Elemental Phosphorus for Organic Synthesis from Mexico
Distilled elemental phosphorus used as a reagent in organic chemical synthesis, such as for phosphonium salts. Classified in HTS 2804.70.00.00 as it remains chemically defined elemental nonmetal per Chapter 28 notes.
Duty Rate — Mexico → United States
10%
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
• Exclude organo-phosphorus compounds which fall under Chapter 29
• Use nitrogen-purged containers to prevent oxidation
• Label with GHS pictograms for pyrophoric and toxic hazards