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EC number: 817-828-0 | CAS number: 80322-82-3
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 04 March-01 April 2022
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 022
- Report date:
- 2022
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- EC No. 440/2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Version / remarks:
- 1998
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- 2-[2-(2-hydroxyethoxy)ethoxy]ethanol,methanesulfonic acid
- Cas Number:
- 80322-82-3
- Molecular formula:
- C8H18O8S2
- IUPAC Name:
- 2-[2-(2-hydroxyethoxy)ethoxy]ethanol,methanesulfonic acid
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- Oxidane
- Reference substance name:
- 1,2-Ethandiylbis(oxy-2,1-ethandiyl)-monomethanesulfonat
- IUPAC Name:
- 1,2-Ethandiylbis(oxy-2,1-ethandiyl)-monomethanesulfonat
- Test material form:
- liquid
- Details on test material:
- Appearance: Dark yellow liquid
Batch No.: 01110008
Storage: -5 – 40 °C, container tightly closed, protected from light
Constituent 1
impurity 1
impurity 2
- Specific details on test material used for the study:
- Batch No.: 01110008
Storage: Refrigerator (2 – 8 °C; max. 40 °C), container tightly closed.
Results and discussion
Melting / freezing point
- Key result
- Melting / freezing pt.:
- >= -54 - <= -52 °C
- Atm. press.:
- 1 011 hPa
Any other information on results incl. tables
| Measurement No. | Sample weight / mg | Onset of Effect / °C | Range of effect / °C | Weight loss / mg | Atmospheric pressure / hPa |
| PN23095 | 9.66 | --- | --- | ||
| -51.93 | -55 to -45 (endo | 8.99 | 1010.5 | ||
| --- | 190 to 230 (exo) | ||||
| --- | 230 to 250 (endo) | ||||
| --- | 250 to 300 (exo) | ||||
| --- | 440 to 490 (endo) | ||||
| PN23096 | 9.01 | -- | --- | 8.39 | 1010.5 |
| -53.71 | -55 to -45(endo) | ||||
| 190 to 230(exo) | |||||
| 230 to 250 (endo) | |||||
| 250 to 310 (exo) | |||||
| 440 to 490 (endo) |
During the cooling phase the test item showed no thermal effects down to a temperature
of -90 °C.
During the heating phase a distinct endothermic effect was observed in the temperature range of -55 °C to -45 °C, which can be assigned to the melting of the test item. As the onset temperatures in both tests deviate by more than 0.5 K from their mean value of -52.82 °C, the test item has a melting range of -54 °C to -52 °C.
An exothermic effect was observed starting at a temperature of approx. 190 °C with an average energy release of -170 J/g. The exothermic effect is interrupted by an endothermic effect in the temperature range of 230 – 250 °C, which could be caused by an evaporation of gaseous decomposition products. The endothermic effect is directly followed by an exothermic effect with an average energy release of -180 J/g. A further endothermic effect was observed in the
temperature range of 440 – 490 °C.
Applicant's summary and conclusion
- Conclusions:
- The test item Triethylene glycol dimethanesulfonate (CAS no. 80322-82-3) has a melting range of -54 °C to -52 °C at atmospheric pressure (1011 hPa) as determined by Differential Scanning Calorimetry according to Regulation (EC) No 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
- Executive summary:
The test item Triethylene glycol dimethanesulfonate (CAS no. 80322-82-3) has a melting range of -54 °C to -52 °C at atmospheric pressure (1011 hPa) as determined by Differential Scanning Calorimetry according to Regulation (EC) No 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
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