Registration Dossier

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:
test procedure in accordance with national standard methods

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company SOP
Principles of method if other than guideline:
DSC
GLP compliance:
no
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
6,8-dianilinonaphthalene-1-sulphonic acid
EC Number:
204-970-8
EC Name:
6,8-dianilinonaphthalene-1-sulphonic acid
Cas Number:
129-93-1
Molecular formula:
C22H18N2O3S
IUPAC Name:
6,8-dianilinonaphthalene-1-sulfonic acid
Test material form:
solid: particulate/powder

Results and discussion

Melting / freezing point
Melting / freezing pt.:
> 250 °C
Decomposition:
yes
Decomp. temp.:
250 °C

Applicant's summary and conclusion

Conclusions:
The substance showed no meltig point. It decomposed ar about 250°C.
Executive summary:

It was tried to determin the melting point by DSC. it was not possible because the substance decomposed at abot 250 °C,