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Physical & Chemical properties

Surface tension

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Description of key information

The surface tension of the test item at two different loading rates was determined using Method A5 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC). The results are shown in the discussion section.

Key value for chemical safety assessment

Additional information

Surface Tension:

The surface tension of the test item at two different loading rates was determined using Method A5 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC). The results are shown in the following table:

Loading Level (g/l)

(As Test Item)

Surface Tension Result (mN/m)

Temperature (°C)

10

38.7

22.5 ± 0.5

1

42.5

22.0 ± 0.5

The concentrations of the individual components corrected for percentage composition are shown in the following table:

Loading level (g/l)

(As Test Item)

Component

Corrected Solution Concentration (g/l) Calculated Using Distribution Stated in Section 2.2 of this Report

10 g/l

Active C8

0.335

Active C10

0.462

Active C12

2.12

Active C14

0.447

Active C16

0.270

Active C18

0.101

1 g/l

Active C8

5.84 x 10-2

Active C10

4.11 x 10-2

Active C12

0.227

Active C14

7.75 x 10-2

Active C16

3.61 x 10-3

Active C18

5.66 x 10-4

The test item is considered to be a surface-active material.