Pure Potassium Bicarbonate Lab Reagent

ACS-grade potassium hydrogencarbonate for analytical chemistry labs as a buffer and CO2 source. Under HTS 2836.40.20.00 as chemically defined per Chapter 28 notes for pure compounds. Bottled in 1kg lab packs.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.3%+35.0%36.3%
🇲🇽Mexico1.3%+10.0%11.3%
🇨🇦Canada1.3%+10.0%11.3%
🇩🇪Germany1.3%+10.0%11.3%
🇯🇵Japan1.3%+10.0%11.3%

Alternative Classifications

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

3822Lower: 10% vs 36.3%

If diagnostic lab reagent mixture

Lab reagents prepared for specific tests exclude to Chapter 38.

2840.19.00.00Lower: 35.1% vs 36.3%

If borate buffer instead

Different inorganic base changes heading.

2836.50.00.00Lower: 35% vs 36.3%

If calcium bicarbonate lab grade

Metal base determines subheading.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include ACS assay certificate; follow DOT hazmat if applicable; small quantities may need end-user statements

Related Products under HTS 2836.40.20.00

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.

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.