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Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performed study according to acknowledged standard

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company SOP
Principles of method if other than guideline:
Differential scanning calorimetry (DSC)
GLP compliance:
no
Type of method:
thermal analysis

Test material

Constituent 1
Reference substance name:
Reaction mass of disodium 4-{4-[acetyl(methyl)amino]-2-sulfonatoanilino}-1-amino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate and disodium sulfate and sodium chloride
EC Number:
944-710-7
Molecular formula:
not available because multi-constituent substance
IUPAC Name:
Reaction mass of disodium 4-{4-[acetyl(methyl)amino]-2-sulfonatoanilino}-1-amino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate and disodium sulfate and sodium chloride
Test material form:
solid

Results and discussion

Melting / freezing point
Melting / freezing pt.:
°C
Atm. press.:
ca. 1 atm
Decomposition:
yes
Decomp. temp.:
ca. 257 °C
Sublimation:
no
Remarks on result:
other: decomp.before melting; decomp.exotermic energy of 109 J/g

Any other information on results incl. tables

An exothermic decomposition starts at 257°C. The decomposition energy is 109 J/g.

Applicant's summary and conclusion

Conclusions:
Decomposition at 257°C before melting.
Executive summary:

The decompostion at 257°C founded by DSC.

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