Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 207-559-1 | CAS number: 480-96-6
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2007
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- no
- Type of method:
- other: Melting point determined on XT-4 binocular microscope melting point apparatus
- Specific details on test material used for the study:
- Name of test material in study: Benzofurazan oxide (BFO)
- Key result
- Melting / freezing pt.:
- >= 72 - <= 73 °C
- Conclusions:
- The melting point was determined using a binocular microscope melting point apparatus to be 72-73°C.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1984
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- no
- Type of method:
- other: Melting point were determined in capillary tubes and are corrected by melting pints of standard compounds
- Specific details on test material used for the study:
- Name of test material in study: Benzofuroxan
- Key result
- Melting / freezing pt.:
- >= 69.5 - <= 70.5 °C
- Conclusions:
- The melting point was determined to 69.5-70.5°C.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 2011
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Type of method:
- other: Melting Points were recorded on a digital melting-point apparatus and are uncorrected
- Specific details on test material used for the study:
- Name of test material in study: BFO
- Key result
- Melting / freezing pt.:
- >= 66 - <= 67 °C
- Conclusions:
- The melting point was determined to 66-67°C.
Referenceopen allclose all
yellow solid, recrystallized from 95% ethanol
recrystallized from pentane/benzene
Description of key information
In the literature the value for the melting point is reported to 72-73°C. Further literature values of 66 -67°C and 69.5 -70.5°C support the chosen value.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 72.5 °C
Additional information
.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
