Phosphorus Trichloride (PCl3) from Canada
Phosphorus trichloride (PCl3) is a fuming, colorless liquid essential for organophosphorus compounds, classified in HTS 2812.19.00.90 as 'other' chlorides of nonmetals. It adheres to Chapter 28 definitions excluding organo-inorganic compounds.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Require stabilizer declarations to prevent polymerization; use nitrogen-padded containers
• File EPA Form R for toxic release inventory; pitfall is ignoring hydrolyzable chloride calculations
• Batch test for arsenic impurities per pharmacopeia standards