Pyrophosphoric Acid 85% from Germany
Pyrophosphoric acid (H4P2O7) at 85% concentration is a viscous liquid used in organic synthesis and as a catalyst. Falls under HTS 2811.19.61.90 as an other inorganic acid, a condensed phosphorus oxyacid not elsewhere specified. Chemically defined per Chapter 28 notes.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit molecular structure confirmation to differentiate from orthophosphoric acid
• Handle as UN 1803 corrosive; use HDPE drums with secondary containment