Registration Dossier
Registration Dossier
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EC number: 310-288-2 | CAS number: 161907-78-4 A complex mixture of oxygenated hydrocarbons produced by the distillation of residues from the manufacture of ethylene glycol monoethyl ether. It consists predominantly of a mixture of di-, tri-, tetra- and pentaethylene glycol monoethyl ethers having carbon numbers predominantly in the range C6 to C12 and boiling in the range of approximately 200°C to 300°C (392°F to 572°F).
Surface tension
Administrative data
Link to relevant study record(s)
Description of key information
61.3-61.5mN/m at 20C (1g/l)
Key value for chemical safety assessment
- Surface tension:
- 61.4
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
There is no data available for the surface tension of this substance . There is however information on read across substances that allow extrapolation to predict the surface tension behaviour of this substance. In a guideline study, the a substance consisting of predominantly tri and tetraethylene glycol monobutyl ether was not found to be surface active. A solution of 1g/l in water produced a surface tension of 61.4mN/m at 20C. A study to assess the surface active properties of the substance 2-(2-(2 -methoxyyethoxy)ethoxy)ethanol found that the concentration response curve was not far from ideal (ie the curve was almost linear) indicating that it has very little surface activity. It would be expected from the structure of the ethyl glycol ether series compared to the butyl series that the later would be more likely to have surface active properties. It is therefore conservative to use the measured data from this similar UVCB substance to read across and to derive the key parameter for this end point.
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