Registration Dossier
Registration Dossier
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EC number: 219-145-8 | CAS number: 2372-82-9
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:
- February 26, 2002
- 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:
- Cited as Directive 92/69/EEC, A.1
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
- Key result
- Melting / freezing pt.:
- > 7.5 - <= 7.7 °C
- Atm. press.:
- >= 96 000 - <= 96 800 Pa
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- Under the study conditions, the freezing point of the test substance was established to be 7.6 +/- 0.1°C at 96,400 Pa.
- Executive summary:
A study was conducted to determine the freezing point of the test substance according to the OECD Guideline 102 and EU Method A.1, in compliance with GLP. Under the study conditions, the freezing point of the test substance was established to be 7.6 +/- 0.1°C at 96,400 Pa (Mourgues, 2002).
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From October 15, 2004 to December 22, 2004
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
- Remarks:
- A1 92/69/EC
- Key result
- Melting / freezing pt.:
- 10.9 °C
- Decomposition:
- no
- Conclusions:
- Under the study conditions, the freezing point of the test substance was estimated at 10.9°C.
- Executive summary:
The study was conducted to determine the freezing point of the test substance according to the EU Method A.1, in compliance with GLP. Under the study conditions, the freezing point of the test substance was estimated at 10.9°C (White, 2004).
Referenceopen allclose all
Two independent determinations were carried out:
Assay no. 1:
Atmospheric pressure: 96.8 kPa
Test room hygrometry: 34.5%
Freezing point: 7.7 +/- 0.1 deg.C
Assay no. 2:
Atmospheric pressure: 96.0 kPa
Test room hygrometry: 41 %
Freezing point: 7.5 +/- 0.1 deg.C
Description of key information
Determination of the melting point according to OECD Guideline 102 and EU Method A.1 (Mourgues, 2002; White, 2004).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 7.6 °C
Additional information
- 7.6 +/- 0.1°C at 96,400 Pa (Mourgues, 2002)
- 10.9°C (White, 2004)
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.
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