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HSChapter 28
U.S. imports of dicalcium phosphate (calcium hydrogenorthophosphate) (HS 283525) totaled $2.0M in April 2026, traded with 7 countries.
Importers of Dicalcium Phosphate (Calcium Hydrogenorthophosphate) paid $476K in duties in April 2026 — an effective duty rate of 25% on $1.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Dicalcium Phosphate (Calcium Hydrogenorthophosphate) imports of $2.0M in April 2026 ran 66% above the year-to-date monthly average of $1.2M.
Last updated: April 2026 dataDicalcium phosphate — widely traded under the abbreviation DCP — is a foundational ingredient in animal feed, dietary supplements, and dental products, where its calcium and phosphorus content and particle size are tightly specified by buyers. China is the dominant US import source for this commodity, with Germany and India also supplying meaningful volumes. The single tariff line 2835250000 covers all grades, but feed-grade and food-grade DCP face different regulatory scrutiny: feed-grade imports may require USDA APHIS documentation, while food or supplement grades are subject to FDA review. Importers should confirm grade-specific compliance requirements before shipment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Feed-grade DCP intended for animal nutrition may require compliance with USDA APHIS regulations and applicable feed safety standards, while food- or supplement-grade DCP falls under FDA oversight. The HTS classification (2835250000) is the same for both, so the grade designation on the commercial invoice, certificate of analysis, and intended end-use declaration are critical for determining which agency review applies at entry.
China's large-scale phosphate mining and chemical processing infrastructure gives it a significant cost advantage in producing commodity-grade DCP. However, importers sourcing from China should be aware of potential Section 301 tariff exposure on this product and should verify current duty treatment with a licensed customs broker before contracting.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| INDIA | $150K | $1.3M | +$1.1M |
| CHINA | $1.1M | $64K | -$1.1M |
| CANADA | -- | $792K | +$792K |
| GERMANY | $373K | $186K | -$187K |
| NETHERLANDS | -- | $275K | +$275K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2835250000 | CALCIUM HYDROGENORTHOPHOSPHATE (DICALC PHOSPHATE) | $2.0M | 24.59% | $476K |
CALCIUM HYDROGENORTHOPHOSPHATE (DICALC PHOSPHATE)
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2835250000 | CALCIUM HYDROGENORTHOPHOSPHATE (DICALC PHOSPHATE) | $3.1M |
CALCIUM HYDROGENORTHOPHOSPHATE (DICALC PHOSPHATE)
1.1M kg
URANIUM ENRICHED IN U235 ETC. PLUTONIUM ETC.
HS 284420
NATURAL URANIUM & COMPOUNDS, ALLOYS & CERAMICS ETC
HS 284410
ANHYDROUS AMMONIA
HS 281410
ALLOYS, DISPERSIONS,ISOTOPES & COMPOUNDS NES
HS 284443
SILICON, UNDER 99.99% (BY WEIGHT) SILICON
HS 280469
PHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS
HS 280920
| State | Imports | Exports | Balance |
|---|---|---|---|
| Illinois | $480K | $2.0M | +$1.5M |
| New York | $690K | $62K | -$628K |
| New Jersey | $271K | $183K | -$88K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEWARK, NJ | $1.2M | $75K | -$1.1M |
| LOS ANGELES, CA | $361K | $842K | +$481K |
| NORFOLK-NEWPORT NEWS, VA | $77K | $667K | +$590K |