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:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995
Report date:
1995

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes
Type of method:
thermal analysis
Remarks:
Mettler DSC12E.

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-dithiobis(5-amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile)
EC Number:
603-434-4
Cas Number:
130755-46-3
Molecular formula:
C22 H8 Cl4 F6 N8 S2
IUPAC Name:
4,4'-dithiobis(5-amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile)

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
297.6 °C
Atm. press.:
1 013 hPa

Any other information on results incl. tables

The onset temperature indicated corresponds to the extrapolated onset temperature given by the intersection of the tangent drawn at the point

of greatest slope on the leading edge of the endotherm peak, with the extrapolated baseline.

The melting point is considered to correspond to the extrapolated onset temperature.

The melting point of the technical material was found to be 297.6°C.

Operating conditions

Thermogram number

Melting point (onset temperature ) °C

 20-360°C at 10°C/min DSC167  297.9
 20-360°C at 10°C/min DSC168  297.4
     mean: 297.6

Applicant's summary and conclusion