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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:
24 December 2015 to 22 March 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study under GLP
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
GLP compliance:
yes
Type of method:
OECD harmonised ring method
Key result
Surface tension:
ca. 37.2 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Surface tension of the test item

Measurement

Time passed after transfer test solution to test vessel [minutes]

Surface tension [mN/m]

 

 

 

 

individual

mean

mean multiplied by Φband Harkins-Jordan corrected value

1

15

37.9

37.9

37.2

2

16

37.8

 

 

3

17

38.0

 

 

4

18

37.8

 

 

5

19

38.1

 

 

Conclusions:
The substance is surface active
Executive summary:

The surface tension of the substance was measured using the OECD harmonised ring method. The substance is considered surface active with a surface tension of 37.2 mN/m.

Description of key information

The surface tension of the substance was measured using the OECD harmonised ring method. The substance is considered surface active with a surface tension of 37.2 mN/m.

Key value for chemical safety assessment

Surface tension:
37.2
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information