2909.49.60.00/Tetraethylene Glycol Dimethyl Ether/Mexico

Tetraethylene Glycol Dimethyl Ether from Mexico

Tetraethylene glycol dimethyl ether (Tetraglyme) used as a polar aprotic solvent in batteries and extractions. While technically a diether, classified under ether-alcohols broadly in HTS 2909.49.60.00 for glycol ether series. Chemically defined per Chapter notes.

Duty Rate — Mexico → United States

5.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Distinguish from hemiacetals by providing IR spectrum showing no O-H stretch

• High boiling point (275°C) requires heat-stabilized packaging for transport

• Document <0.1% water content to maintain chemical stability classification

Tetraethylene Glycol Dimethyl Ether from Mexico — Import Duty Rate | HTS 2909.49.60.00