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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:
21 Feb 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: NF EN 14370 (Agents de surface - Détermination de la tension superficielle)
Version / remarks:
2004 / Replace NF ISO 304:1987 (Included in OECD 115)
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
GLP compliance:
no
Type of method:
plate method
Remarks:
Wilhelmy plate method
Surface tension:
ca. 29.89 mN/m
Temp.:
25 °C
Remarks on result:
other: The surface tension was measured on the pure liquid product

Testing number

Surface tension (mN/m}

1

30.00

2

29.94

3

29.96

4

29.94

5

29.96

6

29.96

7

29.96

8

29.96

9

29.93

10

29.24

Average

29.89

Standard deviation

0.23 (n=10)

 

The surface tension of the test item is 29.89 mN/m with a standard deviation of 0.23 mN/m.

Description of key information

Surface tension at 25 °C = 29.89 ± 0.23 mN/m (NF EN 14370, Wilhelmy plate method)

Key value for chemical safety assessment

Surface tension:
29.89

Additional information

The surface tension was measured at room temperature (around 25 °C) on the pure liquid product.