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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2017-10-25 - 2018-04-23
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
Version / remarks:
1998
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Reference substance name:
Phenol, 4-amino-, reaction products with 4-(2-naphthalenylamino)phenol and sodium sulfide (Na2(Sx))
EC Number:
291-833-0
EC Name:
Phenol, 4-amino-, reaction products with 4-(2-naphthalenylamino)phenol and sodium sulfide (Na2(Sx))
Cas Number:
90480-94-7
Molecular formula:
not applicable
IUPAC Name:
Reaction product of 4-aminophenol with 4-​(2-​naphthalenylamino)​phenol and sodium polysulfide
Test material form:
solid
Details on test material:
Test item: Leuco Sulphur Black 11
Appearance: black solid
CAS No: 90480-94-7
EC No: 291-833-0

Results and discussion

Melting / freezing point
Key result
Atm. press.:
>= 1 023 - <= 1 025 hPa
Decomposition:
yes
Decomp. temp.:
ca. 170 °C
Remarks on result:
other: No melting point up to decomposition

Applicant's summary and conclusion

Conclusions:
The test item Leuco Sulphur Black 11 has no melting point up to its decomposition starting at a temperature of approx. 170 °C as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1., OECD Test Guideline 102 (1995), EPA OCSPP 830.7200 (1998) and CIPAC MT 1 (2009).
Executive summary:

Summary

The test item Leuco Sulphur Black 11 has no melting point up to its decomposition starting at a temperature of approx. 170 °C as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1., OECD Test Guideline 102 (1995), EPA OCSPP 830.7200 (1998) and CIPAC MT 1 (2009).