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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
Study completion date - 25 March 1999.
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
GLP compliance:
no
Type of method:
other: Using the calculated boiling point of FAT 40574/A, the vapour pressure was calculated using the Modified Watson Correlation:
Specific details on test material used for the study:
The test article had the following physico-chemical properties:
Name: 40574/B
Batch no: WP 23/PP
Expiry date: 08 February 2006
Storage: At room temperature about 20 degree celsius.
Temp.:
25 °C
Vapour pressure:
ca. 9.95 other: x 10E-22 Pa
Remarks on result:
other: Estimated vapour pressure value.

The vapour pressure of the substance was estimated to be 9.95 x 10E-22 Pa at 25 °C based on the on the boiling point calculated and using the Modified Watson Correlation.

Conclusions:
The vapour pressure was estimated to be 9.95 x 10E.-22 Pa at 25 °C.
Executive summary:

The vapour pressure of FAT 40574/B using a procedure detailed in Commission Regulation (EC) No 440/2008 of 30 May 2008, Part A: Methods for the determination of physico-chemical properties and the OECD Guidelines for Testing of Chemicals. Based on the findings of the study, the vapour pressure of the test item has been calculated to be 9.95 x 10E-22 Pa at 25 °C.

Description of key information

The vapour pressure was estimated to be 9.95 x 10E-22 Pa at 25 °C based on the on the boiling point calculated and using the Modified Watson Correlation. A vapour pressure of 1E-06 Pa is used in the assessment (minimum value for EUSES).

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information