Registration Dossier
Registration Dossier
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EC number: 219-034-4 | CAS number: 2322-77-2
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:
- 1998
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Guideline:
- other: DTA
- Principles of method if other than guideline:
- A differential thermoanalysis method (DTA) was used to determine the transition temperatures.
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Remarks:
- DTA
- Melting / freezing pt.:
- 178 °C
- Decomposition:
- yes
- Decomp. temp.:
- 151.5 °C
- Remarks on result:
- other: Extrapol. onset of DTA-exotherm peak
- Conclusions:
- A differential thermoanalysis method (DTA) was used to determine the transition temperatures of the substance. The melting temperature was 178 °C (Peak of DTA - endotherm), and the begin of decomposition was at 151.5 °C.
- Executive summary:
A differential thermoanalysis method (DTA) was used to determine the transition temperatures of the substance. The melting temperature was 178 °C (Peak of DTA - endotherm), and the begin of decomposition was at 151.5 °C.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 1960-1976
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Guideline:
- other: no data
- GLP compliance:
- not specified
- Type of method:
- other: no data
- Melting / freezing pt.:
- 122 - 162 °C
- Remarks on result:
- other: diverse authors, no pressure reported
- Conclusions:
- In different studies the melting point of the substance is reported to be in the range between 122 and 162 °C. No pressure is reported.
- Executive summary:
In different studies the melting point of the substance is reported to be in the range between 122 and 162 °C. No pressure is reported.
Referenceopen allclose all
no pressure reported, but ambient pressure is assumed.
Description of key information
The melting temperature of the substance is 178 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 178 °C
Additional information
A differential thermoanalysis method (DTA) was used to determine the transition temperatures of the substance (Peak of DTA - endotherm), and the begin of decomposition was at 151.5 °C, no pressure is reported.
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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