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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
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