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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:
29.07.-04.08.2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
not performed according to GLP
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
GLP compliance:
no
Type of method:
plate method
Key result
Surface tension:
72.76 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Remarks on result:
other: Temperature during the test was not reported, however standard temperature (20°C) can be assumed.

Result: σ1 = 72.77 mN/m, σ2 = 72.81 mN/m, σ3 = 72.71 mN/m (No time dependence observed within 360 s)

σ = 72.76 mN/m

Conclusions:
Surface tension σ = 72.76 mN/m

Description of key information

Surface tension σ = 72.76 mN/m

Key value for chemical safety assessment

Surface tension:
72.76
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

The surface tension is determined using the Wilhelmy plate method according to OECD guideline 115 (based on ISO 304-1985) and regulation (EC) No. 440/2008, A.5.


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