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Physical & Chemical properties

Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 29 August 2012 to 02 October 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognised method, and under GLP. No deviation was reported. Substance ID is adequately specified with purity and isomers composition. Therefore full validation applies.
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Qualifier:
according to
Guideline:
EU Method A.2 (Boiling Temperature)
GLP compliance:
yes (incl. certificate)
Remarks:
UK GLP Compliance Programme (inspected on 10 July 2012 / signed on 30 Nov. 2012)
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
- Storage condition of test material: room temperature, in the dark.
Key result
Boiling pt.:
243 °C
Atm. press.:
101.9 kPa

 Determination  Onset temperature (°C)  Atmospheric pressure (kPa)
 1  243.63  101.9
 2  242.29  101.9

The boiling point depends on the atmospheric pressure. A correction to normalized pressure can be made, but the correction factor is a specific parameter for each test item and has to be determined individually. As this determination is beyond the scope of this study, no correction will be applied to the boiling point observed. The boiling temperature is stated with regard to the ambient pressure during measurement.

No visible residue was observed.

Executive summary:

The boiling point of the test substance was measured under GLP according to OECD 103 / EU A2 guideline, DSC method.

Two runs were performed, individual results were found to fall within accuracy, therefore the mean value is retained.

The boiling point of the test substance is 243°C under 101.9 kPa.

Description of key information

Boiling point under 101.9 kPa, not corrected for normal atm.P (but very close to).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
243 °C

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study, and the result is retained as key data for purpose of CSA.