Registration Dossier
Registration Dossier
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EC number: 239-491-3 | CAS number: 15471-17-7
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: No GLP, no guideline followed
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Deviations:
- not applicable
- Principles of method if other than guideline:
- Investigations by differential scanning calorimetry (DSC) provide information on the thermal behavior of substances. Samples of the test substance and of a reference material are subjected to the same controlled temperature programme; they are heated in an oven at a constant heating rate, and the temperatur is measured in two containers. The difference in energy input necessary to maintain identical temperatures
between the substance and the reference material is recorded. When the sample undergoes a phase transition, the corresponding change of enthalpy gives a departure form the base line of the heat flow record.
The DSC is mainly used as screening method for thermal stability analysis to determine the beginning of decomposition (onset temperature) and the heat of decomposition. - GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- 1-(3-sulphonatopropyl)pyridinium
- EC Number:
- 239-491-3
- EC Name:
- 1-(3-sulphonatopropyl)pyridinium
- Cas Number:
- 15471-17-7
- Molecular formula:
- C8H11NO3S
- IUPAC Name:
- 1-(2-hydroxy-3-sulphonatopropyl)pyridinium
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): 1-(3-Sulfopropyl)-pyridinium-betain
Constituent 1
Results and discussion
Boiling point
- Decomposition:
- yes
- Decomp. temp.:
- 284 °C
- Remarks on result:
- other: Decomposition before boiling. A transition from the melting into decomposition was observed at 284°C.
Applicant's summary and conclusion
- Conclusions:
- The test substance decomposes before boiling, decomposition temperature is 284 °C.
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