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Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
May - Sept 2012
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
GLP compliance:
no
Other quality assurance:
other: ISO 9001
Type of method:
ring method
Surface tension:
72.4 mN/m
Temp.:
20 °C
Conc.:
0.02 mg/L
Remarks on result:
other: See additional information below

The surface tension of the test substance does not have to be reported because the solubility was determined to be < 1 mg/L.

The surface tension of the supernatant (<1 mg/L test substance) is 72.4 mN/m. This is an insignificant decrease from the surface tension of water at 20.0°C. The test solution is water clear and less than 200 mPa s (200 centipoise). 

Conclusions:
The surface tension of the test substance does not have to be reported because the solubility was determined to be < 1 mg/L.
The surface tension of the supernatant (<1 mg/L test substance) is 72.4 mN/m. This is an insignificant decrease from the surface tension of water at 20.0°C. The test solution is water clear and less than 200 mPa s (200 centipoise). 

Description of key information

The surface tension of the test substance does not have to be reported because the solubility was determined to be < 1mg/L.

Key value for chemical safety assessment

Additional information

The surface tension of the supernatant (<1 mg/L test substance) is 72.4 mN/m. This is an insignificant decrease from the surface tension of water at 20.0°C. The test solution was water clear and less than 200 mPa s (200 centipoise).

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