Registration Dossier
Registration Dossier
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EC number: 807-413-2 | CAS number: 70280-68-1
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 02 March 2015-19 June 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-compliant study in accordance with EC A.1, OECD 102 and EPA OPPTS 830.7200.
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- (2008)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- (1995)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Version / remarks:
- (1998)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- thermal analysis
- Remarks:
- (differential scanning calorimetry)
Test material
- Reference substance name:
- 3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol
- EC Number:
- 807-413-2
- Cas Number:
- 70280-68-1
- Molecular formula:
- C13H34O5Si3
- IUPAC Name:
- 3-[3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propoxy]propane-1,2-diol
- Test material form:
- other: liquid
- Details on test material:
- - Name (as cited in study report): X-22-1927
- Appearance: clear light yellow liquid
- Storage conditions: at room temperature
Constituent 1
Results and discussion
Melting / freezing pointopen allclose all
- Melting / freezing pt.:
- < -90 °C
- Remarks on result:
- other: Result from DSC Experiment 1.
- Melting / freezing pt.:
- < -80 °C
- Remarks on result:
- other: Result from 'Storage experiment in freezers'.
Any other information on results incl. tables
The test substance was observed to be a viscous liquid after storage at -21.8 ± 0.3°C and a very viscous liquid after storage at -81.6 ± 1.8°C.
Applicant's summary and conclusion
- Conclusions:
- The freezing temperature of X-22-1927 is < -80°C.
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