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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Surface tension

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surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
- EEC Directive 92/69, A.5
not specified
GLP compliance:
Type of method:
ring method
Key result
Surface tension:
70.4 mN/m
20 °C
90 vol%
Remarks on result:
other: 90% saturation concentration

Based on the criteria as outlined in the OECD Guideline the test substance is not a surface active substance.

The surface tension of test substance was determined to be 70.4 mN/m at 20°C of 90vol% of saturation concentration
Executive summary:

In this guideline (OECD 115) study conducted to GLP standards, the test material (EC 438-340-0) was determined to have a surface tension of 70.4 mN/m at 20°C of 90vol% of saturation concentration.

Description of key information

Study conducted to recognised testing guidelines with GLP.

Key value for chemical safety assessment

Surface tension:

Additional information

70.4 mN/m at 20°C (90vol% of saturation concentration)

The measurement was using the ring method.

Based on the criteria as outlined in the Guideline it is concluded that the test substance should not be regarded as being surface-active material