Registration Dossier
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EC number: 236-419-2 | CAS number: 13360-78-6
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:
- 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- not specified
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): Aerophine 3418A Promoter, stripped
- IUPAC nomenclature - Sodium diisobutyldithiophosphinate
- Lot WEA102051
- Appearance - White powder with lumps
- CAS No. 13360-78-6
- Molecular Formula - C8H18PS2.Na
- Molecular Weight - 232 g/mole
- Purity > 99% - Melting / freezing pt.:
- > 184 - < 190 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Key result
- Melting / freezing pt.:
- 188 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Conclusions:
- The melting point was measured to be 188 °C.
- Executive summary:
Melting Point - The mean heating range is 184 to 190°C. The melting point is the peak from the DSC curve: 188°C. Melting point / range were determined by DSC and confirmed with capillary method. The test substance was held under vacuum at room temperature for 24 hours prior to analysis.
Reference
Melting Point / Melting Range of Test Substance
Specimen No. |
Heat Cycle |
Onset (Melting Point) (°C) |
Peak (°C) |
Endset (°C) |
Melting Range (°C) |
Enthalpy (joules/g) |
1 |
1 |
183.57 |
187.94 |
190.24 |
183.6 – 190.2 |
54 |
2 |
1 |
183.85 |
188.10 |
190.46 |
183.8 – 190.5 |
55 |
1 |
2 |
183.62 |
187.94 |
190.23 |
183.6 – 190.2 |
51 |
2 |
2 |
183.75 |
188.10 |
190.40 |
183.8 – 190.4 |
54 |
Description of key information
The mean heating range is 184 to 190°C. The melting point is the peak from the DSC curve: 188°C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 188 °C
Additional information
Melting point / range were determined by DSC and confirmed with capillary method. The test substance was held under vacuum at room temperature for 24 hours prior to analysis.
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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