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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experiment start date - 30 March 2006; Experiment completion date - 06 April 2006; Study completion date - 13 July 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential thermal analysis
Specific details on test material used for the study:
Identity: FAT 40825/A
Batch number: CHU 297 / BOP 04/05
Purity: Organic part (Na-salt): approx. 83.7 %; All coloured components: approx. 80.54 %; Main component: approx. 59.1 %.
Appearance: Solid, black powder
Storage conditions: At room temperature at about 20 °C
Expiration date: December 31, 2010
Boiling pt.:
> 400 °C
Atm. press.:
1 atm
Decomposition:
no
Remarks on result:
other: endothermic reaction could be observed, followed by an exothermic reaction

To confirm the result of the preliminary test, a further DSC run was performed. A test item amount of 8.5 mg was heated up from 25 °C to 400 °C at a rate of 10 °C/min. The same broad endothermic reaction could be observed, followed by an exothermic reaction. After the experiment, the sample had lost about 18 % of its mass and the sample was unchanged in appearance.

Conclusions:
The boiling point of the test material was determined to be above 400 °C.
Executive summary:

The determination of the boiling point / boiling range of the test item was performed according to the EEC Directive 92/69, A.2 "Boiling temperature", December 1992 and to the OECD Guideline No. 103: "Boiling Point", adopted July 27, 1995. To confirm the result of the preliminary test, a further DSC run was performed. A test item amount of 8.5 mg was heated up from 25 °C to 400 °C at a rate of 10 °C/min. The same broad endothermic reaction could be observed, followed by an exothermic reaction. After the experiment, the sample had lost about 18 % of its mass and the sample was unchanged in appearance. In conclusion, FAT 40825/A does not boil under the conditions of the test. The boiling point of the test material was determined to be above 400 °C

Description of key information

The boiling point of the test material was determined to be above 400 °C.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
400 °C

Additional information

The determination of the boiling point / boiling range of the test item was performed according to the EEC Directive 92/69, A.2 "Boiling temperature", December 1992 and to the OECD Guideline No. 103: "Boiling Point", adopted July 27, 1995. To confirm the result of the preliminary test, a further DSC run was performed. A test item amount of 8.5 mg was heated up from 25 °C to 400 °C at a rate of 10 °C/min. The same broad endothermic reaction could be observed, followed by an exothermic reaction. After the experiment, the sample had lost about 18 % of its mass and the sample was unchanged in appearance. In conclusion, FAT 40825/A does not boil under the conditions of the test. The boiling point of the test material was determined to be above 400 °C