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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Melting point / freezing point

Currently viewing:

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

Constituent 1
Chemical structure
Reference substance name:
N,N'-diphenyl-N,N'-bis(3-methylphenyl)-(1,1'-diphenyl)-4,4'-diamine
EC Number:
413-810-8
EC Name:
N,N'-diphenyl-N,N'-bis(3-methylphenyl)-(1,1'-diphenyl)-4,4'-diamine
Cas Number:
65181-78-4
Molecular formula:
C38H32N2
IUPAC Name:
N4,N4'-bis(3-methylphenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine
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