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Physical & Chemical properties

Boiling point

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Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12/2007 to 03/2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Remarks:
The study was conducted according to an internationally recognised method. The substance is adequately defined (with certificate of analysis). However, some experimental data are missing. Therefore validation applies with restrictions.
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
299.5 °C
Remarks on result:
other: accuracy: +/-0.5 °C

No data on individual measurements (at least two repetitions required).

AtmP not recorded, but assumed to be ambient.

Executive summary:

According to OECD guideline, DSC method, the boiling point of the test material was measured at a temperature of 299.5 °C.

Endpoint:
boiling point
Type of information:
not specified
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
Despite data comes from a handbook, please note that the source is cited among "reference books containing peer reviewed physico-chemical data" in the ECHA guidance document on information requirements (R7a). Therefore it will be considered as reliable, with the restriction that no purity is stated.
Reason / purpose:
reference to other study
Principles of method if other than guideline:
No data
Boiling pt.:
286 °C
Atm. press.:
101 325 Pa

Normal boiling point (referred to 101.325 kPa or 760 mm Hg pressure)

Executive summary:

A chapter of the peer-reviewed CRC Handbook of Chemistry and Physics (2009) is dedicated to physical constants of organic compounds. A normal boiling point of 286°C is provided.

Description of key information

Measured b.p. ca 299°C (atmospheric pressure not specified )

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
299 °C

Additional information

A reliable study, conducted by the registrant according to the OECD guideline, is available. Despite restrictions due to missing details, it is considered as a key study, and the result is retained as key data.

Literature value was not taken into account because of a significant difference (-13.5°C), but this may be due to unspecified purity and atmospheric pressure.