Triammonium Phosphate Anhydrous Powder from Canada
Anhydrous (NH4)3PO4 fine powder for pharmaceutical buffering and nutrient media preparation. HTS 2835.29.20.00 applies to this chemically defined triammonium phosphate salt. Excludes hydrated forms if separately specified, but generally covered.
Duty Rate — Canada → United States
11.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide GMP certification for pharma-grade imports; FDA registration may be required alongside CBP entry
• Hygroscopic – use anti-caking declarations to prevent weight disputes from moisture absorption
• Ensure no heavy metal contaminants per USP standards to avoid toxic substance scrutiny