Registration Dossier
Registration Dossier
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EC number: 230-711-3 | CAS number: 7287-19-6
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:
- 11 Dec 1998 to 19 Jan 1999
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- July 1995
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- December 1992
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Version / remarks:
- August 1996
- GLP compliance:
- yes
- Type of method:
- capillary method
- Remarks:
- using a Mettler FP90 central processor and a FP81HT MBC cell.
- Key result
- Melting / freezing pt.:
- 120.4 °C
- Conclusions:
- The melting point of the substance was determined to be 120.4 °C (393.6 K).
- Executive summary:
A study was performed to determine the melting temperature of the test substance according to the EU Method A.1 and in compliance with GLP. Using the capilarry method, the mean melting temperature of the test substance was determined to be 120.4 °C (393.6 K) from the three measurements.
Reference
For the reference material, benzoic acid, the average determined melting point of 122.5 °C was in good agreement with the literature value of 122.4 °C, quoted by the manufacturer. As the difference between the average temperatures for the beginning and the end of the melting point for the test substance is within the limit of the accuracy of the method, the melting point is taken as the temperature at the end of the melting, i.e. 120.4 °C. The melting point of the test substance is, therefore, 120.4 °C (= 393.6 K)
The accuracy of the determination was estimated to be about ± 0.4 °C.
Description of key information
120.4 °C (393.6 K), OECD 102, capillary method, Das 1999.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 120.4 °C
Additional information
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