Other

Ethylenediamine

Ethylenediamine (EDA), a colorless liquid with the formula H2NCH2CH2NH2, is a separate chemically defined acyclic polyamine. It is a key industrial intermediate used in the production of chelating agents, fungicides, and pharmaceuticals, and is classifiable under tariff item 2921.21.00.

Ethylenediamine Dihydrochloride

Ethylenediamine dihydrochloride is the salt form of ethylenediamine, a white crystalline powder used in pharmaceutical synthesis and polymer curing. As a salt of an organic compound, it is classified in the same heading as the parent compound under Chapter 29 Note 5(C)(1), falling under tariff item 2921.21.00.

Ethylenediamine Monohydrate

Ethylenediamine monohydrate is an aqueous solution of ethylenediamine, typically at standard transport concentrations (30-70% EDA). Under Chapter 29 Note 1(d), aqueous solutions of chemically defined organic compounds are classified in the same heading, thus falling under tariff item 2921.21.00.

Ethylenediamine Tetraacetic Acid (EDTA) Precursor Grade

High-purity ethylenediamine (EDA) graded for use as a precursor in EDTA chelant synthesis. It is a separate chemically defined acyclic polyamine, meeting the criteria of Chapter 29 Note 1(a), and is classifiable under tariff item 2921.21.00 as ethylenediamine and its salts.

N-Ethylethylenediamine

N-Ethylethylenediamine is a derivative of ethylenediamine with an ethyl group substituted on one nitrogen atom. It remains an acyclic polyamine and, as a derivative of ethylenediamine, is classifiable under tariff item 2921.21.00 per the subheading note on derivatives of chemical compounds.

AH Salt for Nylon Production

AH Salt, also known as hexamethylenediamine adipate, is the salt formed from hexamethylenediamine and adipic acid. It is the monomer salt used in the production of Nylon 6,6 resins. This product falls under tariff item 2921.22.00 as it is a salt of hexamethylenediamine.

Di(hexamethylene)triamine Dihydrochloride

Di(hexamethylene)triamine Dihydrochloride is a derivative polyamine salt from hexamethylenediamine used in fuel additives and chelating agents. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Hexamethylenediamine Adipate (Nylon Salt)

Hexamethylenediamine adipate, or Nylon salt, is a 1:1 salt of hexamethylenediamine and adipic acid. It serves as the direct precursor for Nylon 6,6 polymer production. This salt is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Hexamethylenediamine Adipate Salt

Hexamethylenediamine Adipate Salt is a 1:1 salt formed from hexamethylenediamine and adipic acid. It is used as a key intermediate in Nylon 6,6 production. This compound is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Hexamethylenediamine Adipic Acid Monosalt

Hexamethylenediamine Adipic Acid Monosalt is a partial neutralization product with a 1:0.5 molar ratio of hexamethylenediamine to adipic acid. It is used in specialty polymer modifiers. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Hexamethylenediamine Citrate

Hexamethylenediamine Citrate is a citric acid salt used in pharmaceutical buffering and nutritional supplements. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Hexamethylenediamine Epoxy Adduct

Hexamethylenediamine Epoxy Adduct is a reaction product of hexamethylenediamine with epoxy resin, used as a curing agent. It retains polyamine character and is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Hexamethylenediamine Hydrochloride

Hexamethylenediamine Hydrochloride is the hydrochloride salt of hexamethylenediamine, appearing as a white crystalline powder used in organic synthesis. It is classified under tariff item 2921.22.00 as a salt of the acyclic polyamine hexamethylenediamine, which falls within the amine-function compounds of Chapter 29. The product is a separate chemically defined organic compound, qualifying under the chapter's scope for salts of organic compounds.

Hexamethylenediamine Monoacetate

Hexamethylenediamine Monoacetate is the monoacetic acid salt of hexamethylenediamine, used in textile finishing agents. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, an acyclic polyamine. The product is a chemically defined organic compound, and its classification follows the amine component per Chapter 29 notes.

Hexamethylenediamine Phosphate

Hexamethylenediamine Phosphate is a phosphate salt derivative of hexamethylenediamine, used in flame retardant formulations and polymer modifiers. It is classified under tariff item 2921.22.00 as a salt of the acyclic polyamine hexamethylenediamine. The product is a chemically defined organic compound, and its classification is based on the amine component.

Hexamethylenediamine Sebacate

Hexamethylenediamine Sebacate is the salt of hexamethylenediamine with sebacic acid, used in nylon 6,10 production. It is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine, an acyclic polyamine. The classification follows the amine component, as per Chapter 29 notes on salts of organic compounds.

Hexamethylenediamine Sulfate

Hexamethylenediamine Sulfate is the sulfate salt of hexamethylenediamine, used as a corrosion inhibitor intermediate and in water treatment chemicals. It is classified under tariff item 2921.22.00 as a salt of the acyclic polyamine hexamethylenediamine. The product is typically supplied as a 50-70% aqueous solution, which is covered by Chapter 29 notes for products dissolved in water.

Industrial Grade Hexamethylenediamine Diadipate

Industrial Grade Hexamethylenediamine Diadipate is a 1:2 salt ratio of hexamethylenediamine to adipic acid, providing excess carboxylic functionality for specialized nylon copolymer production. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Industrial Nylon Salt Flakes

Industrial Nylon Salt Flakes are a flaked form of hexamethylenediamine adipate, optimized for continuous polymerization reactors. The flake form facilitates uniform melting and reaction control in nylon production. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

N,N'-Diacetyl Hexamethylenediamine

N,N'-Diacetyl Hexamethylenediamine is an acetylated derivative of hexamethylenediamine, used as a pharmaceutical intermediate and polymer crosslinker. It is classified under tariff item 2921.22.00 as a derivative of the acyclic polyamine hexamethylenediamine. The product is a chemically defined organic compound, and its classification follows the base polyamine per Chapter 29 notes.

Nylon 6,6 Polymerization Salt

Nylon 6,6 Polymerization Salt is an industrial-grade hexamethylenediamine adipate used exclusively in melt polymerization for Nylon 6,6. This salt is the defined reaction product of hexamethylenediamine and adipic acid. It falls under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Nylon 6,6 Polymerization Salt (AH Salt)

Nylon 6,6 Polymerization Salt (AH Salt) is the industrial name for hexamethylenediamine adipate used directly in nylon 6,6 manufacturing. It is derived from adipic acid and hexamethylenediamine. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Polymer-Grade Hexamethylenediamine Adipate

Polymer-Grade Hexamethylenediamine Adipate is a high-purity (>99.5%) salt used in premium Nylon 6,6 for automotive and aerospace applications. It is the named acyclic polyamine salt of hexamethylenediamine. This product is classified under tariff item 2921.22.00.

Purified Nylon Salt for High-Performance Fibers

Purified Nylon Salt for High-Performance Fibers is a high-purity (>99.5%) hexamethylenediamine adipate salt for premium nylon 6,6 tire cord and airbag yarn production. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Stabilized Hexamethylenediamine Adipate for Transport

Stabilized Hexamethylenediamine Adipate for Transport includes added commercial stabilizers to prevent oxidation during bulk transport. The stabilizer does not change the product's classification. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

Technical Grade 6,6-Nylon Salt Solution 60%

Technical Grade 6,6-Nylon Salt Solution 60% is a 60% aqueous solution of hexamethylenediamine adipate for nylon polymerization reactors. The water content constitutes normal transport preparation. This product is classified under tariff item 2921.22.00 as a salt of hexamethylenediamine.

1,2-Propylenediamine

1,2-Propylenediamine is a vicinal diamine with two primary amine groups on a three-carbon chain. As an acyclic polyamine not specifically named in other headings, it is classified under this tariff item for other acyclic polyamines.

1,3-Diaminopropane

1,3-Diaminopropane is a linear acyclic diamine with two primary amine groups separated by three methylene units. It is used in curing agents and cross-linking applications and falls under this tariff item as an other acyclic polyamine.

1,6-Diaminohexane Dihydrochloride

1,6-Diaminohexane dihydrochloride is the hydrochloride salt of 1,6-diaminohexane, an acyclic diamine. Per Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound, placing this salt under this tariff item.

Bis(hexamethylene)triamine

Bis(hexamethylene)triamine is a long-chain acyclic triamine with three amine groups connected by hexamethylene bridges. It is used in high-performance polyamides and falls under this tariff item as an other acyclic polyamine.

Cadaverine Hydrochloride

Cadaverine hydrochloride, the salt of 1,5-diaminopentane, is an acyclic polyamine derivative classified under tariff item 2921.29.00 per Chapter 29 salt classification rules. It is used in biochemical research and as a chemical intermediate.

DETA Flake Form Stabilized

Stabilized diethylenetriamine in flake form with an anti-oxidant additive remains classified under tariff item 2921.29.00 as the stabilizer is necessary for preservation per Chapter 29, Note 1(f). It is used in epoxy resin curing systems.

Diethylenetriamine (DETA)

Diethylenetriamine (DETA) is a linear acyclic polyamine with two primary and one secondary amine group. It is widely used as an epoxy resin curing agent and falls under this tariff item as an other acyclic polyamine.

Diethylenetriamine (DETA) Impurity-Free TETA

High-purity triethylenetetramine (TETA) manufactured to minimize diethylenetriamine impurities is classified under tariff item 2921.29.00 as an acyclic polyamine. It is critical for high-performance epoxy systems in aerospace composites.

Diethylenetriamine Pentaacetic Acid (DTPA) Ammonium Salt

Diethylenetriamine pentaacetic acid (DTPA) ammonium salt is a chelating agent with a polyamine backbone. While it contains carboxylic acid functions, the polyamine structure is the primary characteristic, and as a salt of an organic base, it is classified with the parent polyamine under this tariff item.

Diethylenetriamine Technical Grade 99%

Technical grade diethylenetriamine with 99% purity is an acyclic polyamine under tariff item 2921.29.00, used primarily in manufacturing water treatment chemicals and fuel additives. It meets Chapter 29 requirements for chemically defined compounds.

Diethylenetriamine with Emetic Additive

Diethylenetriamine containing an emetic for safety identification is classified under tariff item 2921.29.00 per Chapter 29, Note 1(g), as the addition does not render the product suitable for a specific use. It is common in industrial chemical distribution.

Distilled Tetraethylene Pentamine

Distilled tetraethylene pentamine (TEPA) is a high-purity acyclic polyamine with five amine groups, used primarily in polyamide resin synthesis and corrosion inhibition. It qualifies as a separate chemically defined organic compound under Chapter 29, Note 1(a), and is classified under tariff item 2921.29.00 as an 'other' acyclic polyamine.

Ethanolamine Mixtures (Di/Tri)

Ethanolamine mixtures containing diethanolamine and triethanolamine are classified as acyclic polyamine derivatives. These mixtures are used as emulsifiers, corrosion inhibitors, and gas treatment agents. They fall under this tariff item as mixtures of isomers of the same organic compound, per Chapter Note 1(b).

Ethylenediamine

Ethylenediamine is a simple acyclic diamine with two primary amine groups connected by an ethylene bridge. It is a fundamental building block in chemical synthesis and falls under this tariff item as an other acyclic polyamine.

Ethylenediamine Dihydrochloride

Ethylenediamine dihydrochloride is the dihydrochloride salt of ethylenediamine, an acyclic polyamine with two amino groups. It is used as a curing agent for epoxy resins, a chemical intermediate, and a laboratory reagent. As a salt of an acyclic polyamine, it is classified under this tariff item.

Ethylenediamine Dihydrochloride Salt

Ethylenediamine dihydrochloride is the dihydrochloride salt of ethylenediamine. Per Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound, placing this salt under this tariff item.

Hexamethylenediamine

Hexamethylenediamine is a straight-chain acyclic diamine with two primary amine groups at each end of a six-carbon chain. It is a key monomer in nylon-6,6 production and falls under this tariff item as an other acyclic polyamine.

High Purity Diethylenetriamine 99.5%+

Ultra-high purity diethylenetriamine (>99.5%) for pharmaceutical synthesis is classified under tariff item 2921.29.00 for acyclic polyamines. Its chemical purity ensures compliance with Chapter 29, Note 1(a) for separate chemically defined compounds.

High Purity Tetraethylene Pentamine 99%

High-purity tetraethylene pentamine (TEPA) at 99% purity is a separate chemically defined acyclic polyamine, classified under tariff item 2921.29.00. It is essential for pharmaceutical intermediates and high-performance epoxy systems.

Industrial Tetraethylene Pentamine Flake

Industrial tetraethylene pentamine in flake form includes an anti-caking agent necessary for preservation and transport, as permitted by Chapter 29, Note 1(f). It remains classified as an acyclic polyamine under tariff item 2921.29.00, used in chelate production and oil additives.

N-(2-Aminoethyl)propane-1,3-diamine

N-(2-Aminoethyl)propane-1,3-diamine is a triamine with both ethylene and propylene diamine units. As an acyclic polyamine derivative not specifically named elsewhere, it falls under this tariff item for other acyclic polyamines.

N,N-Dimethylethylenediamine

N,N-Dimethylethylenediamine is a derivative of ethylenediamine with methyl substituents on one nitrogen atom. As an acyclic polyamine derivative, it falls under this tariff item for other acyclic polyamines.

Polyetheramine D230 (Jeffamine D230)

Polyetheramine D230 (Jeffamine D230) is a difunctional primary amine-terminated polyether with a molecular weight of approximately 230. While it contains ether linkages, the terminal amine functions give it the character of an acyclic polyamine derivative, placing it under this tariff item.

Propylenediamine

Propylenediamine is a branched acyclic diamine with two primary amine groups on a three-carbon chain. It is used in epoxy hardeners and fuel additives and falls under this tariff item as an other acyclic polyamine.

Spermine Tetrahydrochloride

Spermine tetrahydrochloride is the tetrahydrochloride salt of spermine, a naturally occurring polyamine with four amino groups. It is used in biochemical research, particularly in studies of cell growth and nucleic acid interactions. As a salt of an acyclic polyamine, it is classified under this tariff item.

Stabilized Triethylenetetramine for Export

Stabilized triethylenetetramine for export includes a stabilizer to prevent oxidation during long-distance marine transport, as permitted by Chapter 29, Note 1(f). It maintains classification under tariff item 2921.29.00 as an acyclic polyamine.

Technical Grade Tetraethylene Pentamine 95%

Technical grade tetraethylene pentamine at 95% purity contains minor impurities but remains a separate chemically defined acyclic polyamine under Chapter 29, Note 1(a). It is used in epoxy resin hardeners and chelating agents, classified under tariff item 2921.29.00.

Technical Grade Triethylenetetramine 98% Pure

Technical grade triethylenetetramine at 98% minimum purity is classified under tariff item 2921.29.00 as a designated acyclic polyamine. It is used in industrial applications including polyurethane production and metal chelation.

TETA Dihydrochloride Salt

Triethylenetetramine dihydrochloride salt is classified under tariff item 2921.29.00 per Chapter 29, Note 5(C)(1), which places inorganic salts of organic compounds with the parent compound. It is used in pharmaceutical chelation therapy and water treatment.

Tetraethylene Pentamine (TEPA)

Tetraethylene pentamine (TEPA) is an acyclic polyamine with five amine groups, classified under tariff item 2921.29.00 as a chemically defined organic compound. It is a colorless to yellow viscous liquid used primarily in epoxy curing agents and lubricant additives.

Tetraethylenepentamine (TEPA)

Tetraethylenepentamine (TEPA) is a higher acyclic polyamine with five amine groups in a linear chain. It is used in oilfield chemicals and asphalt modification and falls under this tariff item as an other acyclic polyamine.

Tetraethylene Pentamine with Stabilizer

Tetraethylene pentamine with added stabilizers for preservation falls under tariff item 2921.29.00 per Chapter 29, Note 1(f). The stabilizer is necessary for preservation, and the product remains classified as the base acyclic polyamine, used in asphalt emulsifiers and fabric softeners.