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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Conducted at a GLP accredited laboratory to GLP. There is the possibility of some degradation of the test substance, although result is in line with expectations
according to guideline
EU Method A.5 (Surface Tension)
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Surface tension:
34.1 mN/m
20 °C
1 g/L

The calibration factor is determined by measuring the Surface Tension of water and comparing the value obtained in literature. The corrected value is taken from a table compiled on the basis of the Harkins-Jordan correction.

Description of key information

The surface tension is 34.1 mN/m at 20 °C

Key value for chemical safety assessment

Surface tension:
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

The surface tension of the substance was measured in a test conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A5 (ring method) under GLP [Younis S (2010)]. Due to the high solubility of the substance, a concentration of 1 g/L was used. Measurements were made in duplicate. The derived value for surface tension was 34.1 mN/m at 20 °C.