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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:
28-01-2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Principles of method if other than guideline:
ISO 304, ring method
GLP compliance:
no
Type of method:
ring method
Key result
Surface tension:
71.8 mN/m
Temp.:
20 °C
Conc.:
2.2 mg/L

Triple Measurement:





























 1st2nd3rd
Srface tension of test material [mN/m]71.871.871.8
Temperature [°C]202020
Atmospheric pressure [mbar]101810181018
Conclusions:
2 -butyloctanoic acid was determined according ISO 304. The surface tension was determined to be 71.8 mN/m154 °C at atmospheric pressure and room temperature.

Description of key information

Key value for chemical safety assessment

Surface tension:
71.8
in mN/m at 20°C and concentration in mg/L:
2.2

Additional information

At a concentration of 2.2 mg/L the surface tension is 71.8 mN/m at 20 °C.