Registration Dossier
Registration Dossier
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EC number: 475-900-3 | CAS number: -
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:
- 30 May - 28 June 2005
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. However, the test item identification is incomplete (unspecified cis-trans isomery, therefore identified under the generic CAS 17129-06-5). Therefore validation applies with restrictions.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- Directive 92/69/EEC
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM E 537-84
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Certificate from 2004-12-22
- Type of method:
- thermal analysis
- Remarks:
- DTA
- Key result
- Melting / freezing pt.:
- -29.5 °C
- Executive summary:
The melting point of the test item was determined, under GLP, according to EU A.1 guideline, with Differential Thermal Analysis (DTA) method. Two measurements were performed, and the mean of onset values was retained. The melting point, i.e. solid-to-liquid transition, has been determined to be -29.5°C.
Reference
The extrapolated onset temperatures were retained:
sample 1: -29.64°C
sample 2: -29.71°C
Description of key information
Melting (i.e. solid to liquid transition) point = -29.5°C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -29.5 °C
Additional information
An experimental study, conducted according to EU guideline and GLP, is available. Despite restrictions due to incomplete test item identification (i.e. unspecified cis-trans isomery), it is considered as reliable, and the result is retained as key data.
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.
