Of potassium
Sulphides; polysulphides, whether or not chemically defined. > Other sulphates: > Of potassium > Of potassium
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2834.21.00
Battery Grade Potassium Nitrate
Battery grade potassium nitrate is an ultra-pure, chemically defined inorganic compound of potassium nitrate (KNO3) used as an electrolyte component in specialty batteries. It meets the requirements of Chapter 28 Note 1 as a separate chemically defined compound, and falls under tariff item 2834.21.00 as a nitrate of potassium.
Food Grade Potassium Nitrate
Food grade potassium nitrate is a purified, chemically defined potassium nitrate (KNO3) used as a curing agent (E252) for preserved meats. It is classified under tariff item 2834.21.00 as a nitrate of potassium, and is not considered a food preparation because it is a single chemical compound.
Industrial Potassium Nitrate for Propellants
Industrial potassium nitrate for propellants is a high-density, chemically defined potassium nitrate (KNO3) used as an oxidizer in black powder and propellant production. It is classified under tariff item 2834.21.00 as a pure inorganic compound, and is not considered a finished explosive product.
Laboratory Potassium Nitrate Solution 30%
Laboratory potassium nitrate solution is a 30% aqueous solution of potassium nitrate (KNO3) used for analytical and calibration purposes. It falls under tariff item 2834.21.00 as a solution of a chemically defined compound in water, per Chapter 28 Note 1(b).
Pharmaceutical Grade Potassium Nitrate USP
Pharmaceutical grade potassium nitrate USP is a high-purity, chemically defined potassium nitrate (KNO3) meeting USP standards, used in dental desensitizers and limited pharmaceutical applications. It is classified under tariff item 2834.21.00 as a pure inorganic compound, not a medicament.
Potassium Nitrate Crystals
Potassium nitrate crystals are pure, chemically defined potassium nitrate (KNO3) in crystalline form, used as a fertilizer and in pyrotechnics. It falls under tariff item 2834.21.00 as a nitrate of potassium, distinct from ammonium nitrate or other nitrates.
Potassium Nitrate Flakes for Glass Production
Potassium nitrate flakes for glass production are a flake-form, chemically defined potassium nitrate (KNO3) used as a flux in specialty glass manufacturing. It is classified under tariff item 2834.21.00 as a nitrate of potassium, meeting the inorganic salt definition in Chapter 28.
Potassium Nitrate for Heat Storage Salts
Potassium nitrate for heat storage salts is a chemically defined potassium nitrate (KNO3) used as a component in solar thermal heat transfer and storage salt mixtures. It falls under tariff item 2834.21.00 as a base compound, not a prepared mixture.
Potassium Nitrate for Tobacco Curing
Potassium nitrate for tobacco curing is a specialty, chemically defined potassium nitrate (KNO3) used to control burn rate in tobacco curing processes. It is classified under tariff item 2834.21.00 as a nitrate of potassium, per the chemical definition in Chapter 28.
Potassium Nitrate Granules for Rocket Motors
Potassium nitrate granules for rocket motors are granulated, chemically defined potassium nitrate (KNO3) sized for use as an oxidizer in amateur rocket motors. It is classified under tariff item 2834.21.00 as a pure compound, not as a rocket fuel or propellant preparation.
Potassium Nitrate Prills for Fireworks
Potassium nitrate prills for fireworks are prilled, chemically defined potassium nitrate (KNO3) used as an oxidizer in pyrotechnic compositions. It is classified under tariff item 2834.21.00 as a pure compound, not as a prepared explosive or pyrotechnic article.
Reagent Grade Potassium Nitrate
Reagent grade potassium nitrate is a high-purity, chemically defined potassium nitrate (KNO3) suitable for laboratory reagents and chemical analysis. It is classified under tariff item 2834.21.00 as a nitrate of potassium, meeting the chemically defined criteria in Chapter 28 Note 1.
Refined Potassium Nitrate for Ceramics
Refined potassium nitrate for ceramics is a chemically defined potassium nitrate (KNO3) used as a flux in high-temperature ceramic glazes and enamels. It is classified under tariff item 2834.21.00 as an inorganic salt, per Chapter 28.
Spectroscopy Potassium Nitrate Reference Standard
Spectroscopy potassium nitrate reference standard is a certified reference material of potassium nitrate (KNO3) used for NIR/Raman spectroscopy calibration. It is classified under tariff item 2834.21.00 as a chemically defined compound, provided it is not put up as a certified reference material under heading 38.22.
Technical Grade Potassium Nitrate Powder
Technical grade potassium nitrate powder is a powdered, chemically defined potassium nitrate (KNO3) used in industrial applications such as glass manufacturing and heat transfer salts. It is classified under tariff item 2834.21.00 as a nitrate of potassium, per Chapter 28 notes.