Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
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:
- 12 December 2011 to 09 March 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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 (incl. QA statement)
- Type of method:
- thermal analysis
- Remarks:
- (differential scanning calorimetry)
- Specific details on test material used for the study:
- Identification FAT 40854/A TE
Description Reddish-brown powder (determined at NOTOX)
Batch TZ 5719 / BOP 02-11
Content 46.2 % (4 main constituents)
Test substance storage: At room temperature in the dark
Stability under storage conditions: Stable
Expiry date: 01 April 2016 - Decomposition:
- yes
- Decomp. temp.:
- > 175 °C
- Remarks on result:
- other: Melting of the test substance was not observed below the temperature at which reaction and/or decomposition started.
- Conclusions:
- Melting of FAT 40854/A was not observed below the temperature at which reaction and/or decomposition started >175 °C. Based on this, the test substance has no melting temperature.
- Executive summary:
In a GLP-compliant test melting point of FAT 40854/A was determined according to EU method A.1 and OECD guideline 102 using differential scanning calorimetery method. Melting of FAT 40854/A was not observed below the temperature at which reaction and/or decomposition started >175 °C. Based on this, the test substance has no melting temperature.
Reference
Preliminary TGA:
From 300 °C upwards the weight of the sample decreased significantly. At 412 °C, the sample weight had decreased by 25 %. After the experiment, a black residue remained in the sample container (original colour: reddish-brown). The change of the colour indicated reaction and/or decomposition of the test substance.
DSC experiment:
A small endothermic peak between 50 °C and 150 °C was observed followed by a strong exothermic effect starting at 175 °C. The small effect was possibly due to evaporation of water since the test substance is hygroscopic. After the experiment, a black residue remained in the sample container. The strong exothermic effect and the change of colour indicated reaction/decomposition of the test substance.
Description of key information
In a GLP-compliant test the melting point of FAT 40854/A was determined according to EU method A.1 and OECD guideline 102 using differential scanning calorimetery method. Melting of FAT 40854/A was not observed below the temperature at which reaction and/or decomposition started >175 °C. Based on this, the test substance has no melting temperature.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 175 °C
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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