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Diethylene Glycol Diethyl Ether(C₈H₁₈O₃)：CAS No. :112-36-7, EINECS :203-963-7. 

It is a colorless transparent liquid, is used as oil-water mixed solvent for nitrocellulose and wool printing and dyeing and as extractant for uranium ore, is also a high boiling point reaction medium for organic synthesis solvent, dying agent for fiber and fur, leveling agent for photographic printing, etc.