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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
The study was conducted between 7 May 2014 and 18 July 2014.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
gas saturation method
Specific details on test material used for the study:
Lot No.: VE00313054
Aspect: Yellow viscous liquid
Temp.:
20 °C
Vapour pressure:
ca. 0.17 Pa
Remarks on result:
other: Aurantiol Pure is a complex reaction mixture. Hydroxycitronellal Synthetic and Methyl Anthranilate are the often most volatile constituents in the reaction mixture and do therefore govern the overall vapour pressure.
Conclusions:
Aurantiol Pure is a complex reaction mixture. Hydroxycitronellal Synthetic and Methyl Anthranilate are the often most volatile constituents in the reaction mixture and do therefore govern the overall vapour pressure.
The partial vapour pressures of Hydroxycitronellal Synthetic and Methyl Anthranilate Extra at 20°C were calculated from the average headspace concentration.
The partial vapour pressures are added to obtain the total vapour pressure of Aurantiol Pure.
Therefore the vapour pressure of Aurantiol Pure is 0.17 Pa at 20°C.
Executive summary:

The vapour pressure of Aurantiol Pure was determined using the gas saturation method according to Method A4 Vapour Pressure of Commission Regulation (EC) No 440/2008 and Method 104 of the OECD Guidelines for Testing of Chemicals. The vapour pressure of Aurantiol Pure is 0.17 Pa at 20°C.

Description of key information

The vapour pressure of Aurantiol Pure has been determined to be 0.17 Pa at 20 °C, using the Gas Saturation method designed to be compatible with Method A4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.

Key value for chemical safety assessment

Vapour pressure:
0.17 Pa
at the temperature of:
20 °C

Additional information

Aurantiol Pure is a complex reaction mixture. Hydroxycitronellal Synthetic and Methyl Anthranilate are the most volatile constituents in the reaction mixture and therefore govern the overall vapour pressure. The partial vapour pressures of Hydroxycitronellal Synthetic and Methyl Anthranilate Extra at 20°C were calculated from the average headspace concentration (0.06Pa and 0.11Pa respectively) and added to obtain the total vapour pressure of Aurantiol Pure.