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Barium Sulfite Precipitated

Precipitated barium sulfite (BaSO3) used in X-ray contrast media and pigments. HTS 2832.20.00.00 applies to this chemically defined barium salt sulfite.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.1%+35.0%38.1%
🇲🇽Mexico3.1%+10.0%13.1%
🇨🇦Canada3.1%+10.0%13.1%
🇩🇪Germany3.1%+10.0%13.1%
🇯🇵Japan3.1%+10.0%13.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2816.40.20Lower: 2% vs 38.1%

If barium oxide or hydroxide

Oxides/hydroxides of barium in 2816.

3206.50.00Higher: 41.5% vs 38.1%

If inorganic color pigments

Chapter notes exclude luminophore pigments to 3206.

3006.50.00Lower: 10% vs 38.1%

If for diagnostic barium meals

Pharmaceutical preparations shift to Chapter 30.

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Import Tips & Compliance

• Toxicity profile requires EPA TSCA registration for new importers

• Precipitated vs crystalline form affects particle size declarations

• Medical device classification if pre-mixed; pure chemical stays in 2832

Related Products under HTS 2832.20.00.00

Sodium Sulfite Anhydrous

Sodium sulfite (Na2SO3) in anhydrous form is a white crystalline powder used as a reducing agent and preservative. It falls under HTS 2832.20.00.00 as one of the 'other sulfites' excluding sodium and potassium sulfites, which are specified separately in the tariff schedule.

Ammonium Sulfite Solution 40%

A 40% aqueous solution of ammonium sulfite ((NH4)2SO3) used in wastewater treatment and as an oxygen scavenger. Classified under HTS 2832.20.00.00 as an 'other sulfite' of an inorganic base, meeting Chapter 28 definitions for chemically defined compounds.

Zinc Sulfite Powder

Zinc sulfite (ZnSO3) powder used in specialty chemical synthesis and as a corrosion inhibitor. It qualifies under HTS 2832.20.00.00 as a sulfite of an inorganic base (metal salt), distinct from chromates or other excluded compounds.

Calcium Sulfite Hemihydrate

Calcium sulfite hemihydrate (CaSO3·0.5H2O), a white powder byproduct from flue gas desulfurization, used in construction materials. Falls under HTS 2832.20.00.00 as an 'other sulfite' chemically defined per Chapter 28 Note 1.

Magnesium Sulfite Tribasic

Tribasic magnesium sulfite (Mg3(SO3)2) used in pharmaceutical buffering and flame retardants. Classified in HTS 2832.20.00.00 as a chemically defined sulfite salt of an inorganic base.

Ferrous Sulfite Crystals

Ferrous sulfite (FeSO3) crystals employed in analytical chemistry and reducing applications. Meets HTS 2832.20.00.00 criteria as an 'other sulfite' of iron, chemically defined inorganic compound.