Hydroquinone Monomethyl Ether (MEHQ) from Canada
MEHQ is a monophenol ether used as polymerization inhibitor, classified HTS 2907.19.80.00. Protects acrylic monomers during storage. Chemically defined inhibitor meeting Chapter 29 criteria.
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
• ppm concentration specifications critical for end-use
• Light-sensitive - stable packaging declarations needed
• Purity >98% prevents stabilizer classification