Chlorinated reaction product of Vat Blue 20 (Violanthrone A, Violanthrone B and Iso-violanthrone) - Earlier known as CI Vat Blue 18

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

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

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.