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2809.20.00.40/Polyphosphoric Acid 105% for Flame Retardant Synthesis/Japan

Polyphosphoric Acid 105% for Flame Retardant Synthesis from Japan

Polyphosphoric acid at 105% H3PO4 strength, employed in manufacturing ammonium polyphosphate flame retardants. Classified under HTS 2809.20.00.40 for its polymeric phosphoric acid structure.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Certify P2O5 content >80% to avoid downgrade to orthophosphoric acid

• Include end-use statement for flame retardant production to aid classification

• Monitor REACH-like compliance for phosphorus chemicals in supply chain

Polyphosphoric Acid 105% for Flame Retardant Synthesis from Japan — Import Duty Rate | HTS 2809.20.00.40