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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report date:
2005

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Principles of method if other than guideline:
The test was performed as stipulated in Test Procedure VDI 2263, Part 1.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, ethanedioate
EC Number:
241-922-5
EC Name:
Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, ethanedioate
Cas Number:
18015-76-4
Molecular formula:
C25H26N2O4
IUPAC Name:
Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, ethanedioate
Test material form:
solid
Details on test material:
Basic Green 4 oxalate

Results and discussion

Relative self-ignition temperature (solids)
Relative self-ignition temperature:
> 110 °C
Remarks on result:
other:

Any other information on results incl. tables

The test basket was empty at the end of the temperature ramp.

The test substance showed no exothermic reaction up to the melting point at about 110 °C. At 100 °C the sample was foamed.

Applicant's summary and conclusion

Conclusions:
No exothermic reactions were observed up to the melting point (110 °C).
Executive summary:

The test was performed as stipulated in Test Procedure VDI 2263, Part 1. The sample in its delivery state and an inert reference are heated up to 370 °C at a rate of 0.5 K/min in an air flow of about 20 l/h. Subsequently, a fresh sample is heated at different ambient temperatures for a period of about at least five hours. The test basket was empty at the end of the temperature ramp. The test substance showed no exothermic reaction up to the melting point at about 110 °C. At 100 °C the sample was foamed.

 

Conclusion

No exothermic reactions were observed up to the melting point (110 °C).