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HSChapter 28
U.S. exports of phosphoric acid & polyphosphoric acids (HS 280920) totaled $59.6M in July 2026.
Importers of Phosphoric Acid & Polyphosphoric Acids paid $1.3M in duties in July 2026 — an effective duty rate of 9.1% on $13.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataFertilizer-grade phosphoric acid — the dominant volume product under this heading — is split from technical and food-grade material at the 10-digit level, with lines distinguishing P₂O₅ content below 65% (2809200010), at or above 65% (2809200020), non-fertilizer grades (2809200030), and polyphosphoric acids (2809200040). Morocco, a global leader in phosphate rock mining, is a major supplier alongside Mexico, reflecting the tight integration between phosphate mining and acid production. Importers of food-grade phosphoric acid should be aware that FDA oversight applies to material destined for food and beverage applications, requiring compliance with food-additive specifications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
112 shipments/mo
Classification depends on two factors: P₂O₅ equivalent concentration and intended use. Fertilizer-grade acid below 65% P₂O₅ goes to 2809200010; fertilizer-grade at or above 65% P₂O₅ to 2809200020; non-fertilizer grades (including food, electronic, and technical grades) to 2809200030; and polyphosphoric acid mixtures to 2809200040. Importers should obtain a certificate of analysis confirming concentration and a commercial invoice specifying end use to support the classification.
FDA oversight applies when phosphoric acid is intended for use as a food additive, acidulant in beverages, or in pharmaceutical manufacturing. Such shipments must meet FDA food-additive purity specifications and may be subject to FDA prior notice and port-of-entry examination. Importers should ensure their supplier's product meets the relevant Food Chemicals Codex or USP monograph standards and consult a licensed customs broker or regulatory specialist for admissibility guidance.
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ImportsExports
Imports
$35.4MYoY · Pro
Exports
$59.6MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Subheading 1 of 2 in heading 2809
Subheading 280920 · $35.4M of $36.0M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2809200030 | Phosphoric Acid Other Than Fertilizer Grade | $34.8M | 3.55% | 38.13% | $1.2M |
| 2809200040 | Polyphosphoric Acids | $535K | 4.68% | 99.51% | $25K |
| 2809200020 | Phos Acid Cont. 65 Percent or More P205 Equivalen | $62K | 0.38% | 91.70% | $236 |
| 2809200010 | Phosphoric Acid, Fert Grade, Cont < 65% P205 | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Exports · July 2026
destination
India and Canada together take 77% of it.
customs district
origin
entry
rate provision · imports
60.8% enters free of duty; the effective duty rate is 3.56%.