3-Morpholinone, 4-phenyl-

Surface tension

Administrative data

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

other information

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2006

Report date:

2006

Materials and methods

Test guideline

Test guideline 1

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.5 (Surface Tension)

Test guideline 2

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Principles of method if other than guideline:

First the correction factor 1 was determined. In this case the surface tension of demineralized water was determined. The value cited in the literature for the surface tension of water was devided by the measured value of the surface tension of water. In this case a correction factor at 0.960 was calculated.
For the analysis a solution of the test substance in a concentration of 1.0 g/l was prepared.
This solution was agitated with a magnetic stirrer for one days at ambient temperature.
The surface tension of this solution (conc. 1.0 g/l of the test substance in demineralized water) was determined at 20°C by the ring tensiometer method.
An automatic tensiometer with a built-in evaluation unit was used. A software program performed the necessary corrections. The sample was tempered at 20°C. Then the automatic measurement was initiated. The first value was measured after 4 minutes and 9 seconds.
The measurement was complete after 1 hour and 18 minutes. The received value was corrected by two factors, first with the correction factor 1 (Quotient from experimentally value of water and cited literature value) and second ba the Harkins and Jordan correction, as cited in the OECD Guideline.

GLP compliance:

yes (incl. QA statement)

Type of method:

ring method

Test material

Test material information

Constituent 1

Reference substance name:

4-phenylmorpholin-3-one

EC Number:

608-371-6

Cas Number:

29518-11-4

Molecular formula:

C10 H11 N O2

IUPAC Name:

4-phenylmorpholin-3-one

Details on test material:

Batch no.: BXR2Z1A

Results and discussion

Surface tension

Surface tension 1

Surface tension:

72.19 mN/m

Remarks on result:

other: Value after second correction (Harkins and Jordan) was calculated.

Surface tension 2

Surface tension:

72.16 mN/m

Temp.:

20 °C

Conc.:

1 g/L

Remarks on result:

other: Value after first correction.

Applicant's summary and conclusion

Executive summary:

First the correction factor 1 was determined. In this case the surface tension of demineralized water was determined. The value cited in the literature for the surface tension of water was devided by the measured value of the surface tension of water. In this case a correction factor at 0.960 was calculated. For the analysis a solution of the test substance in a concentration of 0.1 g/l was prepared. This solution was agitated with a magnetic stirrer for one days at ambient temperature. The surface tension of this solution (conc. 0.1 g/l of the test substance in demineralized water) was determined at 20°C by the ring tensiometer method. An automatic tensiometer with a built-in evaluation unit was used. A software program performed the necessary corrections. The sample was tempered at 20°C. Then the automatic measurement was initiated. The first value was measured after 4 minutes and 9 seconds. The measurement was complete after 1 hour and 18 minutes. The received value was corrected by two factors, first with the correction factor 1 (Quotient from experimentally value of water and cited literature value) and second ba the Harkins and Jordan correction, as cited in the OECD Guideline.

The surface tension of the test substance is σ = 72.19 mN/m.