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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:
January 17, 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Remarks:
Guideline: Equivalent to EU TM A.1
Qualifier:
equivalent or similar to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
> 350 °C
Decomposition:
no
Sublimation:
no

Melting point / melting range: DSC measurement:

A DSC measurement with a heating rate of 10 K/min showed no endothermal effect (melting) in the

temperature range of 30 - 350 °C.

The results are summarized in Table 1.

Table1: Melting point (DSC measurements)

Ident No.

 

Test item

/mg

 

Starting

temperature / °C

 

Final test

temperature / °C

 

Temperature

Range

(melting) / °C

 

Onset / °C

 Crucible

 

Crucible Observations

after the

measurement

 1

 5.87

 30

 350

 -

 -

 

Aluminium

with a hole

 

Test item

was baked,

mass loss:

4%

The material has no melting point up to 350 °C.

Conclusions:
The test item; Reaction mass of anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,chloro derivatives and sodium chloride and water (Chlorinated Reaction product of Vat Blue 20 (Violanthrone A, Violanthrone B and Iso-violanthrone) Earlier Known as Vat Blue 18) has no melting point up to 350 °C.
Executive summary:

The test item; Reaction mass of anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,chloro derivatives and sodium chloride and water (Chlorinated Reaction product of Vat Blue 20 (Violanthrone A, Violanthrone B and Iso-violanthrone) Earlier Known as Vat Blue 18) has no melting point up to 350 °C.

Description of key information

The test item has no melting point up to 350 °C.

Key value for chemical safety assessment

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

Additional information

The test item has no melting point up to 350 °C.