Registration Dossier
Registration Dossier
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EC number: 442-230-8 | CAS number: 321679-52-1
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:
- 29 March 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Identity: FAT 40800/A
Batch number: WP 2/01
Aggregate state at room temperature: Solid / powder
Color: Dark orange
Storage conditions: At room temperature at about 20 °C, away form direct sunlight
Expiration Date: February 14, 2007 - Melting / freezing pt.:
- > 400 °C
- Atm. press.:
- 1 atm
- Conclusions:
- FAT 40800/A does not melt under the conditions of the test up to 400 °C.
- Executive summary:
In a GLP-compliant study performed according to OECD guideline 102 and EC method A.1, the melting point of the test substance was determined using differential scanning calorimetry. Based on test results, no melting was observed till 400 °C and after the experiment, the sample had lost about 20 % of its mass and a black powder remained.
Reference
In the preliminary test (heating rate of 20 K/min from 25 °C to 400 °C), no relevant endothermic heat effect was observed between 25 °C and 400 °C from which the melting of the sample can be deduced. After the experiment, the sample was still a powder, had lost about 20 % of its mass and was black in color. In order to determine endothermic reaction more precisely, a main study was performed between 25 °C and 400 °C with a heating rate of 10 K/min. In this temperature range, no endothermic reaction was observed from which melting of the test item could be deduced. During this run, the sample lost 19.6 % of its mass. After the measurement, the sample was still a powder and colored black.
Description of key information
The test substance does not melt under the conditions of the test up to 400 °C.Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 400 °C
Additional information
In a GLP-compliant study performed according to OECD guideline 102 and EC method A.1, the melting point of the test substance was determined using differential scanning calorimetry. Based on test results, no melting was observed up to 400 °C and after the experiment, the sample had lost about 20 % of its mass and a black powder remained.
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