U.S. imports of Phosphates (Other, NESOI) (HS 283529) totaled $3.5M in August 2026, imported from 21 countries.
Importers of Phosphates (Other, NESOI) paid $864K in duties in August 2026, an average duty rate of 25.26% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Phosphates (Other, NESOI) imports of $3.5M in August 2026 ran 13% below the year-to-date monthly average of $4.0M.
Last updated: August 2026 dataAluminum phosphates, triammonium phosphate, trisodium phosphate, and a broad catch-all of other phosphate salts are grouped under this residual heading, reflecting the chemical diversity of industrial phosphate chemistry. Belgium and Germany lead US import supply, with China a significant third source — an origin that may carry Section 301 tariff exposure depending on the specific product. The US schedule breaks this heading into five distinct tariff lines (2835291000 through 2835299050), covering aluminum phosphates, triammonium phosphates, trisodium phosphate, and two residual NESOI lines, so precise chemical identification is essential for correct classification. Trisodium phosphate, widely used as a food additive and industrial cleaner, may require FDA review when imported for food applications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
60 import shipments a month
Classification depends on the specific cation paired with the phosphate anion. Aluminum phosphates (AlPO₄ and related salts) go to 2835291000; triammonium phosphate to 2835292000; trisodium phosphate (Na₃PO₄) to 2835293000. Phosphate salts not specifically described by those lines fall to the residual NESOI provisions (2835295100 or 2835299050). Importers should provide the chemical name, CAS number, and formula on entry documentation and consult a licensed customs broker for borderline cases.
Yes. Trisodium phosphate used as a food additive or processing aid is subject to FDA oversight, including review of purity and labeling. Industrial-grade material used as a cleaner or surface treatment agent is not subject to FDA food-additive requirements but may face other regulatory considerations depending on end use. The HTS classification is the same regardless of grade, so the intended use declaration and accompanying documentation are critical at entry.
Subheading 6 of 8 in heading 2835
Subheading 283529 · $3.5M of $38.7M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2835295100 | Phosphates, NESOI | $3.1M | 26.70% | 99.35% | $818K |
| 2835293000 | Trisodium Phosphate | $281K | 13.89% | 62.04% | $39K |
| 2835291000 | Aluminum Phosphates | $76K | 9.29% | 92.85% | $7K |
| 2835292000 | Triammonium Phosphates | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2835299050 | Phosphates, NESOI | $725K |
| 2835293000 | Trisodium Phosphate | $118K |
| 2835292000 | Triammonium Phosphates | $18K |
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.
ImportsExports
Imports
$3.5MYoY · free account
Exports
$861KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $39.0M of Phosphates (Other, NESOI) and exported $12.3M.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
China and Germany together supply 81% of it. China pays 39.4% duty; Canada 0.0%.
customs district
destination
entry
rate provision · imports
3.8% enters free of duty; duty collected equals 25.26% of imports for consumption.