Registration Dossier
Registration Dossier
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EC number: 701-023-5 | CAS number: 85408-61-3
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:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data given. Certificate of Analysis.
- Qualifier:
- according to guideline
- Guideline:
- other: UIL 1046
- Principles of method if other than guideline:
- Test method based on UIL 1046.
- GLP compliance:
- no
- Type of method:
- pour point
- Melting / freezing pt.:
- -24 °C
- Atm. press.:
- ca. 1 013 hPa
- Remarks on result:
- other: Pour point
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1997-07-14 - 1997-07-22
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes
- Type of method:
- method to determine freezing temperature
- Key result
- Remarks on result:
- not determinable
- Remarks:
- In a triplicate experiment it was found that the test substance has no defined freezing point. Please see free text field: Any other information on results incl. tables.
Referenceopen allclose all
No data available for pressure but assumed to be determined at normal pressure.
In a triplicate experiment it was found that the test substance has no defined freezing point.
The test substance became cloudy at a temperature of -30.6 °C (242.4 K), -26.8 °C ( 246.2 K) and -25 °C (248 K) in test 1, 2 and 3.
The test substance became viscous at approximately -34 °C (239 K), -40 °C (233 K) and -32.8 °C (240.2 K) in test 1, 2 and 3, respectively. An in the test substance inserted stirrer could not be moved at a temperature of -50.7 °C (222.3 K), -56.1 °C (216.9 K) and -51.2 °C (221.8 K) in test 1, 2 and 3, respectively.
The temperature fall was < 5 K/min.
In conclusion, no freezing temperature can be determined. The viscosity of the test substance increases with decreasing temperature until finally, the test substance is completely solid
Description of key information
No freezing temperature could be determined, because the viscosity of test substance increases with decreasing temperature until the test substance is completely solid.
Pour point: -24 °C at ca. 1013 hPa
Key value for chemical safety assessment
Additional information
The melting point of the substance Fatty acids, C16-18 (even numbered) and C18-unsatd., branched and linear, di- and triesters with trimethylolpropane (former CAS 85005 -23 -8) was determined according to OECD guideline 102 / EU method A.1 using the method to determine freezing temperature.
Another determination of pour point according a company internal method (-24 °C) is supporting.
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