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Physical & Chemical properties

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
other: own specification
Adequacy of study:
key study
Study period:
1995 - 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: well documented and scientfically acceptable

Data source

Referenceopen allclose all

Reference Type:
other: Sensient's specification
Title:
Unnamed
Year:
2009
Report Date:
2009
Reference Type:
publication
Title:
No information
Year:
2005
Bibliographic source:
EP 1553079 Orient Chemical Industries
Reference Type:
publication
Title:
No information
Author:
Goodbrand, H.Bruce, Hu Nan-Xing
Year:
1999
Bibliographic source:
Jounal of Organic Chemistry vol.64, p.670-674
Reference Type:
publication
Title:
No information
Year:
1988
Bibliographic source:
US4764625 (patent), Xerox Corporation

Materials and methods

Principles of method if other than guideline:
Differential Scanning Calorimetrie DSC
GLP compliance:
no
Type of method:
other: Differential Scanning Calorimetrie DSC

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Name of test material (as cited in study report): TPD (ST 16/1.1)
- Physical state: white powder
- Analytical purity: 99.9% (HPLC)
- Composition of test material, percentage of components: 87.7% TPD (N,N'-Bis(3-methylphenyl)-N,N'-diphenyl-benzidine, 11.5% N,N,N'-Tris(phenyl)-N-3-methylphenyl-biphenyl-4,4'diamine, 0.8% Tetraphenyl-biphenyl-4,4'diamine
- Lot/batch No.: 16/1.1-07058.09
- Production date: 1.2.2009
- Expiry date: after 24 month

Results and discussion

Melting / freezing point
Melting / freezing pt.:
>= 166 - <= 171 °C
Atm. press.:
1 atm

Any other information on results incl. tables

regarding Sensient's specification: DSC Onset > 167°C

Applicant's summary and conclusion