Stabilized Diethyl Ether from Canada
Diethyl ether with added BHT stabilizer to prevent peroxide formation during storage/transport. Permitted under Chapter 29 note (f) as stabilizer necessary for preservation; remains classified as 2909.11.00.00.
Duty Rate — Canada → United States
11%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document stabilizer type/concentration; BHT typically 0.001-0.01%, ethanol not permitted
• Peroxide test strips must accompany shipment showing <0.001% peroxides
• Avoid antioxidant levels suggesting specific industrial formulation (reclassifies to 3824)