U.S. imports of magnesium sulfate (HS 283321) totaled $1.5M in April 2026, traded with 18 countries.
Magnesium sulfate — commercially familiar as Epsom salt in its heptahydrate form — serves industrial roles in agriculture (as a soil amendment and fertilizer additive), chemical manufacturing, and food processing, as well as consumer health applications. The entire heading resolves to a single tariff line (2833210000), so classification is straightforward, though purity and hydration state (anhydrous, monohydrate, heptahydrate) affect pricing and end-use suitability. China dominates US supply by a wide margin, with Japan, Germany, Mexico, and India also among the top sources.
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No — anhydrous, monohydrate, and heptahydrate (Epsom salt) forms all classify under the same 10-digit line 2833210000. However, the hydration state significantly affects commercial value and end-use suitability, so it should be clearly documented in shipping records.
China is the dominant supplier of magnesium sulfate to the US market. Japan, Germany, Mexico, and India are also among the top foreign sources.
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Imports
$1.5M
from 18 countries · YTD: $5.4M
Exports
$604K
Deficit of $927K (net importer)
Trade balance: deficit of $927K (net importer)
YTD: $5.4M imported (April 2026)
108 shipments/month
Monthly import values over time
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
ALUMINUM OXIDE, EXCEPT ARTIFICIAL CORUNDUM, NESOI
HS 281820
SULFURIC ACID; OLEUM
HS 280700
Top U.S. entry points for this product, ranked by latest-month import value.