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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).
There is no biodegradation information available for the UVCB substance
itself. However, ta major component of thesubstance, 2 -(2 -(2
-ethoxyethoxy)ethoxy)ethanol ,was found to be readily biodegradable in a
guideline study in freshwater where the BOD28 was 92.1%. The
biodegradation was also assessed at a number of concentrations using a
non-adapted domestic sewage innoculum in a freshwater medium. Ready
degradation was observed with a BOD20 of 71%. In a single study in
saltwater using the same substance, evidence of biodegradation was seen
with 22% degradation after 20 days. A reliable QSAR predicts that both
this substance and the other major component,
3,6,9,12-tetraoxatetradecan-1-ol ,will be readily biodegradable. The
available data leads to a reliable conclusion that
3,6,9,12-tetraoxatetradecan-1-ol will be readily biodegradable. Please
see the read across justification attached to chapter 13 of the lead
registrant dossier for further information on read across within the E
series of glycol ethers.
The substance has a low octanol-water partition coefficient (log Kow =
-0.7) and and is fully miscible in water. Based on these physical
chemical properties, if released to water, the compound will remain in
the water compartment. The substance has low potential for adsorption to
soil or sediment.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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