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Physical & Chemical properties

Surface tension

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March 18, 2022 to March 29, 2022
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
conducted under GLP conditions
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ISO 304
Version / remarks:
1985
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ASTM 01331 - 11 Standard Test Methods for Surface and lnterfacial Tension of Solutions of Surface-Active Agents
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Key result
Surface tension:
47.2 mN/m
Temp.:
20 °C
Conc.:
90 vol%

No significant change of the measured surface tension. Thus it can be concluded that equilibrium is reached. Thus the results obtained were averaged to give the surface tension of the solution.


The result is:
Surface tension of a solution of the test substance: 47.2 mN/m
Therefore, according to this test, it was considered that the test material is surface active (surface tension < 60 mN/m).

Conclusions:
Surface tension of a solution of test substance: 47.2 mN/m
Therefore, according to this test, it was considered that the test material is surface active (surface tension< 60 mN/m).
Executive summary:

The surface tension of a solution of the test substance in ultrapure water was determined according to the OECD Guideline No. 115, using the ring method.
The result is: 47.2 mN/m.
Therefore, according to this test, it was considered that the test material is surface active (surface tension< 60 mN/m).

Description of key information

The surface tension of a solution of the test substance in ultrapure water was determined according to the OECD Guideline No. 115, using the ring method.
The result is: 47.2 mN/m.
Therefore, according to this test, it was considered that the test material is surface active (surface tension< 60 mN/m).

Key value for chemical safety assessment

Surface tension:
47.2

Additional information