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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
The temperature at which substance changes its phase at standard atmospheric pressure
GLP compliance:
no
Type of method:
other: standard method

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 4-aminonaphthalene-1-sulphonate
EC Number:
204-975-5
EC Name:
Sodium 4-aminonaphthalene-1-sulphonate
Cas Number:
130-13-2
Molecular formula:
C10H9NO3S.Na
IUPAC Name:
sodium 4-aminonaphthalene-1-sulfonate
Test material form:
solid: crystalline
Details on test material:
CAS number: 130-13-2
Chemical Name: sodium 4-aminonaphthalene-1-sulphonate
Molecular formula: C10H9NO3S.Na

Results and discussion

Melting / freezing point
Melting / freezing pt.:
305 °C
Atm. press.:
990 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: room temperature of 30oC

Applicant's summary and conclusion

Conclusions:
The experimental melting point of the chemical sodium 4-aminonaphthalene-1-sulphonate was found to be 305oC at room temperature of 30oC and atmospheric pressure of 990 hPa
Executive summary:

The experimental melting point of the chemical sodium 4-aminonaphthalene-1-sulphonate was found to be 305o C at room temperature of 30oC and atmospheric pressure of 990 hPa