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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
equivalent or similar to guideline
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
GLP compliance:
not specified
Type of method:
plate method
Wilhelmy plate
Specific details on test material used for the study:
- Name of test material (as cited in study report): Grindsted CITREM SP 70-K
- Analytical purity: no data
- Batch No.: 4012745340
- Item No.:172734
Key result
Surface tension:
ca. 28 mN/m
50 °C
0 other: No values for concentration were provided.
Remarks on result:
other: The surface tension was found to be approx. 28 mN/m over a range of 44 – 58 °C.


The surface tension was found to be fairly constant over a range of 40 – 60 °C, with a value of approximately 28 mN/m.

The results indicate that the substance is surface active at these temperatures.

Description of key information

Surface tension: approximately 28 mN/m over a range of 40 – 60 °C (similar to OECD 115).

Key value for chemical safety assessment

Additional information

The surface tension of the substance Glycerides, C16-18 and C18-unsatd. mono- and di-, citrates (CAS 91052-16-3) was determined by the Wilhelmy plate method, equivalent or similar to OECD 115.