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Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-09-13 to 2017-09-14
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose:
reference to same study
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
signed 2017-02-28
Type of method:
OECD harmonised ring method
Surface tension:
57.39 mN/m
Temp.:
20 °C
Conc.:
90 vol%
Remarks on result:
other: SD: ± 0.61 mN/m

Value No.

1st Measurements

(25 min after preparing the solution)

σ [mN/m]

2nd Measurement

(55 min after preparing the solution)

σ [mN/m]

1

57.29

57.68

2

57.27

57.65

3

57.22

57.62

4

57.11

57.60

5

57.04

57.57

6

57.00

57.55

Mean value of the

individual values

57.16 ± 0.12

57.61 ± 0.05

Total mean value

57.39 ± 0.61

The test item has a mean surface tension of 57.39 mN/m. Thus, the test item is to be regarded as surface active.

Conclusions:
According to OECD Test Guideline 115 and Regulation EC No. 440/2008 Part A Method A.5. the surface tension at 20 °C of test item Barium 4-dodecylphenolate was determined to be:
σ = 57.4 mN/m
According to Regulation EC No. 440/2008 Part A Method A.5. the test item is to be regarded as surface active material.

Description of key information

Barium 4-dodecylphenolate is to be regarded as surface active material σ = 57.4 mN/m.

Key value for chemical safety assessment

Surface tension:
57.4

Additional information

According to OECD Test Guideline 115 and Regulation EC No. 440/2008 Part A Method A.5. the surface tension at 20 °C of test item Barium 4-dodecylphenolate was determined to be: σ = 57.4 mN/m. The test item is to be regarded as surface active material.