Registration Dossier
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EC number: - | CAS number: -
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
Surface tension = 53.0 mN/m at 25.0°C ± 0.5°C in a 1.01 g/L solution, EU Method A5, Butler & white (2008).
Key value for chemical safety assessment
- Surface tension:
- 53
- in mN/m at 20°C and concentration in mg/L:
- 1 010
Additional information
In the key study Butler & White (2008), the surface tension of the test material was determined under GLP conditions according to EU Test Method A5. However, the determination was carried out using a White Electrical Institute interfacial tension balance and a procedure based on the ISO 304 ring method. 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 study was assigned a reliability score of 1 in line with the principles for assessing data quality as defined by Klimisch (1997) et al.
Under the conditions of the test, the surface tension of a 1.01 g/L solution of test material has been determined to be 53.0 mN/m at 25.0°C ± 0.5°C. The test material is considered to be a surface-active material.
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