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Physical & Chemical properties

Vapour pressure

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vapour pressure
Type of information:
experimental study
read-across from supporting substance (analogue or surrogate)
Adequacy of study:
key study
Study period:
From July 04,2010 to July 05,2010
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Well described GLP compliant study conducted to recognized international test guidelines
according to guideline
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
Type of method:
static method
Specific details on test material used for the study:
Fatty acids, C6-24 and C6-24-unsatd., Me esters, distn. residues- Physical state: black , brown semisolid- Analytical purity:100% - Storage condition of test material: room temperature- Solubility: < 10% in water, soluble in acetone, hexane and dichloromethane
Key result
ca. 20 °C
Vapour pressure:
ca. 4.2 Pa
The test item has a vapour pressure of 4.2 Pa (4.2 x 10^-2 mbar) at 20 °C according to the definition in the OECD Guideline 104 (Grain-Watson estimation).
Executive summary:

The vapour pressure of the test item was determined in accordance with the test method OECD Guideline 104 “OECD Guideline For The Testing Of Chemicals, adopted by the Council on 23 l\/larch 2006, Vapour Pressure" (similar to the test method A.4. "Vapour Pressure according to the Dynamic Method" as described in the Official Journal ofthe European Communities L383A).

Description of key information

4.2 Pa (4.2 x 10^-2 mbar) at 20 °C 

Key value for chemical safety assessment

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

Additional information

The test item has a vapour pressure ofs 4.2 Pa (4.2 x 10^-2 mbar) at 20 °C according to the definition in the OECD Guideline 104 (Grain-Watson estimation).