Chapter 2827 — Customs Tariff Headings

2827.20.00Calcium chloride

2827.3Other chlorides:

2827.4Chloride oxides and chloride hydroxides:

2827.5Bromides and bromide oxides:

2827.60.00Iodides and iodide oxides

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Products classified under Tariff item 28.27

Battery Grade Ammonium Chloride Flakes

> Battery grade ammonium chloride flakes, refined specifically for use as an electrolyte component in zinc-carbon dry cell batteries. This product is a pure, chemically defined inorganic compound of ammonium chloride, which falls under tariff item 2827.10.00 as a chloride of ammonium.

Electronics Cleaning Ammonium Chloride Solution Crystals

> Crystalline ammonium chloride for preparing mild etching solutions in printed circuit board manufacturing. This is a chemically defined inorganic compound of ammonium chloride, classifiable under tariff item 2827.10.00 as ammonium chloride, regardless of its intended industrial use.

Food Additive Ammonium Chloride Granules

> FCC-grade granular ammonium chloride used as a yeast nutrient in baking and as a dough conditioner. This product is a chemically defined inorganic compound of ammonium chloride, classifiable under tariff item 2827.10.00. Food-grade status does not exclude it from Chapter 28.

Galvanizing Flux Ammonium Chloride Powder

> Fine powder ammonium chloride used as a flux in hot-dip galvanizing to clean steel surfaces before zinc coating. This is a pure, chemically defined ammonium chloride compound, classifiable under tariff item 2827.10.00 as ammonium chloride.

Industrial Grade Ammonium Chloride Crystals

> Industrial grade ammonium chloride crystals, pure NH4Cl, used in battery manufacturing and metal fluxing. This chemically defined inorganic compound falls under tariff item 2827.10.00 as ammonium chloride.

Laboratory Reagent Ammonium Chloride

> ACS-grade ammonium chloride for analytical chemistry labs, used in precipitation reactions and buffer solutions. This is a chemically defined inorganic salt, classifiable under tariff item 2827.10.00 as ammonium chloride.

Pharmaceutical Grade Ammonium Chloride Powder

> High-purity ammonium chloride powder meeting USP standards for use as an expectorant in cough syrups and pharmaceutical formulations. This chemically defined compound of ammonium chloride is classifiable under tariff item 2827.10.00, even though it is for pharmaceutical use.

Textile Dyeing Ammonium Chloride

> Ammonium chloride used in textile dyeing baths to adjust pH and promote dye fixation on cotton fibers. This is a pure inorganic salt of ammonium chloride, classifiable under tariff item 2827.10.00 as ammonium chloride.

Anhydrous Calcium Chloride Pellets

Anhydrous calcium chloride (CaCl2) in pellet form is a highly hygroscopic inorganic compound used in industrial drying processes and dust control. It is a separate chemically defined compound of calcium, meeting the criteria of Chapter 28 Note 1(a) and classified under tariff item 2827.20.00.

Calcium Chloride Dihydrate Flakes

Calcium chloride dihydrate (CaCl2·2H2O) in flake form is a chemically defined inorganic salt used primarily as a de-icing agent and desiccant. It is a hydrate of calcium chloride, which is covered by Chapter 28 Note 1(a) as a separate chemically defined compound, and falls under tariff item 2827.20.00.

Calcium Chloride Ice Melt Crystals

Coarse crystalline calcium chloride designed for rapid ice melting on roads and sidewalks is a pure inorganic chloride. It is a separate chemically defined compound of calcium, meeting Chapter 28 Note 1(a), and falls under tariff item 2827.20.00.

Concrete Accelerator Calcium Chloride

Powdered calcium chloride used to speed cement hydration in cold-weather concreting is a metal chloride. It is a separate chemically defined compound of calcium, meeting Chapter 28 Note 1(a), and falls under tariff item 2827.20.00.

Desiccant Calcium Chloride Bags

Small bags of calcium chloride granules for moisture absorption in shipping containers are pure calcium chloride. They are a separate chemically defined compound of calcium, meeting Chapter 28 Note 1(a), and fall under tariff item 2827.20.00.

Dust Control Calcium Chloride Liquid

Liquid calcium chloride (35% solution) applied to unpaved roads for dust suppression is a chemically defined calcium chloride solution. It is a product of Chapter 28 Note 1(b) as a solution in water, and falls under tariff item 2827.20.00.

Food-Grade Calcium Chloride Powder

USP-grade calcium chloride powder is a chemically defined calcium salt used as a firming agent in cheese production and canned vegetables. It is a separate chemically defined compound of calcium, meeting Chapter 28 Note 1(a), and falls under tariff item 2827.20.00.

Industrial Calcium Chloride Brine Solution

A 30-38% aqueous solution of calcium chloride used in concrete acceleration and oil drilling fluids is a chemically defined calcium chloride solution. It is a product of Chapter 28 Note 1(b) as a solution in water, and falls under tariff item 2827.20.00.

Laboratory-Grade Calcium Chloride Granules

ACS-reagent calcium chloride granules for analytical chemistry and desiccation in labs are a pure compound. They are a separate chemically defined compound of calcium, meeting Chapter 28 Note 1(a), and fall under tariff item 2827.20.00.

Pharmaceutical Calcium Chloride Injection

Sterile calcium chloride solution (10%) for intravenous use in treating hypocalcemia is a chemically defined inorganic compound. It is a product of Chapter 28 Note 1(b) as a solution in water, and falls under tariff item 2827.20.00.

Anhydrous Magnesium Chloride

Anhydrous magnesium chloride (MgCl2) is a pure, water-free chemical compound used in industrial processes such as titanium production and catalyst manufacturing. It is a separate chemically defined compound of magnesium, falling under tariff item 2827.31.00 as a chloride of magnesium.

Food Grade Magnesium Chloride

Food-grade magnesium chloride (E511) is a chemically defined salt used as a firming agent in tofu and cheese production. It is a chloride of magnesium, classified under tariff item 2827.31.00, and meets the purity and safety standards for food use.

Laboratory Reagent Magnesium Chloride

Laboratory reagent magnesium chloride is an ultra-high-purity, chemically defined compound used in analytical chemistry and molecular biology. It is a chloride of magnesium, classified under tariff item 2827.31.00, and is imported in small quantities for research purposes.

Magnesium Chloride Flakes

Magnesium chloride flakes are produced by crystallizing MgCl2 solutions and are used for dust control and concrete acceleration. This form is a chloride of magnesium, classified under tariff item 2827.31.00, and meets the chapter's requirements for chemically defined compounds.

Magnesium Chloride for Grignard Reagent Production

High-purity magnesium chloride for Grignard reagent production is a chemically defined compound used as a chemical intermediate in organic synthesis. It is a chloride of magnesium, classified under tariff item 2827.31.00, and is essential for producing organomagnesium compounds.

Magnesium Chloride Hexahydrate

Magnesium chloride hexahydrate (MgCl2·6H2O) is a chemically defined inorganic salt used as a de-icing agent and dust suppressant. It is a chloride of magnesium, classified under tariff item 2827.31.00, and is a hydrated form of the base compound.

Magnesium Chloride Solution 35%

A 35% aqueous solution of magnesium chloride is used for dust suppression on unpaved roads. It is a solution of a chemically defined compound in water, classified under tariff item 2827.31.00, as the solvent does not render it suitable for a specific use.

Pharmaceutical Grade Magnesium Chloride USP

Pharmaceutical grade magnesium chloride USP meets pharmacopeia standards for use in IV fluids and supplements. It is a pure, chemically defined magnesium chloride, classified under tariff item 2827.31.00, even for medicinal applications, per Chapter 28 precedence.

Technical Grade Magnesium Chloride

Technical grade magnesium chloride (95-98% purity) is used in refrigeration brines and paper manufacturing. It is a chemically defined magnesium chloride, classified under tariff item 2827.31.00, and is distinct from organo-inorganic compounds.

Aluminum Chloride Anhydrous

Anhydrous aluminum chloride (AlCl3) is a white to yellowish crystalline solid used as a Lewis acid catalyst in organic synthesis, such as Friedel-Crafts reactions. It is a separate chemically defined compound of aluminum and chlorine, meeting the criteria of Chapter 28 Note 1(a). It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Aluminum Chloride Hexahydrate

Aluminum chloride hexahydrate (AlCl3·6H2O) is a hydrated crystalline form used in water treatment as a coagulant and in pharmaceutical applications. It is a separate chemically defined compound of aluminum, chlorine, and water of crystallization, classifiable under Chapter 28 Note 1(a). It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Aluminum Chloride Solution 30%

A 30% aluminum chloride solution in water is a dissolved form of the chemically defined compound AlCl3, used in leather tanning and as a pH adjuster. Chapter 28 Note 1(b) includes aqueous solutions of separate chemically defined compounds. It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Aluminum Chlorohydrate Powder

Aluminum chlorohydrate (ACH) powder is a basic aluminum chloride hydroxide used in water clarification and cosmetics. It is a chloride hydroxide of aluminum, specifically covered by the heading 'chlorides, chloride oxides and chloride hydroxides'. It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Aluminum Trichloride Granules

Aluminum trichloride granules are granular AlCl3 designed for easier handling in catalytic applications. They are a separate chemically defined compound of aluminum and chlorine, meeting Chapter 28 Note 1(a). They fall under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Anhydrous Aluminum Chloride Flakes

Anhydrous aluminum chloride flakes are a flake form of pure AlCl3 used in the production of detergents and pharmaceuticals as a catalyst. They are a separate chemically defined compound, meeting Chapter 28 Note 1(a). They fall under tariff item 2827.32.00 as an 'other chloride' of aluminum.

High Purity Aluminum Chloride

High purity aluminum chloride (>99%) is used in semiconductor etching and specialty chemicals. It is a separate chemically defined compound of aluminum and chlorine, meeting Chapter 28 Note 1(a). It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Pharmaceutical Grade Aluminum Chloride

Pharmaceutical grade aluminum chloride meets USP standards for use in antiperspirants and as a pharmaceutical intermediate. It is a pure, chemically defined aluminum chloride compound, meeting Chapter 28 Note 1(a). It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Polyaluminum Chloride (PAC)

Polyaluminum chloride (PAC) is a polymeric aluminum chloride compound used primarily as a coagulant or flocculant in water and wastewater treatment. It falls under tariff item 2827.32.00 as an aluminum chloride derivative, meeting the chapter's criteria for chemically defined inorganic compounds of aluminum.

Technical Grade Aluminum Chloride

Technical grade aluminum chloride is a high-purity AlCl3 used in petrochemical refining and as a mordant in textiles. It is a separate chemically defined compound of aluminum and chlorine, meeting Chapter 28 Note 1(a). It falls under tariff item 2827.32.00 as an 'other chloride' of aluminum.

Anhydrous Nickel Chloride

Anhydrous nickel chloride (NiCl2) is a yellow-brown deliquescent powder used in anhydrous environments for chemical synthesis and as a mordant in textiles. It is a separate chemically defined compound of nickel and chlorine, falling under tariff item 2827.35.00 as an 'other chloride' of nickel.

Hydrated Nickel Chloride Crystals Technical Grade

Hydrated nickel chloride crystals, technical grade, consist of NiCl2·6H2O, a green crystalline solid used in water treatment and corrosion studies. As a separate chemically defined compound of nickel, it is classifiable under tariff item 2827.35.00, which covers chlorides of nickel regardless of hydration state.

Nickel Chloride Catalyst Grade

Catalyst-grade nickel chloride is a high-purity form of NiCl2 used in olefin polymerization and hydrogenation reactions. It is a separate chemically defined inorganic compound, meeting Chapter 28's requirements, and falls under tariff item 2827.35.00 as a chloride of nickel.

Nickel Chloride Flakes Industrial Grade

Industrial-grade nickel chloride flakes are bulk NiCl2 used in metal finishing and pigment production. As a separate chemically defined compound of nickel, it is classifiable under tariff item 2827.35.00, which covers all forms of nickel chloride.

Nickel Chloride Laboratory Reagent ACS Grade

ACS-grade nickel chloride is a high-purity reagent for analytical chemistry and educational labs. It is a separate chemically defined compound of nickel, meeting Chapter 28's criteria, and falls under tariff item 2827.35.00 as an 'other chloride' of nickel.

Nickel Chloride Solution 40% Aqueous

A 40% aqueous solution of nickel chloride is used in nickel electroplating baths and as a corrosion inhibitor. Under Chapter 28 Note 1(b), solutions of separate chemically defined compounds in water are classified in this chapter, so it falls under tariff item 2827.35.00.

Nickel(II) Chloride for Battery Manufacturing

High-purity nickel(II) chloride for battery manufacturing is a precursor in nickel-metal hydride (NiMH) battery production. As a separate chemically defined compound of nickel, it is classifiable under tariff item 2827.35.00, which covers all chlorides of nickel.

Nickel(II) Chloride Hexahydrate

Nickel(II) chloride hexahydrate (NiCl2·6H2O) is a green crystalline compound used in electroplating, catalyst preparation, and nickel salt production. It is a separate chemically defined compound of nickel, falling under tariff item 2827.35.00 as a chloride of nickel.

Ultrapure Nickel Chloride for Electroplating

Ultrapure nickel chloride (>99.999%) is used for decorative and functional electroplating on automotive parts and electronics. As a separate chemically defined compound of nickel, it falls under tariff item 2827.35.00, which covers all forms of nickel chloride.

99.9% Pure Vanadium Trichloride Crystals

Ultra-high purity (99.9%) vanadium trichloride crystals grown via chemical vapor transport for research in superconductivity and catalysis development. This chemically defined compound of vanadium falls under the 'Other chlorides' tariff item as it is not specifically named elsewhere in the subheading.

Anhydrous Ferric Chloride Granules

Granular anhydrous ferric chloride (FeCl3) is used for industrial etching of copper in electronics manufacturing and as a catalyst in organic reactions. As a chemically defined iron chloride, it is classifiable under 2827.39.00.

Anhydrous Titanium Tetrachloride

Anhydrous titanium tetrachloride is a high-purity grade (>99.9%) used in semiconductor manufacturing for chemical vapor deposition (CVD) of titanium films. This chemically defined titanium chloride falls under the 'Other chlorides' tariff item.

Barium Chlorate

Barium chlorate (Ba(ClO3)2) is an oxidizer used in pyrotechnics and herbicides. Although technically a chlorate, it is sometimes traded under chloride oxide provisions and may be classified under tariff item 2827.39.00 if interpreted as a chloride oxide of barium.

Barium Chloride Anhydrous

Anhydrous barium chloride (BaCl2) is a hygroscopic white powder employed in pyrotechnics, pigment production, and metal refining. As a chemically defined chloride of barium, it falls under tariff item 2827.39.00 for other chlorides.

Barium Chloride Dihydrate

Barium chloride dihydrate (BaCl2·2H2O) is a white crystalline inorganic compound used in chemical synthesis, water treatment, and as a heat-treating salt. It is a separate chemically defined chloride of barium, classifiable under tariff item 2827.39.00 as 'Other' chlorides.

Barium Chloride Flakes

Flaked barium chloride dihydrate is a physical form of the same chemically defined compound, designed to dissolve quickly in pigment and drilling mud production. It remains a separate chemically defined chloride of barium, classifiable under 2827.39.00.

Barium Chloride Laboratory Reagent

ACS-grade barium chloride laboratory reagent is supplied in small bottles for analytical chemistry and precipitation tests. As a separate chemically defined compound of high purity, it is classifiable under 2827.39.00, provided it is not put up as a retail preparation of Section VI Note 2.

Barium Oxychloride Powder

Barium oxychloride powder (BaCl2·Ba(OH)2·H2O) is a chloride hydroxide/oxide of barium used in X-ray fluorescence standards and ceramic glazes. It is a chemically defined compound of barium, classifiable under 2827.39.00 as 'Other' chlorides.

Ferric Chloride Anhydrous

Ferric chloride anhydrous (FeCl3) is a chemically defined inorganic iron chloride used primarily as an etching agent in printed circuit board manufacturing and water treatment. It falls under 2827.39.00 as 'Other' chlorides.

Ferric Chloride for Water Purification

High-purity ferric chloride specifically graded for municipal water and sewage treatment as a coagulant is a chemically defined iron chloride. It is classifiable under 2827.39.00, provided it is not mixed with other substances.

Ferric Chloride Hexahydrate

Ferric chloride hexahydrate (FeCl3·6H2O) is the hydrated form of iron(III) chloride, appearing as yellowish crystals, used in sewage treatment, pigments, and as a mordant in textiles. As a chemically defined hydrated iron chloride, it is classifiable under 2827.39.00.

High-Purity Barium Chloride

High-purity barium chloride (99.99% BaCl2) is used in optical glass manufacturing and as a precursor for barium titanate ceramics. As a chemically defined barium chloride of high purity, it falls under 2827.39.00.