The melting point of triiorn tetraoxide, one of the major constituents, was 1597°C (Lide 2002). The other major constituent, Quartz, also has a very high melting point (above 1000 C) similar to diiron trioxide. The melting point of the other main constituent, the Feldspar-group of minerals, is above 1200°C.