Hydroquinone Monomethyl Ether (MEHQ) from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• ppm concentration specifications critical for end-use
• Light-sensitive - stable packaging declarations needed
• Purity >98% prevents stabilizer classification