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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 17, 2016 to October 19, 2016
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)
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
GLP compliance:
no
Remarks:
The study described in this report was conducted in a facility which operates in accordance with Good Laboratory Practice principles, however no claim of GLP compliance was intended nor is made for this study.
Type of method:
effusion method: vapour pressure balance
Specific details on test material used for the study:
Identification: Butyl Phenyl Ether
Appearance/Physical state: clear colorless liquid
Batch: 22466
Purity: 99.41%
Expiry date: 25 April 2018
Storage conditions: room temperature in the dark
Key result
Temp.:
25 °C
Vapour pressure:
84 Pa
Remarks on result:
other: The vapor pressure is based on the mean value of 1.92 for the 5 runs conducted.

The values of vapor pressure at 25 °C extrapolated from each graph are summarized in the following table:

Summary of Vapor Pressure Data

Run

Log10[Vp(25 °C)]

1

1.95

2

1.90

3

1.89

4

1.96

5

1.91

Mean

1.92

Vapor Pressure

83.8

Discussion:

The test item did not change in appearance under the conditions used in the determination.

A total of 5 runs were completed for the main sequence. Equilibrium with regard to vapor pressure was assessed to have been reached over the 5 runs. Thus all 5 runs have been used

to calculate the definitive vapor pressure value for the test item.

The results may represent rounded-off values obtained by calculations based on the exact raw data.

Conclusions:
The vapor pressure of the test item has been determined to be 84 Pa at 25 ºC.
Executive summary:

The vapor pressure of Butyl Phenyl Ether has been determined to be 84 Pa at 25 °C, using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure

of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.

Description of key information

Key value for chemical safety assessment

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

Additional information

The vapor pressure of Butyl Phenyl Ether has been determined to be 84 Pa at 25 °C, using the vapor pressure balance method, designed to be compatible with Method A.4 Vapour Pressure

of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.