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Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11/08/2017 - 21/11/2017
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:
yes (incl. QA statement)
Type of method:
ring method
Specific details on test material used for the study:
Batch Nº: 17F-1069978
Key result
Surface tension:
ca. 70.2 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Conclusions:
The mean of two measurements of the aqueous surface tension of the test item found it to be 70.2 mN/m at 19.9 ºC and 1 g/L. As the surface tension was greater than 60 mN/m under the conditions of this method, the test item is not regarded as being a surface-active material according to Council Regulation (EC) Nº 440/2008.
Executive summary:

The mean of two measurements of the aqueous surface tension of the test item found it to be 70.2 mN/m at 19.9 ºC and 1 g/L. As the surface tension was greater than 60 mN/m under the conditions of this method, the test item is not regarded as being a surface-active material according to Council Regulation (EC) Nº 440/2008. Testing was performed to EC method A.5 and OECD 115.

Description of key information

The mean of two measurements of the aqueous surface tension of the test item found it to be 70.2 mN/m at 19.9 ºC and 1 g/L. As the surface tension was greater than 60 mN/m under the conditions of this method, the test item is not regarded as being a surface-active material according to Council Regulation (EC) Nº 440/2008. Testing was performed to EC method A.5 and OECD 115.

Key value for chemical safety assessment

Surface tension:
70.2
in mN/m at 20°C and concentration in mg/L:
1

Additional information