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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:
From 17 June 2016 to 13 September 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Study was conducted in accordance with EU, OECD, and US EPA test guidelines in an accredited GLP laboratory.
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
May 31, 2008.
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
July 27, 1995.
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
Version / remarks:
August 1996.
Deviations:
not specified
GLP compliance:
yes
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Purity/composition correction factor: No correction factor required
Test item handling: No specific handling conditions required
Key result
Remarks on result:
not determinable
Remarks:
Boiling of the test item was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test item has no boiling temperature.

Reaction and/or decomposition of Hepteen Base® was observed during DSC experiments at temperatures of > 200°C (> 473K). Boiling of the test item was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test item has no boiling temperature.

Conclusions:
Reaction and/or decomposition of Hepteen Base® was observed during DSC experiments at temperatures of > 200°C (> 473K). Boiling of the test item was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test item has no boiling temperature.
Executive summary:

A study was conducted to determine the boiling point/range of Hepteen Base® using differential scanning calorimetry (DSC). Study was conducted in accordance with test guidelines in a GLP accredited laboratory:

 

European Community (EC), EC no. 440/2008, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.2: “Boiling Temperature”, Official Journal of the European Union no. L142, May 31, 2008.

Organization for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals no. 103: "Boiling Point", July 27, 1995.

United States Environmental Protection Agency (EPA), Product Properties Test Guidelines no. OPPTS 830.7220: "Boiling Point/Boiling Range", August 1996.

 

In the preliminary experiment from 200°C upwards the weight of the sample decreased significantly. At 311°C the sample weight had decreased by 25%.

After the experiment, an orange/brown residue remained in the sample container (original colour: amber). The change of the colour indicated reaction and/or decomposition of the test item.

Reaction and/or decomposition of Hepteen Base® was observed during DSC experiments at temperatures of > 200°C (> 473K). Boiling of the test item was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test item has no boiling temperature.

 

Description of key information

Boiling of the test item was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test item has no boiling temperature.

 

Key value for chemical safety assessment

Additional information

A study was conducted to determine the boiling point/range of Hepteen Base® using differential scanning calorimetry (DSC). Study was conducted in accordance with test guidelines in a GLP accredited laboratory:

 

European Community (EC), EC no. 440/2008, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.2: “Boiling Temperature”, Official Journal of the European Union no. L142, May 31, 2008.

Organization for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals no. 103: "Boiling Point", July 27, 1995.

United States Environmental Protection Agency (EPA), Product Properties Test Guidelines no. OPPTS 830.7220: "Boiling Point/Boiling Range", August 1996.