Disodium Phosphite Pentahydrate from Canada
Disodium phosphite pentahydrate (Na2HPO3·5H2O) is a hydrated form used in analytical chemistry and as a reagent. Classified under HTS 2835.10.00.00 as a phosphonate (phosphite) despite hydration, per chemically defined rules. It appears as colorless crystals.
Duty Rate — Canada → United States
13.1%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Declare hydrate water content; use UN 3260 for shipping; provide lot analysis certificate