Registration Dossier
Registration Dossier
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EC number: 412-830-4 | CAS number: 1823-59-2 ODPA
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- Metal block
- Deviations:
- not specified
- GLP compliance:
- yes
- Type of method:
- other: capillary tube in metal block
Test material
- Reference substance name:
- 4,4'-oxydiphthalic anhydride
- EC Number:
- 412-830-4
- EC Name:
- 4,4'-oxydiphthalic anhydride
- Cas Number:
- 1823-59-2
- Molecular formula:
- C16H6O7
- IUPAC Name:
- 5-[(1,3-dioxo-1,3-dihydro-2-benzofuran-5-yl)oxy]-1,3-dihydro-2-benzofuran-1,3-dione
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Melting / freezing point
- Key result
- Melting / freezing pt.:
- 226 - 229 °C
- Remarks on result:
- other: No information on Atm. press. available
Applicant's summary and conclusion
- Conclusions:
- 4,4'-oxydiphthalic anhydride was found to have a melting point of 226-229°C.
- Executive summary:
The melting point of 4,4'-oxydiphthalic anhydride was determined using the metal block method in accordance with EU guideline A1.
The melting point was found to be 226 -229°C.
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