Triammonium Phosphate Crystals from Germany
Pure triammonium phosphate (NH4)3PO4 in crystalline form, a chemically defined inorganic salt used as a flame retardant and in chemical synthesis. It falls under HTS 2835.29.20.00 as a phosphate of triammonium, distinct from other ammonium phosphates like mono- or diammonium. This subheading covers specifically triammonium salts within the phosphates category of Chapter 28.
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
• Verify chemical purity and provide Certificate of Analysis (CoA) confirming triammonium composition to avoid reclassification as other ammonium phosphates
• Ensure SDS and proper hazardous material labeling if shipped in quantities exceeding exempt thresholds; triammonium phosphate can be irritant