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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
read-across based on grouping of substances (category approach)
Adequacy of study:
supporting study
Study period:
2008-08-28 to 2008-12-04
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: See Remarks
Remarks:
Guideline study, tested with the source substance 68424-31-7 (Tetra-esterification products of C5, C7, C8, C10 fatty acids with pentaerythritol). In accordance to the ECHA guidance document "Practical guide 6: How to report read-across and categories (March 2010)", the reliability was changed from RL1 to RL2 to reflect the fact that this study was conducted on a read-across substance.
Reason / purpose for cross-reference:
read-across source
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: vapour pressure balance
Temp.:
25 °C
Vapour pressure:
0 Pa

Results

 

Run 1

Run 2

Correlation (r):

-0.9774

-0.9964

Slope:

-2312

-3763

Intercept:

3.690

7.595

Vp (Pa) at 25 °C:

8.7 x 10-5

9.4 x 10-6

Description of key information

<0.0001 Pa at 20°C (Q)SAR result.

Key value for chemical safety assessment

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

Additional information