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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
no
Type of method:
gas saturation method
Temp.:
100 °C
Vapour pressure:
< 0 hPa
Transition / decomposition:
no
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
abstract
Principles of method if other than guideline:
company data, no information is given on test method
GLP compliance:
not specified
Type of method:
other: not specified
Temp.:
20 °C
Vapour pressure:
< 0.01 hPa
Endpoint:
vapour pressure
Type of information:
(Q)SAR
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
EPI Suite 3.12 result, cited in a database
Principles of method if other than guideline:
Calculation based on MPBPWIN , Estimation Programs Interface Suite™ for Microsoft® Windows v3.12. US EPA, United States Environmental Protection Agency, Washington, DC, USA.
GLP compliance:
no
Type of method:
other: QSAR
Specific details on test material used for the study:
SMILES: CCCCCCCCCCCCCCCCCCCCCC(=O)O
Temp.:
25 °C
Vapour pressure:
0 mm Hg
Remarks on result:
other: 9.53 E-8 hPa

Description of key information

< 6.6E-03 Pa at 100 °C
9.53E-06 Pa at 25 °C (calc.)

Key value for chemical safety assessment

Additional information

The vapour pressure of the substance was determined by a gas saturation method according to OECD Guideline 104 and by an appropriate calculation method. Available data from one company is of non-assignable reliability and the precision is very low: < 0.01 hPa (= 1 Pa) at 25 °C. As an organic substance with a long alkyl chain (C22), the substance is non-volatile.