Chromium iron oxide

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Reason / purpose for cross-reference:

reference to same study

Qualifier:

no guideline followed

Principles of method if other than guideline:

The melting point of the pigment was estimated by consulting phase diagram that included the characteristic crystalline phase of the pigment and, as far as possible, had the same composition, through this latter point was not always feasible.

GLP compliance:

no

Type of method:

thermal analysis

Remarks:

Differental Thermal analysis

Melting / freezing pt.:

> 1 000 °C

The DTA test identified no transition in the 100 -1000 °C range that might indicate pigment fusion, it therefore being inferred that the pigment melting point lies at higher temperatures than the maximum temperature in the range examined.

Conclusions:

The DTA test identified no transition in the 100 -1000 °C range that might indicate pigment fusion, it therefore being inferred that the pigment melting point lies at higher temperatures than the maximum temperature in the range examined.

Description of key information

The melting point of the pigment chromium iron oxide is >1000 °C.