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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10 April 2017 to 08 May 2017
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 guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
GLP compliance:
yes
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenyl-2H-imidazol-2-yl]-4,5-diphenyl-1H-imidazole
EC Number:
230-555-6
EC Name:
2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenyl-2H-imidazol-2-yl]-4,5-diphenyl-1H-imidazole
Cas Number:
7189-82-4
Molecular formula:
C42H28Cl2N4
IUPAC Name:
2,2'-bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-2'H-1,2'-biimidazole
Test material form:
solid: crystalline
Details on test material:
Appearance: Yellow crystalline powder
Test item storage: At room temperature
Stable under storage conditions until: 01 February 2018 (expiry date)

Results and discussion

Boiling point
Decomposition:
yes
Decomp. temp.:
>= 275 - <= 375 °C
Remarks on result:
not determinable
Remarks:
dark yellow molten residue was found

Any other information on results incl. tables

Pre-test: weight loss at 519°C 25%; at 549°C 40%

Main test: endothermic peak from 209 -275 °C followed immediately by an exothemic peak (decomposition) from 275 -375°C.

Applicant's summary and conclusion

Conclusions:
No boiling point can be assessed due to decomposition of the substance
Executive summary:

In a test using differential scanning calometry, no boiling point could be assessed due to decomposition of the substance at 275 °C and above.