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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:
Start date of the experimental work: 22 August 2014 and Completion date of the experimental work: 09 October 2014.
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
yes
Type of method:
ring method
Surface tension:
71.3 mN/m
Temp.:
20 °C
Conc.:
90 other: % (90% saturated)
Remarks on result:
other: non surface active

Sample preparation and analysis

The sample reacts with water slowly to form a white solid. The sample was shaken for 1 hour to obtain the results.

Surafce tension data:

 Solution age (minutes) Surface tension reading (mN/m) 
    Run 1
 1 71.3 
 10  71.2
 30  71.1
 60  71.2
 120  71.2
 180  71.2
 240  71.2
    Run 2
 1  71.0
 10  71.5
 30  71.5
 60  71.3
 120  71.3
 180  71.3
 240  71.3

result: 71.3 mN.m-1 (mean value)

Conclusions:
Result : 71.3 mN.m-1 (mean value)

Description of key information

The surface tension is 71.3 mN.m-1 (mean value)at 20°C and solution concentration 90% saturated.

Key value for chemical safety assessment

Surface tension:
71.3

Additional information