Chapter 2815 — Customs Tariff Headings

Caustic Soda Pearls 98% Min

Spherical pearl form of solid sodium hydroxide with a minimum purity of 98%, used in textile processing and paper production. It is a separate chemically defined compound of sodium hydroxide in solid form, meeting the criteria of Chapter 28 Note 1(a) and not excluded by other notes.

Caustic Soda Prills for Detergent Production

Prilled solid sodium hydroxide optimized for batch saponification in detergent manufacturing. It is a chemically defined compound of sodium hydroxide in solid form, classifiable under Chapter 28 as it meets the criteria of Note 1(a) and is not excluded by Chapter Notes 2 or 3.

High Purity NaOH Microbeads

Microbead form of 99.5% pure solid sodium hydroxide for precision chemical reactions in laboratories. As a separate chemically defined compound in solid form, it falls under Chapter 28, specifically heading 2815, and is not excluded by any chapter notes.

Industrial Grade Caustic Soda Pellets

Pelletized solid sodium hydroxide for industrial applications such as alumina extraction in aluminum production. It is a chemically defined compound of sodium hydroxide in solid form, meeting Chapter 28 Note 1(a) and not excluded by other notes.

Pharmaceutical Grade NaOH Solid

Ultra-pure solid sodium hydroxide meeting USP standards for pharmaceutical synthesis and pH adjustment. It is a separate chemically defined compound in solid form, classifiable under Chapter 28 as per Note 1(a), and not excluded by any notes.

Sodium Hydroxide Flakes 99%

High-purity sodium hydroxide in solid flake form, used in soap manufacturing and water treatment. It is a chemically defined compound of sodium hydroxide in solid form, meeting Chapter 28 Note 1(a) and not excluded by chapter notes.

Solid Caustic Soda Blocks 50kg

Large block form of solid sodium hydroxide packaged in 50kg drums for bulk industrial use like petroleum refining. It is a separate chemically defined compound in solid form, classifiable under Chapter 28 as per Note 1(a), and not excluded by any notes.

32% Liquid Caustic Soda

Industrial-grade 32% sodium hydroxide in water, known as liquid soda or soda lye, primarily used in water treatment and alumina production from bauxite. This aqueous solution of chemically defined sodium hydroxide falls under tariff item 2815.12.00 as it is a solution of caustic soda in water, meeting the criteria of Chapter 28 Note 1(b).

50% Sodium Hydroxide Aqueous Solution

A 50% concentration aqueous solution of sodium hydroxide, commonly known as liquid caustic soda or soda lye, used in industrial processes like paper manufacturing and soap production. This solution is a chemically defined compound dissolved in water, qualifying under tariff item 2815.12.00 per Chapter 28 Note 1(b).

Alumina Refining Soda Lye 48%

48% high-strength aqueous sodium hydroxide for the Bayer process in alumina extraction from bauxite ore. This liquid soda lye is a chemically defined compound in aqueous solution, classified under tariff item 2815.12.00 as per Chapter 28 Note 1(b), and is critical for digesting alumina from bauxite.

Battery Manufacturing Liquid Caustic 40%

40% sodium hydroxide aqueous solution for nickel-cadmium and alkaline battery electrolyte production. This pure soda lye solution is a chemically defined compound in water, falling under tariff item 2815.12.00, and is distinguished from battery parts or mixtures by its simple aqueous composition.

Bulk Liquid Soda 30% for Water Treatment

30% sodium hydroxide solution in bulk for municipal water softening and pH adjustment. Classified under tariff item 2815.12.00 as soda lye, this is an aqueous solution of chemically defined NaOH, excluding products of other chapters like water treatment chemicals with additives.

Food Processing 18% NaOH Solution

18% aqueous sodium hydroxide solution, FCC grade, for food processing like olive debittering and chocolate processing. This soda lye is a chemically defined compound in water, classified under tariff item 2815.12.00, and is not under Chapter 21 food preparations unless mixed with other ingredients.

Industrial Soda Lye 45% Concentration

45% aqueous sodium hydroxide solution, termed soda lye, essential for petroleum refining and textile processing. It qualifies for tariff item 2815.12.00 as a chemically defined inorganic compound of sodium in aqueous form, per Chapter 28 Note 1(b).

Membrane-Grade Liquid Caustic Soda 33%

High-purity 33% sodium hydroxide aqueous solution produced via membrane cell process, used in rayon fiber manufacturing. This falls under tariff item 2815.12.00 as aqueous sodium hydroxide (soda lye), chemically defined without organic or other additives.

Pharmaceutical-Grade 20% NaOH Solution

20% aqueous sodium hydroxide solution meeting USP standards for pharmaceutical processing like API extraction. This is classified under tariff item 2815.12.00 as chemically defined soda lye in solution, not covered by Chapter 30 medicaments unless put up for therapeutic use.

Rayon Production Liquid Caustic Soda 35%

35% NaOH aqueous solution optimized for viscose rayon fiber production in the textile industry. Tariff item 2815.12.00 applies to this soda lye as a pure chemically defined compound in water, distinct from mixtures or textile chemical preparations.

Battery Grade Caustic Potash Solution

> A high-purity potassium hydroxide solution formulated for use in alkaline battery electrolytes. It is a chemically defined inorganic compound of potassium, meeting the criteria of Chapter 28 Note 1. Its low carbonate content ensures suitability for precise electrochemical applications.

Battery Grade Potassium Hydroxide Briquettes

> Ultra-pure solid potassium hydroxide briquettes designed for alkaline battery electrolyte production. This qualifies for 2815.20.00 as potassium hydroxide in solid form, chemically defined per Chapter 28 notes. The briquette form ensures controlled dissolution and handling.

Caustic Potash 90% Pellets

> High-purity potassium hydroxide pellets at 90% concentration in solid form, utilized in chemical synthesis and pH adjustment processes. Classified under 2815.20.00 as it is explicitly potassium hydroxide in solid form, meeting Chapter 28 Note 1 criteria.

Caustic Potash Briquettes for Metallurgy

> Briquetted potassium hydroxide designed for use in molten salt baths for metal heat treatment and aluminum processing. The briquette form is a physical presentation of chemically defined potassium hydroxide, which does not alter its classification under Chapter 28. It is a solid inorganic base with high thermal stability.

Caustic Potash Flakes 90%

> Potassium hydroxide in flake form with 90% purity, commonly used in industrial soap and detergent manufacturing. This is a chemically defined inorganic compound of potassium, meeting the criteria of Chapter 28 Note 1. The flake form is a standard physical presentation for easy handling and dissolution.

Caustic Potash Liquid 45% for Biodiesel

> A 45% aqueous solution of potassium hydroxide optimized for transesterification in biodiesel production. It is a chemically defined inorganic compound dissolved in water, meeting Chapter 28 Note 1(b). The solution is a standard concentration for industrial use, not a preparation for specific use.

Caustic Potash Microprills 95%

> Microprill form of 95% potassium hydroxide designed for easy dissolution in detergent formulations. This is a chemically defined inorganic compound of potassium, meeting Chapter 28 Note 1. The microprill form is a physical presentation that does not affect classification.

Caustic Potash Microprills for Soap Making

> Specialty microprills of potassium hydroxide optimized for small-scale soap and detergent production. This solid form product is under 2815.20.00 as it matches the precise description of potassium hydroxide solids, chemically defined per Chapter 28. The microprill form ensures rapid dissolution.

Caustic Potash Pearls 98% Purity

> High-purity (98%) potassium hydroxide pearls for pharmaceutical and biodiesel production applications. This form meets the 'chemically defined' criteria of Chapter 28 Note 1, specifically classified under 2815.20.00 for potassium hydroxide. The pearl form ensures consistent dissolution and handling.

Food Processing Caustic Potash 99%

> FCC-grade 99% potassium hydroxide for food processing equipment cleaning and cocoa processing. Meets strict purity standards for food contact, classified under 2815.20.00 as a chemically defined compound. Low mercury and heavy metal content ensures safety for food applications.

Industrial Caustic Potash Solution 50%

> A 50% aqueous solution of potassium hydroxide used in chemical synthesis and pH adjustment in water treatment. Classified under 2815.20.00 as chemically defined potassium hydroxide, distinct from sodium hydroxide or other alkalis. The solution is a standard industrial concentration.

Industrial Grade Potassium Hydroxide Flakes

> Potassium hydroxide in solid flake form, commonly known as caustic potash, used in industrial applications such as soap manufacturing and biodiesel production. This product falls under 2815.20.00 because it is potassium hydroxide, a chemically defined inorganic compound.

Pharmaceutical Grade Potassium Hydroxide Powder

> Fine powder form of high-purity potassium hydroxide meeting USP standards for pharmaceutical applications like API synthesis. Classified in 2815.20.00 as solid potassium hydroxide, excluded from Chapter 30 as it's not a medicament. The powder form ensures easy dissolution and mixing.

Pharmaceutical Potassium Hydroxide Pellets

> USP-grade potassium hydroxide pellets for medicinal tablet manufacturing and extraction processes. Chemically defined per Chapter 28 standards, specifically 2815.20.00 for pure KOH. Low impurity levels (<10ppm heavy metals) ensure suitability for pharmaceutical use.

Technical Grade Caustic Potash 92% Flakes

> Technical grade 92% potassium hydroxide flakes for pulp and paper bleaching processes. Falls squarely under 2815.20.00 as a basic inorganic compound of potassium without organic modification. Packaged in 25kg bags for industrial handling.

Anhydrous Sodium Peroxide Powder

High-purity anhydrous sodium peroxide powder for laboratory and industrial oxidation reactions. It is a separate chemically defined inorganic compound of sodium, meeting the scope of Chapter 28 Note 1(a). It is not excluded by Chapter 28 Note 3 and is correctly classified under the tariff item for peroxides of sodium.

High-Test Potassium Superoxide for SCBA

99% pure potassium superoxide (KO2) for self-contained breathing apparatus canisters. It is a chemically defined inorganic compound of potassium, classified as a peroxide of potassium under Chapter 28. It meets the criteria of Note 1(a) and is not excluded by Chapter 28 Note 3.

Industrial Sodium Peroxide 50kg Drums

Bulk sodium peroxide in 50kg drums for water treatment oxidation. It is a separate chemically defined inorganic compound of sodium, meeting Chapter 28 Note 1(a). The commercial packaging does not affect classification under the tariff item for peroxides of sodium.

Potassium Peroxide KO2

Potassium peroxide (KO2), also known as potassium superoxide, used in oxygen generation systems like submarines and breathing apparatus. It is a chemically defined inorganic compound of potassium, classified as a peroxide of potassium under Chapter 28. It meets the criteria of Note 1(a) and is not excluded by Chapter 28 Note 3.

Reagent Grade Sodium Peroxide

ACS reagent grade sodium peroxide (Na2O2) for analytical chemistry and research. It is a separate chemically defined inorganic compound of sodium, meeting Chapter 28 Note 1(a). High purity does not exclude it from the tariff item for peroxides of sodium.

Sodium Peroxide Dihydrate

Sodium peroxide dihydrate (Na2O2·2H2O) crystalline form used in organic peroxide manufacturing. It is a chemically defined inorganic compound of sodium, and the water of crystallization is considered an impurity or integral part, not a separate solvent. It meets Chapter 28 Note 1(a) and is classified under the tariff item for peroxides of sodium.

Sodium Peroxide Flakes 98% Purity

Sodium peroxide in flake form at 98% purity for textile bleaching and organic synthesis. It is a separate chemically defined inorganic compound of sodium, meeting Chapter 28 Note 1(a). The physical form (flakes) does not affect classification under the tariff item for peroxides of sodium.

Sodium Peroxide Na2O2

Sodium peroxide (Na2O2) is a white to yellow powder used as an oxidizing agent in chemical synthesis and bleaching processes. It is a separate chemically defined inorganic compound of sodium, meeting Chapter 28 Note 1(a). It is not excluded by Chapter 28 Note 3 and is correctly classified under the tariff item for peroxides of sodium.

Stabilized Potassium Peroxide Granules

Granular potassium peroxide stabilized for safe handling in pyrotechnics. It is a chemically defined inorganic compound of potassium, and the stabilizer is added for safety, which is permitted under Chapter 28 Note 1(d) if it does not render the product suitable for specific use. It is classified under the tariff item for peroxides of potassium.