Potassium Pyrophosphate from Germany
Potassium pyrophosphate (K4P2O7) serves as a buffering agent and dispersant in metal cleaning solutions and food processing. Classified under HTS 2835.39.10.00 as a polyphosphate of potassium meeting Chapter 28 definitions for chemically defined inorganic compounds. It is commonly used in industrial formulations.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Ensure product is pure potassium polyphosphate; blends with organics may shift to Chapter 38
• Provide detailed chemical formula and CAS number (e.g
• 7320-34-5) on commercial invoice
• Comply with EPA water quality standards if destined for treatment applications to prevent import delays