Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other:
Remarks:
poor documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report date:
2005

Materials and methods

Principles of method if other than guideline:
according to company guideline
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium 7-[(4-amino-3-methoxyphenyl)azo]naphthalene-1,3-disulphonate
EC Number:
265-529-3
EC Name:
Disodium 7-[(4-amino-3-methoxyphenyl)azo]naphthalene-1,3-disulphonate
Cas Number:
65151-26-0
Molecular formula:
C17H15N3O7S2.2Na
IUPAC Name:
disodium 7-[(4-amino-3-methoxyphenyl)diazenyl]naphthalene-1,3-disulfonate

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
255 °C
Remarks on result:
other:
Remarks:
decomposition energy 223 J/g

Any other information on results incl. tables

onset temperature

Applicant's summary and conclusion