Diethylene Glycol Monomethyl Ether (Diglyme Solvent) from Canada
Diethylene glycol monomethyl ether (CH3O(CH2CH2O)2H), commonly called diglyme, is a monomethyl ether of diethylene glycol used as a high-boiling solvent in organic synthesis and electronics. Classified under HTS 2909.44.0110 for its chemically defined ether-alcohol structure. It's prized for its aprotic properties and thermal stability.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit NMR or GC-MS spectra verifying the diethylene glycol monomethyl ether structure to confirm Chapter 29 classification
• Declare flash point (96°C) and proper shipping name 'Glycol ether' for DOT compliance during import
• Avoid misclassification by providing evidence it's not a Chapter 38 reactive diluent or paint additive