Potassium Bicarbonate USP Grade
Pharmaceutical-grade potassium hydrogencarbonate (potassium bicarbonate) used as an antacid to neutralize stomach acid and treat heartburn. It falls under HTS 2836.40.20.00 as a chemically defined potassium carbonate, specifically the hydrogencarbonate form, meeting Chapter 28 note requirements for inorganic compounds. Packaged in bulk for compounding pharmacies.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If formulated into finished antacid tablets or mixtures
Formulated pharmaceutical preparations shift to Chapter 30 as medicaments, not pure chemical compounds.
If it's disodium carbonate instead of potassium
Different metal base (sodium vs potassium) changes the specific subheading within carbonate headings.
If mixed with mineral nutrients for fertilizer use
Fertilizer mixtures fall under Chapter 31 per chapter note exclusions, not pure inorganic chemicals.
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Import Tips & Compliance
• Verify USP certification and provide Certificate of Analysis for FDA compliance; ensure COA confirms purity >99% to avoid reclassification; watch for moisture-proof packaging to prevent degradation during shipping
Related Products under HTS 2836.40.20.00
Food-Grade Potassium Bicarbonate Powder
Pure potassium hydrogencarbonate approved for food use as a leavening agent in baking and acidity regulator in beverages. Classified under HTS 2836.40.20.00 as a chemically defined inorganic carbonate of potassium, excluded from food prep headings by chapter purity notes. Supplied in 25kg bags for industrial baking.
Technical Grade Potassium Bicarbonate Crystals
Industrial-grade potassium hydrogencarbonate crystals used in water treatment to adjust pH and precipitate calcium. It qualifies for HTS 2836.40.20.00 as a pure, chemically defined potassium carbonate per Chapter 28 definitions. Typically shipped in 50kg drums for chemical manufacturing.
Potassium Bicarbonate for Fire Extinguisher Charges
Dry chemical potassium hydrogencarbonate powder formulated for ABC fire extinguishers to smother flames. Falls under HTS 2836.40.20.00 as chemically defined, not excluded under chapter note (e) for fire-extinguisher charges which applies to organic preparations. Bulk packed for extinguisher filling.
Pharmaceutical Potassium Bicarbonate API
Active pharmaceutical ingredient (API) grade potassium hydrogencarbonate for effervescent tablet production. Classified in HTS 2836.40.20.00 as a pure inorganic compound of potassium per Chapter 28 notes, prior to formulation. Supplied in sealed drums for drug manufacturers.
Potassium Bicarbonate for Swimming Pool pH Balancer
Granular potassium hydrogencarbonate for raising alkalinity and pH in pool water without cloudiness. Under HTS 2836.40.20.00 as chemically defined carbonate, not a prepared mixture. Packaged in 20kg pails for pool supply stores.
Bulk Potassium Hydrogencarbonate for Winemaking
Food-grade potassium bicarbonate used to reduce acidity in wine must and stabilize pH during fermentation. Fits HTS 2836.40.20.00 as pure inorganic potassium salt, per chapter carbonate provisions. Shipped in 1-ton supersacks for vineyards.