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EC number: 939-592-9 | CAS number: 67254-71-1
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:
- 26 Jan-10 Feb 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Principles of method if other than guideline:
- In-house test procedure VTA(S)31X93001.02: "melting temperature determination (Tm) of solid and liquid substances by means of DSC."
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Remarks:
- differential scanning calorimetry
- Melting / freezing pt.:
- >= -24 - <= -8 °C
- Atm. press.:
- ca. 1 013 hPa
- Melting / freezing pt.:
- -24 °C
- Atm. press.:
- ca. 1 013 hPa
- Remarks on result:
- other: crystallization
Reference
The test was conducted under atmospheric pressure condition; possible decomposition/sublimation, as well as decomposition/sublimation temperature is not specified.
The test item Alcohols, C10 -12, Ethoxylated (EO < 2.5) shows several endothermic effects of possibly crystalline subcomponents between -24 °C and -8 °C (in the 1. and 2. heating run), which can be attributed to partial melting.
-28 °C - -8 °C (from first measurement)
-29 °C - -8 °C (from second measurement)
-28 °C - -8 °C (from third measurement)
The cooling runs show a crystallization effect at -24 °C.
Additionally, the sample shows a glass transition at -78 °C.
Description of key information
melting range: -28 °C - -8 °C at ca. 1013 hPa (OECD 102, DSC)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -24 °C
Additional information
The melting point of the substance was determined according to OECD Guideline 102 using differential scanning calorimetry. The cooling runs show a crystallization effect at -24 °C (used as key value). Additionally, the sample undergoes a glass transition at -78 °C.
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