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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:
May 12, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
other: ASTM D2879 - 97 (2007) Standard Test Method for Vapour Pressure-Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope.
Deviations:
yes
Remarks:
A digital electronic pressure gauge and not a mercury manometer (as stipulated in ASTM D2879 - 97 2007) was used for pressure measurement.
Principles of method if other than guideline:
A digital electronic pressure gauge and not a mercury manometer (as stipulated in ASTM D2879 - 97 2007) was used for vapour pressure measurement.
GLP compliance:
no
Type of method:
isoteniscope
Key result
Temp.:
37 °C
Vapour pressure:
1.13 mm Hg

 

Vapour Pressure at 37oC/

mm Hg

Run 1

1.1

Run 2

1.2

Run 3

1.1

Average

1.13

Conclusions:
A vapour pressure of 1.13 mm Hg at 37 ºC was calculated for 1-[(2-hydroxyethyl)thio]propan-2-ol.
Executive summary:

The ASTM D2879 - 97 Standard Test Method for Vapour Pressure-Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope was followed to determine the vapour pressure of test substance 1-[(2-hydroxyethyl)thio]propan-2-ol. The test substance was determined to have a vapour pressure at 37 ºC of 1.13 mm Hg based on three runs.

Description of key information

The ASTM D2879 - 97 Standard Test Method for Vapour Pressure-Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope was followed to determine the vapour pressure of test substance 1-[(2-hydroxyethyl)thio]propan-2-ol. The test substance was determined to have a vapour pressure at 37 ºC of 1.13 mm Hg (150.654 Pa) based on three runs.

Key value for chemical safety assessment

Vapour pressure:
150.654 Pa
at the temperature of:
37 °C

Additional information