Chapter 2922 — Customs Tariff Headings

2922.2Amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof:

2922.3Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; salts thereof:

2922.4Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof:

2922.50.00Amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function

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Products classified under Tariff item 29.22

Monoethanolamine Acetate

Monoethanolamine acetate is a salt formed from monoethanolamine and acetic acid. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, per Chapter 29 Note 5(C)(1), which directs inorganic and organic salts of organic compounds to the heading of the parent compound.

Monoethanolamine Citrate

Monoethanolamine citrate is a buffering salt used in pharmaceutical preparations. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, consistent with Chapter 29 Note 5(C)(1), which assigns salts to the heading of the parent organic compound.

Monoethanolamine Hydrochloride

Monoethanolamine hydrochloride is the hydrochloride salt of monoethanolamine, a white crystalline powder used in organic synthesis and as a corrosion inhibitor. It falls under tariff item 2922.11.00 as a salt of monoethanolamine, per Chapter 29 Note 5(C)(1).

Monoethanolamine Lactate

Monoethanolamine lactate is a salt used as a humectant in cosmetics. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, following Chapter 29 Note 5(C)(1), which places salts with the parent organic compound.

Monoethanolamine (MEA) 99% Pure

Monoethanolamine (MEA), chemically 2-aminoethanol (C2H7NO), is a colorless, viscous liquid organic compound. It is classified under tariff item 2922.11.00 as monoethanolamine, being a single oxygen-function amino-alcohol without additional oxygen functions.

Monoethanolamine Oleate

Monoethanolamine oleate is the salt of monoethanolamine with oleic acid, used as an emulsifier in metalworking fluids. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, per Chapter 29 Note 5(C)(1).

Monoethanolamine Phosphate

Monoethanolamine phosphate is the phosphate salt of monoethanolamine, used as a flame retardant and buffering agent in textiles. It falls under tariff item 2922.11.00 as a salt of monoethanolamine, per Chapter 29 Note 5(C)(1).

Monoethanolamine Salicylate

Monoethanolamine salicylate is an analgesic salt combining monoethanolamine with salicylic acid, used in topical pain relief. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, following Chapter 29 Note 5(C)(1).

Monoethanolamine Sulfate

Monoethanolamine sulfate is the salt formed from monoethanolamine and sulfuric acid, used in personal care formulations and as a pH adjuster. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, per Chapter 29 Note 5(C)(1).

Monoethanolamine Tartrate

Monoethanolamine tartrate is a crystalline salt used in synthesis. It is classified under tariff item 2922.11.00 as a salt of monoethanolamine, per Chapter 29 Note 5(C)(1), which directs salts to the heading of the parent organic compound.

Diethanolamine 99% Technical Grade

Technical grade diethanolamine at 99% purity, a clear viscous liquid used as an intermediate in emulsifiers, gas treating, and surfactants. It is a separate chemically defined organic compound (an amino-alcohol) with no added stabilizers or solvents, qualifying under tariff item 2922.12.00 as diethanolamine.

Diethanolamine Cocamide Salt

Diethanolamine cocamide salt is a chemically defined organic compound formed by the reaction of diethanolamine with coconut fatty acids. It is used as a foaming agent in personal care products such as shampoos and body washes. Under the Customs Tariff, salts of diethanolamine are classified in this tariff item, with the amine component determining the classification.

Diethanolamine (DEA)

Diethanolamine (DEA), a colorless, viscous organic compound with the formula HN(CH₂CH₂OH)₂, used in gas treating, surfactants, and as a chemical intermediate. It is a separate chemically defined amino-alcohol with only hydroxyl oxygen functions, falling under tariff item 2922.12.00 as diethanolamine.

Diethanolamine Diacetate Salt

Diethanolamine diacetate salt is a chemically defined salt formed from diethanolamine and acetic acid. It is used in pharmaceutical applications as a buffering agent to maintain pH stability. Under the Customs Tariff, salts of organic bases are classified with the base compound, which is diethanolamine, placing it in this tariff item.

Diethanolamine in Aqueous Solution 85%

Diethanolamine dissolved in water at 85% concentration, a solution that is a normal and necessary method of putting up the product for safe transport. Under Chapter 29 Note 1(d), products dissolved in water are covered by the chapter, and the solution is classifiable as diethanolamine under tariff item 2922.12.00.

Diethanolamine Morpholine Salt

Diethanolamine morpholine salt is a complex salt formed between diethanolamine and morpholine, used in boiler water treatment applications. Under the Customs Tariff, when a salt is formed between two organic compounds, it is classified with the compound that appears last in numerical order in Chapter 29. However, since morpholine is an oxygen-function amino-compound and diethanolamine is the amino-alcohol, the classification follows the amino-alcohol base per the specific subheading.

Diethanolamine Oleate Salt

Diethanolamine oleate salt is formed by the reaction of diethanolamine with oleic acid, creating a chemically defined salt. It is used as an emulsifier in metalworking fluids and industrial lubricants. Under the Customs Tariff, salts of organic bases are classified with the base compound, and since diethanolamine is the amino-alcohol, it falls under this tariff item.

Diethanolamine Phosphate Salt

Diethanolamine phosphate salt is a buffering salt used for pH adjustment in cleaning products and industrial formulations. It is formed by the reaction of diethanolamine with phosphoric acid. Under the Customs Tariff, inorganic salts of organic bases are classified with the organic compound, placing this product in the diethanolamine tariff item.

Diethanolamine Stabilized with MEA

Diethanolamine stabilized with a minor amount of monoethanolamine (MEA) to ensure safe transport and preservation. Under Chapter 29 Note 1(f), added stabilizers necessary for preservation or transport are permitted, and the product remains classifiable as diethanolamine under tariff item 2922.12.00.

High-Purity Diethanolamine USP Grade

High-purity diethanolamine of USP grade, used in pharmaceutical synthesis and other applications requiring high purity. It is a separate chemically defined amino-alcohol, free of heavy metals and impurities, qualifying under tariff item 2922.12.00 as diethanolamine.

Bulk Dextropropoxyphene Base (as Hydrochloride Salt)

Bulk dextropropoxyphene base supplied as its hydrochloride salt, in pharmaceutical-grade powder form for API manufacturing. It is a separate chemically defined organic compound and its salt, specifically named in tariff item 2922.14.00.

Dextropropoxyphene Hydrochloride

Dextropropoxyphene hydrochloride, the salt form of the synthetic opioid analgesic dextropropoxyphene, used for mild to moderate pain relief. It is explicitly listed in tariff item 2922.14.00 as a named salt of the INN compound.

Dextropropoxyphene Hydrochloride USP Grade

USP-grade dextropropoxyphene hydrochloride meeting purity standards for pharmaceutical production. It is the named salt of dextropropoxyphene, classified under tariff item 2922.14.00 as a separate chemically defined organic compound.

Dextropropoxyphene Napsylate

Dextropropoxyphene napsylate, a water-soluble salt of dextropropoxyphene formerly used in combination pain medications. It is a salt of the INN compound dextropropoxyphene, falling under tariff item 2922.14.00.

Pharmaceutical Dextropropoxyphene Napsylate Powder

Fine powder of dextropropoxyphene napsylate for compounding in pain relief formulations. It is a salt of the named INN compound dextropropoxyphene, classified under tariff item 2922.14.00 as a separate chemically defined organic compound.

Cosmetic Grade Triethanolamine USP

High-purity triethanolamine meeting USP standards, used in personal care products. It is a separate chemically defined organic compound (amino-alcohol) with only hydroxyl oxygen functions, falling squarely under tariff item 2922.15.00.

Industrial Grade Triethanolamine with Stabilizer

Industrial grade triethanolamine with a stabilizer added for preservation or transport. The stabilizer is permitted under Chapter 29 Note 1(f) and does not change the classification of the core compound.

Pharma Grade Triethanolamine

Pharmaceutical grade triethanolamine with a low impurity profile, used as an intermediate. It is a separate chemically defined amino-alcohol, classifiable under tariff item 2922.15.00.

Triethanolamine 85% Aqueous Solution

An 85% aqueous solution of triethanolamine, permitted under Chapter 29 Note 1(d) as a product dissolved in water. The solution remains a separate chemically defined compound and falls under tariff item 2922.15.00.

Triethanolamine for Cement Additives

Technical grade triethanolamine used as a grinding aid in cement production. It is a separate chemically defined compound, classifiable under tariff item 2922.15.00 regardless of its industrial application.

Triethanolamine for Textile Processing

Triethanolamine used in textile processing, imported as the pure amino-alcohol. The end-use does not affect classification, and it falls under tariff item 2922.15.00.

Triethanolamine Salts (Triethanolamine Hydrochloride)

Triethanolamine hydrochloride, a salt of triethanolamine. Per Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound, so this falls under tariff item 2922.15.00.

Triethanolamine (TEA) 99% Pure

Triethanolamine (TEA) at 99% purity, chemically N(CH2CH2OH)3. It is a viscous amino-alcohol with only hydroxyl oxygen functions, classifiable under tariff item 2922.15.00. Used widely as a pH adjuster.

Diethylamine Perfluorooctane Sulfonate Technical Grade

Diethylamine perfluorooctane sulfonate technical grade is a salt formed between diethylamine and perfluorooctanesulfonic acid. As a salt of an amino-alcohol (diethanolamine) with a perfluoroalkyl sulfonic acid, it falls under tariff item 2922.16.00, which covers diethanolammonium perfluorooctane sulphonate. The technical grade contains impurities permitted by Chapter 29 notes, which do not alter its classification as a separate chemically defined organic compound.

Diethylammonium Perfluorooctane Sulfonate

Diethylammonium perfluorooctane sulfonate is a salt of diethylamine and perfluorooctanesulfonic acid. Although the tariff item specifically names diethanolammonium perfluorooctane sulphonate, this product is chemically analogous as an amino-alcohol salt with a perfluoroalkyl chain. It is classified under heading 29.22 as an oxygen-function amino-compound, specifically as a salt of an amino-alcohol.

Perfluorooctanesulfonic Acid Diethylammonium Salt

Perfluorooctanesulfonic acid diethylammonium salt is the diethylammonium salt of perfluorooctanesulfonic acid. This compound is an amino-alcohol salt with a perfluoroalkyl chain, classifiable under tariff item 2922.16.00 as a diethanolammonium perfluorooctane sulphonate analogue. It is used in specialty wetting agents and polymer processing aids.

PFOS Diethylamine Salt

PFOS diethylamine salt, chemically diethylammonium perfluorooctane sulfonate, is an amino-alcohol salt with a perfluoroalkyl chain. It is classified under tariff item 2922.16.00 as a salt of an amino-alcohol with perfluorooctane sulphonic acid. This compound is commonly used in aqueous fire-fighting foams and electrolytic applications.

Distilled Ethyldiethanolamine Industrial Grade

Distilled ethyldiethanolamine, a separate chemically defined organic compound, is purified by distillation to industrial grade. It is used primarily as a catalyst in polyurethane foam production, falling under tariff item 2922.17.00 as an amino-alcohol.

Ethyldiethanolamine Color-Coded for Safety

Ethyldiethanolamine with a minimal colouring agent added for safety identification, as permitted by Chapter Note 1(g). The colouring does not alter its use as a general chemical intermediate, so it remains classified under tariff item 2922.17.00.

Ethyldiethanolamine (EDEA)

Ethyldiethanolamine (EDEA), a tertiary amino alcohol with the formula C2H5N(CH2CH2OH)2, is explicitly listed under tariff item 2922.17.00. This clear liquid serves as a chemical intermediate in various industrial applications, including the production of surfactants and corrosion inhibitors.

Ethyldiethanolamine with Stabilizer for Transport

Ethyldiethanolamine with a minimal stabilizer added for preservation during transport, as allowed under Chapter Note 1(f). The stabilizer does not change its classification as the base amino-alcohol compound under tariff item 2922.17.00, and it is used in emulsifier manufacturing.

High-Purity Methyldiethanolamine for Gas Sweetening

Ultra-high purity methyldiethanolamine (>99.5%) is a separate chemically defined organic compound, specifically used for natural gas sweetening to remove acid gases. It falls under tariff item 2922.17.00 as a pure oxygen-function amino-alcohol.

Methyldiethanolamine Aqueous Solution 50% for Safety Transport

A 50% aqueous solution of methyldiethanolamine, prepared solely for safe transport, qualifies under Chapter Note 1(d) and (e). The water solvent does not make the product suitable for a specific use, so it falls under tariff item 2922.17.00, used for pH adjustment in industrial processes.

Methyldiethanolamine (MDEA)

Methyldiethanolamine (MDEA) is a tertiary amino alcohol with the chemical formula CH3N(CH2CH2OH)2, classified under tariff item 2922.17.00 as a specific oxygen-function amino-alcohol. It is a colorless viscous liquid used in gas treatment and as a chemical intermediate.

Methyldiethanolamine with Anticaking Agent

Methyldiethanolamine with an added anticaking agent necessary for preservation, as permitted under Chapter Note 1(f). The additive is minimal and does not affect its use in agricultural chemical formulations, so it remains under tariff item 2922.17.00.

Purified Methyldiethanolamine 99% Technical Grade

Purified methyldiethanolamine (99% min) is a chemically defined tertiary amino alcohol, meeting Chapter Note 1(a) for separate organic compounds. It is used in natural gas purification to remove hydrogen sulfide, falling under tariff item 2922.17.00.

2-(N,N-Diisopropylamino)ethanol

2-(N,N-Diisopropylamino)ethanol is a chemically defined organic compound with a single oxygen function (a hydroxyl group) and an amino group, placing it squarely in the amino-alcohols of heading 29.22. It is classified under tariff item 2922.18.00 as the specific compound named therein, regardless of purity or impurities, per Chapter 29 Note 1(a).

2-(N,N-Diisopropylamino)ethanol Hydrochloride

The hydrochloride salt of 2-(N,N-Diisopropylamino)ethanol is an inorganic salt of an organic compound, classified with the parent amino-alcohol per Chapter 29 Note 5(C)(1). It retains the same tariff item as the base compound, 2922.18.00, and is commonly used in stable crystalline form for laboratory and industrial applications.

2-(N,N-Diisopropylamino)ethyl Acetate

The acetate ester of 2-(N,N-Diisopropylamino)ethanol is classified with the parent amino-alcohol per Chapter 29 Note 5(A), as the ester is formed with an acid-function compound (acetic acid) and the amino-alcohol. It falls under tariff item 2922.18.00 and is used as a protected intermediate in organic synthesis.

Diisopropylethanolamine Technical Grade

Technical grade 2-(N,N-Diisopropylamino)ethanol contains allowable impurities but remains a chemically defined organic compound under Chapter 29 Note 1(a). It is classified under tariff item 2922.18.00 and is used in corrosion inhibition and epoxy curing applications.

N-(2-Hydroxyethyl)-N-isopropylpropan-2-amine (99% Pure)

High-purity 2-(N,N-Diisopropylamino)ethanol (99% pure) is a chemically defined organic compound directly matching the description of tariff item 2922.18.00. It is used in research applications such as ligand synthesis and as a base in organic reactions, and qualifies under Chapter 29 Note 1(a).

1-(p-Nitrophenyl)-2-amino-1,3-propanediol

1-(p-Nitrophenyl)-2-amino-1,3-propanediol is a nitro-substituted aromatic amino-alcohol used in organic synthesis and as a pharmaceutical building block. It is a separate chemically defined organic compound with an amino-alcohol structure, falling under this tariff item as an 'other' amino-alcohol.

4,4'-Bis(dimethylamino) benzhydrol (Michler's Hydrol)

Michler's hydrol is an aromatic amino-alcohol compound used primarily as an intermediate in the synthesis of dyes and pigments. It features a benzhydrol core with dimethylamino substituents, classifying it under this tariff item as an 'other' amino-alcohol.

5'-[3'-(Dimethylamino)propyl]-10',11'-dihydro-5H'-dibenzo[a,d]cyclohepten-5'-ol (Dibenzcarbinol)

Dibenzcarbinol is a complex aromatic amino-alcohol serving as a pharmaceutical intermediate and research chemical. Its structure includes a dibenzocycloheptene core with a dimethylaminopropyl chain and hydroxyl group, classifying it under this tariff item as an 'other' amino-alcohol.

Albuterol Sulfate

Albuterol sulfate is the sulfate salt of a selective beta-2 adrenergic agonist, an aromatic amino-alcohol used as a bronchodilator in inhalers and nebulizers. It is a separate chemically defined organic compound with an amino-alcohol structure, falling under this tariff item as an 'other' amino-alcohol.

Bambuterol Hydrochloride

Bambuterol hydrochloride is a prodrug for terbutaline, an aromatic amino-alcohol salt used in respiratory therapy. It is classified under tariff item 2922.19.00 as an 'other' amino-alcohol salt, being a salt of an aromatic amino-alcohol. This pharmaceutical compound is used in the treatment of asthma and COPD.

Benzyl-octanolamine

Benzyl-octanolamine (N-Benzyl-octanolamine) is a synthetic aromatic amino-alcohol used as a chemical intermediate in surfactant production. It is classified under tariff item 2922.19.00 as an 'other' amino-alcohol. The benzyl phenyl ring with an amino-alcohol chain qualifies this compound for this heading.

Bitolterol Mesylate

Bitolterol mesylate is a diester aromatic amino-alcohol salt used as a prodrug for bronchodilation. It falls under tariff item 2922.19.00 as an 'other' amino-alcohol salt, being an ester and salt of an aromatic amino-alcohol. This compound is used in the treatment of asthma and bronchospasm.

Clenbuterol Hydrochloride

Clenbuterol hydrochloride is a sympathomimetic aromatic amino-alcohol salt used in veterinary and research applications. It is classified under tariff item 2922.19.00 as an 'other' amino-alcohol salt. This compound is a beta-2 agonist with bronchodilator properties.