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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 December2015 to 08 March 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study according to the guideline 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:
74.8 mN/m
Temp.:
20 °C
Conc.:
1 g/L

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

16

72.0

72.61

74.8

2

17

72.6

 

 

3

18

72.6

 

 

4

19

72.7

 

 

5

20

72.5

 

 

6

21

72.5

 

 

 

 

 

 

 

1 Mean calculated from measurements 2 to 6, after equilibrium was reached.

Conclusions:
The surface tesnsion of the substance is 74.8 mN/m. The substance is not surface active
Executive summary:

In a harmonized ring test acoording to OECD 115, the substance was found to be not surface active. The measured surface tension is 74.8 mN/m (corrected).

Description of key information

In a harmonized ring test acoording to OECD 115, the substance was found to be not surface active. The measured surface tension is 74.8 mN/m.

Key value for chemical safety assessment

Surface tension:
74.8
in mN/m at 20°C and concentration in mg/L:
206

Additional information