Mixed C4-C6 Alcohol Antifoam from Mexico
Blend of butanol, hexanol for foam control in fermentation tanks. All C11-lower acyclic monohydric alcohols qualify for HTS 3824.99.9310 classification as NES chemical preparation.
Duty Rate — Mexico → United States
15%
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
• Fermentation compatibility certificates prevent food contact issues
• Blend ratio analysis via NMR confirms C11-lower compliance
• Biostatic claims require EPA registration if antimicrobial