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Physical & Chemical properties

Surface tension

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Description of key information

Surface active
35.1 mN/m at 25 °C

Key value for chemical safety assessment

Additional information

A test with a similar substance shows that mono- and diesters of glycerol reduce the surface tension (ST) of water significantly:

ST water: 72.75 mN/m at 20 °C

ST of 90% saturated solution with C8 -10 mono- and diglycerol: 35.1 mN/m at 25 °C

The given result show a maximum value for glycerol esters with a water solubility >1 mg/L as the most soluble substance was chosen for testing (45 -46 mg/L at 20 °C, Glycerides, C8 -10, mono- and di-, CAS 85536 -07 -8). The substance Glycerides, C12 -18 di- and tri- (CAS 91744 -28 -4) shows a water solubility of 4 -7 mg/L at 20 °C.