Registration Dossier
Registration Dossier
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EC number: 309-886-6 | CAS number: 101316-84-1 A tar obtained from low temperature carbonization and low temperature gasification of brown coal. Composed primarily of aliphatic, naphthenic and cyclic aromatic hydrocarbons, heteroaromatic hydrocarbons and cyclic phenols.
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
Method A.5 Surface tension, Council Regulation (EC) No.440/2008, Published in O.J. L 142, 2008, using the OECD harmonized ring method for the measurement (Part 1.6.4.)
Key value for chemical safety assessment
- Surface tension:
- 47.6
Additional information
The surface tension of the test substance was measured by ring method with Surface tensiometer, type 20 (Cole Parmer).
The test substance - Tar, brown-coal, low-temp.- at apparent test concentration of 90 % of the saturation solubility of the substance in water shows corrected surface tension of 47.6 mN/m at 20°C(± 0.1 °C).
As the surface tension is lower than 60 mN/m, test substance should be regarded as a surface-active material.
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