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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

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:
other: The test has been performed following official guidelines and completely assessed the end point.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
no
Type of method:
thermal analysis
Remarks:
DSC

Test material

Constituent 1
Chemical structure
Reference substance name:
nonasodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonaphthalen-2-yl}carbamoyl)amino]-3-sulfonaphthalen-2-yl}diazen-1-yl]benzoate 4-[(E)-2-{6-[({6-[(E)-2-(4-carboxyphenyl)diazen-1-yl]-5-hydroxy-7-sulfonaphthalen-2-yl}carbamoyl)amino]-1-hydroxy-3-sulfonaphthalen-2-yl}diazen-1-yl]benzoate 4-hydroxy-7-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonaphthalen-2-yl}carbamoyl)amino]-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2-sulfonate
EC Number:
943-269-8
Cas Number:
6598-63-6
Molecular formula:
not applicable
IUPAC Name:
nonasodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonaphthalen-2-yl}carbamoyl)amino]-3-sulfonaphthalen-2-yl}diazen-1-yl]benzoate 4-[(E)-2-{6-[({6-[(E)-2-(4-carboxyphenyl)diazen-1-yl]-5-hydroxy-7-sulfonaphthalen-2-yl}carbamoyl)amino]-1-hydroxy-3-sulfonaphthalen-2-yl}diazen-1-yl]benzoate 4-hydroxy-7-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonaphthalen-2-yl}carbamoyl)amino]-3-[(E)-2-phenyldiazen-1-yl]naphthalene-2-sulfonate
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Results and discussion

Melting / freezing point
Atm. press.:
ca. 1 atm
Decomposition:
yes
Decomp. temp.:
> 300 °C
Remarks on result:
other: Esotermic event between 294-363 °C (onset 314°C, entalpy -69 J/g)

Any other information on results incl. tables

Release of water/solvent between 45 -165 °C.

Esotermic event between 294-363 °C (onset 314°C, entalpy -69 J/g)

Applicant's summary and conclusion

Conclusions:
The substace melting point was determined by DSC according to OECD 102. An esotermic event wasd found between 294-363 °C (onset 314°C, entalpy -69 J/g)
Executive summary:

The substace melting point was determined by DSC according to OECD 102. An esotermic event wasd found between 294-363 °C (onset 314°C, entalpy -69 J/g).