Registration Dossier
Registration Dossier
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EC number: 222-530-3 | CAS number: 3520-72-7
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27 Jan 2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- according to standard operating procedure of testing institute
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
- EC Number:
- 222-530-3
- EC Name:
- 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
- Cas Number:
- 3520-72-7
- Molecular formula:
- C32H24Cl2N8O2
- IUPAC Name:
- 4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)
- Test material form:
- solid: nanoform
Constituent 1
Results and discussion
Melting / freezing point
- Decomposition:
- yes
- Decomp. temp.:
- >= 288 °C
Any other information on results incl. tables
The test substances decomposes at an onset of 288°C (peak 312°C)
decomposition energy 361 J/g
Applicant's summary and conclusion
- Conclusions:
- The test substance does not melt bevore decomposition.
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