Registration Dossier
Registration Dossier
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EC number: 230-555-6 | CAS number: 7189-82-4
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing 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:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
Test material
- 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)
Constituent 1
Results and discussion
Melting / freezing point
- Key result
- Melting / freezing pt.:
- ca. 209.3 °C
- Atm. press.:
- 1 013.25 hPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 275 °C
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:
- The melting point of the substance is 209.3 °C
- Executive summary:
In a test using differential scanning calometry, the melting point was deteremined to be 209.3 °C.
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