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).
Boiling point
Administrative data
Link to relevant study record(s)
Description of key information
Measured or handbook data for 2-(2-(2-ethoxyethoxy)ethoxy)ethanol: 255.8, 256, 256.3, 235-280C @ 760mmHg. QSAR estimate 258C.
QSAR estimate for 3,6,9,12-tetraoxatetradecan-1-ol: 306C.QSAR estimate for 3,6,9,12-tetraoxatetradecan-1-ol: 306C.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 256 °C
Additional information
A number of values are available for the boiling point of one of the main components of this UVCB substance, 2-(2-(2-ethoxyethoxy)ethoxy)ethanol, indicating a boiling point of around 256C. A reliable QSAR predicts the boiling point to be 258C, suggesting that the model is accurate for this type of compound. The same QSAR predicts the boiling point of the other main component, 3,6,9,12-tetraoxatetradecan-1-ol would be around 306C. On the justified assumption that the boiling point is likely to be dominated by the main component with the lowest boiling point, the value for 2-(2-(2-ethoxyethoxy)ethoxy)ethanol is selected as the key parameter for this end point.
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