Registration Dossier
Registration Dossier
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EC number: 252-091-3 | CAS number: 34562-31-7
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:
- key study
- Study period:
- August 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Principles of method if other than guideline:
- Method used Differential Scanning Calorimetry (DSC)
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Remarks:
- currently maintains accreditation from the A2LA (American Association for Laboratory Accreditation) in the field of Chemical Testing and operation of a laboratory quality management system (Certificate No. 3287.01)
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Reilly PDHP Adhesive Activator, Batch # 152614, Purity: 87% .
- Key result
- Melting / freezing pt.:
- < -80 °C
- Atm. press.:
- 101.3 kPa
- Decomposition:
- no
- Remarks on result:
- not determinable
- Remarks:
- No freezing point observed
- Conclusions:
- A melting point was not evident when the substance was tested in an OECD 102 protocol (using the DSC technique) down to -80 °C.
Reference
The sample does not display a freezing point on cooling. It does exhibit a glass transition with an average onset of 207.7°K (-65.5°C). A melting point was not evident. It is possible a melting point exists below the lower temperature limit of the instrument (-90°C).
Description of key information
none
Key value for chemical safety assessment
Additional information
No melting/freezing point was observed in experimental (OECD 102 by DSC) testing.
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