Nickel, 5-[2-(2-hydroxy-3,7-disulfo-1-naphthalenyl)diazenyl]-1H-1,2,4-triazole-3-carboxylate sodium complexes

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Experimental period 20th September 2002 to 5th February 2003

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Meets the criteria for classification as Reliable without restriction according to Klimisch et al (1997)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2004

Report date:

2004

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.1 (Melting / Freezing Temperature)

GLP compliance:

yes

Type of method:

capillary method

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

443-510-2

EC Name:

-

Cas Number:

738587-10-5

Molecular formula:

C26H14N10Ni2O18S4 as free acid

IUPAC Name:

dinickel(2+) sodium 3-carboxy-5-[(1E)-2-(7-oxido-2,6-disulfonaphthalen-1-yl)diazen-1-yl]-1H-1,2,4-triazol-1-ide 3-carboxy-5-[(1E)-2-(7-oxido-2-sulfo-6-sulfonatonaphthalen-1-yl)diazen-1-yl]-1H-1,2,4-triazol-1-ide

Results and discussion

Melting / freezing point

Melting / freezing pt.:

> 300 °C

Any other information on results incl. tables

The test substance did not melt when taken up to a temperature of 310°C and appeared to remain unchanged after testing.

Applicant's summary and conclusion

Conclusions:

Melting point is >300°C

Executive summary:

Introduction

Method used EU Method A.1 (Melting / Freezing Temperature)

Results and conclusion

The melting point is >300°C and the test substance did not melt when taken up to a temperature of 310°C and appeared to remain unchanged after testing.