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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:
30/03/2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
GLP study performed using an accepted method
Qualifier:
according to
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling Point/Boiling Range)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Appearance/Physical state: Yellow liquid
Batch: 1721964
Purity: 99.0%
Expiry date: 08 April 2016
Storage conditions: Room temperature, in the dark
Key result
Boiling pt.:
ca. 208 °C
Atm. press.:
101.2 kPa
Decomposition:
ambiguous

The thermographic data for determinations 1 and 2 are shown in the following table:

Thermal Event

Interpretation

Onset Temperature

Determination 1 (ºC)

Determination 2 (ºC)

Endotherm

Boiling with possible decomposition

207.48

207.60

 

After heating to 400 °C, the residues had lost approximately 92% and 100% of their original weight for Determinations 1 and 2, respectively.

Mean boiling point: 208 ± 1.0 °C (481 ± 1.0 K)

Atmospheric pressure: 101.2 kPa

The presence of a light amber stain as the residue on the crucible base after the test was attributed to possible decomposition during boiling.

Conclusions:
The boiling point of the test item has been determined to be 208 ± 1.0 °C (481 ± 1.0 K) at 101.2 kPa.
Executive summary:

The boiling point of the test item was determined to be 208 ± 1.0 °C (481 ± 1.0 K) at 101.2 kPa by differential scanning calorimetry, using a procedure designed to be compatible with Method A.2 Boiling Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 103 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

Description of key information

The boiling point of the test item was determined to be 208 ± 1.0 °C (481 ± 1.0 K) at 101.2 kPa by differential scanning calorimetry, using a procedure designed to be compatible with Method A.2 Boiling Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 103 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
208 °C

Additional information

The presence of a light amber stain as the residue on the crucible base after the test was attributed to possible decomposition during boiling.