Anhydrous Tetrahydrofuran (THF) Stabilized with BHT from Mexico
Anhydrous THF with butylated hydroxytoluene (BHT) stabilizer prevents peroxide formation during storage and transport. Classified under HTS 2932.11.00.00 per Chapter note (f) allowing stabilizers necessary for preservation without changing the compound's nature. Used in Grignard reactions and organometallic synthesis.
Duty Rate — Mexico → United States
13.7%
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
• Include stabilizer concentration in SDS; test for peroxides before import storage
• Pitfall: Failing to declare as peroxide-forming chemical triggers additional DOT scrutiny