Stabilized Dimethyl Propylphosphonate for Transport from Mexico
Dimethyl propylphosphonate with added stabilizer for safe long-distance transport, compliant with Chapter 29 note 2(f). Used in synthesis of specialty polymers; classified under HTS 2931.42.00.00.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document stabilizer as 'necessary for preservation' with <1% concentration; avoid emetics/colorants that trigger note 2(g) exclusions