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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
yes
Type of method:
ring method
Key result
Surface tension:
71.1 mN/m
Temp.:
20 °C
Conc.:
2.8 mg/L
Conclusions:
Surface tension: 71.1 mN/m at 20°C
Executive summary:

When tested according to OECD guideline 115 and EU method A.5, the surface tension of the test substance at 20°C was 71.1 mM/m, i.e., it is not surface active.

Determination 1: 71.3 mN/m

Determination 2: 70.2 mN/m

Determination 3: 69.5 mN/m

Determination 4: 70.5 mN/m

Mean: 70.4 mN/m (Corrected by calibration factor of 1.01 = 71.1 mN/m).

Description of key information

OECD Guideline 115

Key value for chemical safety assessment

Surface tension:
71.1
in mN/m at 20°C and concentration in mg/L:
2.8

Additional information