Registration Dossier
Registration Dossier
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EC number: 405-800-7 | CAS number: 27955-94-8
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
The surface tension of a 90% saturated aqueous solution of the test substance was 71.6 mN/m at 25.5°C.
Key value for chemical safety assessment
Additional information
The surface tension of a test substance 90% saturated aqueous solution was determined according to EEC Directive 67/548, Annex V, A5. The test was performed with a direct reading surface tension/torsion balance using the OECD harmonised ring method. An aqueous solution of test substance with 90% of saturation was prepared using a saturated test solution and water. A small amount of the calibration water or test solution was poured into the concave measuring dish. The surface tension was measured at intervals until a constant reading was obtained successively. Readings were taken at the maximum force required to detach the ring from the surface of the liquid. The surface tension of a 90% saturated aqueous solution of the test substance was 71.6 mN/m at 25.5°C.
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