Registration Dossier
Registration Dossier
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EC number: 218-617-0 | CAS number: 2206-27-1
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 27. July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 30 May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Di[(2H3)methyl] sulphoxide
- EC Number:
- 218-617-0
- EC Name:
- Di[(2H3)methyl] sulphoxide
- Cas Number:
- 2206-27-1
- Molecular formula:
- C2D6OS
- IUPAC Name:
- dimethyl sulfoxide
Constituent 1
Results and discussion
Melting / freezing point
- Key result
- Melting / freezing pt.:
- >= 259.6 - <= 292.83 K
- Atm. press.:
- ca. 1 atm
- Decomposition:
- no
- Sublimation:
- no
Any other information on results incl. tables
Experimental pressure, decomposition and sublimation are not precised in test report.
As the melting points differ by more than 0.5 K below 600 K a range had to be stated:
- The melting range under these circumstances as the endothermic event should be stated with: -11.65 to 19.68°C (261.50 to 292.83 K)
- The freezing point under these circumstances as the exothermic event should be stated with: 11.86 to -13.55°C (285.01 to 259.60 K)
Applicant's summary and conclusion
- Conclusions:
- - the melting range under these circumstances as the endothermic event should be stated with: -11.65 to 19.68°C (261.50 to 292.83 K)
- the freezing point under these circumstances as the exothermic event should be stated with: 11.86 to -13.55°C (285.01 to 259.60 K) - Executive summary:
In an OECD 102 study with pure DMSO-d6:
- the melting range under these circumstances as the endothermic event should be stated with: -11.65 to 19.68°C (261.50 to 292.83 K)
- the freezing point under these circumstances as the exothermic event should be stated with: 11.86 to -13.55°C (285.01 to 259.60 K)
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