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EC number: 469-910-7 | CAS number: 847842-48-2
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
A study conducted on the reference substance (White & Mullee, 2007) concluded that the surface tension of a 1.00 g/L solution to be 70.6 mN/m at 22.4 ± 0.5°C. The test material is considered not to be a surface-active material.
Key value for chemical safety assessment
Additional information
The determination was carried out using a White Electrical Institute interfacial tension balance and a procedure based on the ISO 304 ring method. With the exception of the following deviation, the experimental procedure used complied with that specified in Method A5 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).
1) The surface tension result was not corrected using the Harkins-Jordan correction table as the correction is not applicable to the apparatus used. Once calibrated, the balance and ring assembly used in this test give a direct reading for surface tension that is within the required accuracy (± 0.5 mN/m); this is as a result of the reduced ring dimensions.
This deviation has been considered not to have affected the integrity of the study.
The surface tension of a 1.00 g/L solution of test material has been determined to be 70.6 mN/m at 22.4 ± 0.5°C. The test material is considered not to be a surface-active material.
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