Elemental Phosphorus for Organic Synthesis from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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