Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N,N',N',N'',N''-hexamethyl-4,4',4''-methylidynetrianiline
EC Number:
210-043-9
EC Name:
N,N,N',N',N'',N''-hexamethyl-4,4',4''-methylidynetrianiline
Cas Number:
603-48-5
Molecular formula:
C25H31N3
IUPAC Name:
4-{bis[4-(dimethylamino)phenyl]methyl}-N,N-dimethylaniline
Test material form:
solid: particulate/powder
Details on test material:
- Purity: 99.4%

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
176.8 °C

Any other information on results incl. tables

Replicate

Melting Point (°C)

Melting Point (K)

1

176.9

450.1

2

177.2

450.4

3

176.4

449.6

Mean

176.8

450.0

Relative Std Dev

0.4

0.4

Applicant's summary and conclusion

Conclusions:
The test substance melted at 176.8°C
Executive summary:

The melting point was determined in accordance with OECD Guideline 102. Approximately 0.4 g of dried test substance was homogenized using a mortar and pestle until a fine powder was obtained. The test material was then added to a melting point capillary tube to a level of 4-6 mm and tapped to the bottom of the tubes. The temperature at which the test material melted was visually observed and recorded every 30 seconds from 170 to 185°C.

 

The test substance melted at 176.8°C.