Registration Dossier
Registration Dossier
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EC number: 277-633-6 | CAS number: 73912-21-7
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:
- supporting study
- Study period:
- 2016-06-27
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 179.1 °C
- Conclusions:
- The melting point was determined according to a scientifically valid method, hence, the following result for the test material can be considered as reliable: The melting point of 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin (CAS 73912-21-7) was determined in a OECD 102 study, using the DSC method. The melting point was determined as 179.1 °C.
- Executive summary:
The melting point of 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin (CAS 73912-21-7) was determined in a OECD 102 study, using the DSC method. The melting point was determined as 179.1 °C.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2016-06-27
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- 101.2 °C
- Decomposition:
- no
- Conclusions:
- The melting point was determined according to a scientifically valid method, hence, the following result for the test material can be considered as reliable: The melting point of a production sample of 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin (CAS 73912-21-7) was determined in a OECD 102 study. The melting point was determined to be 101.2 °C using a capillary tube.
- Executive summary:
The melting point of a production sample of 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin (CAS 73912-21-7) was determined in a OECD 102 study. The melting point was determined to be 101.2 °C using a capillary tube.
Referenceopen allclose all
Description of key information
The melting point of a production sample of 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin (CAS 73912-21-7) was determined in a OECD 102 study. The melting point was determined to be 101.2 °C using a capillary tube.
The melting point of 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-12Hdibenzo[d,g][1,3,2]dioxaphosphocin (CAS 73912-21-7) was determined in a OECD 102 study, using the DSC method. The melting point was determined as 179.1 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 101.2 °C
Additional information
The melting point of both a purified sample and a production sample containing a certain amount of impurities was determined in a OECD 102 study.
The melting point of the registered substance was analyzed using DSC measurements first. According to these measurements the melting point for the purified substance was determined to be 179.1 °C. DSC measurements of production samples give several peaks, sometimes including glass transition points. Therefore the melting point of production sample was determined to be 101.2 °C using a capillary tube.
As the production sample describes the registered substance more precisely than the purified sample containing only the main constituent, the melting point of the production sample, i.e. 101.2°C, was chosen as the key value.
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.
