Other
Amine-function compounds. > Aromatic monoamines and their derivatives; salts thereof: > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2921.4
99.5% Pure Aniline Drums
99.5% pure aniline in 200L steel drums is a separate chemically defined aromatic monoamine, meeting the chapter's requirements for heading 29.21. It is the base compound for dyes, pigments, and other industrial chemicals.
2921.41.00Aniline 99.8% Low Impurity
Aniline at 99.8% purity is a high-purity aromatic monoamine, classified under this tariff item as a chemically defined compound. It is used in sensitive pharmaceutical and agrochemical synthesis.
2921.41.00Aniline Acetate
Aniline acetate is a salt formed by combining aniline with acetic acid. It is a chemically defined aromatic monoamine salt used primarily as a dye intermediate and in the production of rubber accelerators. It falls under tariff item 2921.41.00 as a salt of aniline.
2921.41.00Aniline Base 99.95% Spectro Grade
Spectroscopy-grade aniline at 99.95% purity is a separate chemically defined compound, suitable for analytical and research use. It falls under this tariff item as an aromatic monoamine.
2921.41.00Aniline Benzenesulfonate
Aniline benzenesulfonate is a salt of aniline and benzenesulfonic acid, used in detergent production and as a coupling agent. As a salt of aniline, it is classified under tariff item 2921.41.00. The chapter note on numerical order does not apply here because the salt is classified with the amine compound.
2921.41.00Aniline (CAS 62-53-3)
Aniline (CAS 62-53-3) is a primary aromatic amine with the formula C6H5NH2, classified as a chemically defined aromatic monoamine. It is a fundamental building block in organic synthesis for dyes and pharmaceuticals.
2921.41.00Aniline Citrate
Aniline citrate is a salt formed from aniline and citric acid, used as a buffering agent and in complex formation. It is a chemically defined aromatic monoamine salt and is classified under tariff item 2921.41.00. The salt is classified with the amine compound per chapter note 5.
2921.41.00Aniline for Dye Intermediates
High-purity aniline designated for azo dye production is classified as the base aromatic monoamine under this tariff item. It is not a finished dye, so it falls under heading 29.21.
2921.41.00Aniline Formate
Aniline formate is a salt resulting from the neutralization of aniline with formic acid, used as a reducing agent and in textile processing. It is classified under tariff item 2921.41.00 as a salt of aniline. The formate component is secondary to the amine function.
2921.41.00Aniline Hydrobromide
Aniline hydrobromide is a brominated salt of aniline used in pharmaceutical synthesis and as a brominating agent. It is classified under tariff item 2921.41.00 as a salt of aniline. The chapter notes include halogenated derivatives of aniline salts.
2921.41.00Aniline Hydrochloride
Aniline hydrochloride is the salt formed from aniline and hydrochloric acid, appearing as a white crystalline powder. It is used primarily as an intermediate in dye manufacturing and pharmaceutical synthesis. It is classified under tariff item 2921.41.00 as a salt of aniline.
2921.41.00Aniline Oxalate
Aniline oxalate is a dicarboxylic acid salt of aniline, used in metal finishing and as a precipitating agent. It is classified under tariff item 2921.41.00 as a salt of aniline. The oxalate component is secondary to the amine function.
2921.41.00Aniline Phosphate
Aniline phosphate is the phosphate salt of aniline, applied in flame retardants and as a corrosion inhibitor. It is classified under tariff item 2921.41.00 as a salt of aniline. The phosphate component is secondary to the amine function.
2921.41.00Aniline Sulfate
Aniline sulfate, (C6H5NH3)2SO4, is a salt of aniline with sulfuric acid, used in the production of azo dyes and as a reagent in analytical chemistry. It is classified under tariff item 2921.41.00 as a salt of aniline.
2921.41.00Aniline Tartrate
Aniline tartrate is the tartaric acid salt of aniline, employed in chiral resolutions and pharmaceutical intermediates. It is classified under tariff item 2921.41.00 as a salt of aniline. The tartrate component is secondary to the amine function.
2921.41.00Aniline Technical Grade 99.9%
Technical grade aniline at 99.9% purity is the industrial standard form of this aromatic monoamine. It is used primarily in manufacturing MDI for polyurethane foams and antioxidants.
2921.41.00Aniline USP Grade
Aniline meeting USP pharmacopeia standards is a high-purity aromatic monoamine for intermediate synthesis in drugs. It meets chapter requirements for chemically defined compounds.
2921.41.00Aniline with Emetic Additive
Aniline with a trace emetic additive for safety identification is permitted under chapter note (g). The additive does not change its nature as an aromatic monoamine, so it falls under this tariff item.
2921.41.00Aniline with Stabilizer (0.1% diphenylamine)
Aniline stabilized with 0.1% diphenylamine to prevent oxidation is allowed under chapter note (f). The stabilizer is necessary for preservation and does not change its classification as an aromatic monoamine.
2921.41.00Bulk Aniline Railcar Import
Aniline imported in railcars for industrial use is a pure chemically defined compound under this tariff item. It is a standard aromatic monoamine for manufacturing hubs.
2921.41.00High-Purity Aniline for MDI Production
Aniline refined for methylene diphenyl diisocyanate (MDI) synthesis is classified as pure aniline under this tariff item. It is an aromatic monoamine before the reaction.
2921.41.00Molten Aniline (heated transport)
Aniline shipped in molten form at elevated temperatures is still a pure aromatic monoamine under this tariff item. It is a common method for bulk industrial deliveries without solvent addition.
2921.41.00Pharma-Grade Aniline BP
Aniline complying with British Pharmacopoeia standards is a pure aromatic monoamine under this tariff item. It is used for synthesis of pharmaceuticals like paracetamol intermediates.
2921.41.00Redistilled Aniline
Redistilled aniline is purified via fractional distillation to remove impurities, remaining a separate chemically defined aromatic monoamine. It is essential for high-purity applications in pharmaceuticals.
2921.41.00Stabilized Aniline in ISO Tanks
Aniline with minimal stabilizer transported in ISO tanks qualifies under chapter note (f) as an aromatic monoamine. It is used for large-scale polyurethane production.
2921.42.002,3,4-Trifluoroaniline
2,3,4-Trifluoroaniline is a polyfluorinated aniline derivative used in agrochemical and pharmaceutical synthesis. It is a chemically defined aromatic monoamine and is classified under tariff item 2921.42.00 as an aniline derivative.
2921.42.002,4,5-Trichloroaniline
2,4,5-Trichloroaniline is a chemically defined aromatic monoamine derivative with three chlorine atoms on the aniline ring. It is an aniline derivative and falls under tariff item 2921.42.00.
2921.42.002,4,5-Trichloroaniline (98% Pure Technical Grade)
Technical grade 2,4,5-trichloroaniline at 98% purity is a separate chemically defined compound per Chapter 29 note (a). It is classified under tariff item 2921.42.00 as an aniline derivative.
2921.42.002,4,5-Trichloroaniline Hydrochloride Salt
2,4,5-Trichloroaniline hydrochloride salt is an inorganic salt of an amine-function compound, classified with the organic compound per Chapter 29 note 5(C)(1). It falls under tariff item 2921.42.00.
2921.42.002,4-Dichloroaniline
2,4-Dichloroaniline is a halogenated aromatic monoamine with two chlorine atoms on the aniline ring. It is an aniline derivative used in herbicide and dye manufacturing, falling under tariff item 2921.42.00.
2921.42.002,5-Dichloroaniline
2,5-Dichloroaniline is a dihalogenated aniline compound used as an intermediate in rubber antioxidants and pharmaceutical synthesis. As a chemically defined aromatic monoamine with halogen substituents, it falls under tariff item 2921.42.00 for aniline derivatives and their salts.
2921.42.002-Chloro-5-nitroaniline
2-Chloro-5-nitroaniline is an aniline derivative with both halogen and nitro substituents, used as an intermediate in disperse dyes and pharmaceuticals. It is a chemically defined aromatic monoamine, classified under tariff item 2921.42.00.
2921.42.003,4-Dichloroaniline
3,4-Dichloroaniline is a chemically defined aromatic monoamine with chlorine atoms at the 3 and 4 positions of the aniline ring. It is used as an intermediate in the synthesis of dyes, agrochemicals, and pharmaceuticals, and is classified under tariff item 2921.42.00.
2921.42.003,4-Dichloroaniline Hydrochloride Salt
3,4-Dichloroaniline Hydrochloride Salt is the protonated form of 3,4-dichloroaniline, improving solubility and stability for industrial handling. As a salt of an aniline derivative, it is classified under tariff item 2921.42.00 per Chapter 29 note 5(C)(1).
2921.42.003,4-Dichloroaniline with Stabilizer for Transport
3,4-Dichloroaniline with Stabilizer for Transport is the base compound with an anticaking agent added solely for safe bulk transport. Per Chapter 29 note (f), the addition does not affect classification, so it remains under tariff item 2921.42.00.
2921.42.003,5-Dichloroaniline
3,5-Dichloroaniline is a symmetrically substituted dihalogenated aniline used in pesticide synthesis and as an analytical reagent. As a chemically defined aromatic monoamine, it is classified under tariff item 2921.42.00 for aniline derivatives.
2921.42.004-Chloro-3-nitroaniline
4-Chloro-3-nitroaniline is an aniline derivative with chloro and nitro substituents, used in hair dye formulations and agrochemical synthesis. It is a chemically defined aromatic monoamine, classified under tariff item 2921.42.00.
2921.42.00Bulk Sulfanilic Acid Flakes
Bulk sulfanilic acid flakes are used for industrial dye and pigment manufacturing. As a chemically defined aniline derivative salt, the physical form does not affect classification, and it falls under tariff item 2921.42.00.
2921.42.00Metanilic Acid
Metanilic acid (3-aminobenzenesulfonic acid) is a chemically defined aromatic monoamine derivative used as a key intermediate in dye synthesis. It is classified under tariff item 2921.42.00 as an aniline derivative and salt thereof.
2921.42.00Metanilic Acid for Dye Synthesis
Purified metanilic acid packaged specifically for azo dye production is a diazotizable amine used as a coupling agent in textile colorant manufacturing. It meets Chapter 29 note 1(h) for diluted standard strengths and is classified under tariff item 2921.42.00.
2921.42.00Metanilic Acid Sodium Salt
The sodium salt of metanilic acid is a water-soluble aromatic amine derivative used in azo dye manufacturing. As a salt of an aniline derivative, it is classified under tariff item 2921.42.00 per Chapter 29 note 5(C).
2921.42.00m-Nitroaniline
m-Nitroaniline (3-nitroaniline) is a nitrated aromatic monoamine used in azo dye production and as a corrosion inhibitor. It is a chemically defined aniline derivative, classified under tariff item 2921.42.00.
2921.42.00N-Ethylaniline
N-Ethylaniline is a chemically defined aromatic monoamine derivative with an ethyl group attached to the nitrogen of aniline. It is an aniline derivative and falls under tariff item 2921.42.00.
2921.42.00N-Ethylaniline (98% Pure Technical Grade)
Technical grade N-Ethylaniline at 98% purity with minor impurities is still classified as a separate chemically defined compound per Chapter 29 note (a). It is used in dye manufacturing and as a corrosion inhibitor.
2921.42.00N-Ethylaniline Aqueous Solution (50% w/w)
N-Ethylaniline aqueous solution at 50% w/w is a product of heading 2921.42 dissolved in water, per Chapter 29 note (d). It is used in controlled-release pesticide formulations.
2921.42.00N,N-Diethylaniline
N,N-Diethylaniline is a tertiary aromatic amine with two ethyl groups on the nitrogen atom of aniline. It is an aniline derivative used as an intermediate in producing dyes and pharmaceuticals, falling under tariff item 2921.42.00.
2921.42.00N,N-Diethylaniline with Stabilizer
N,N-Diethylaniline with a necessary stabilizer for preservation during transport is classified under tariff item 2921.42.00 per Chapter 29 note (f). It is primarily used in pharmaceutical synthesis.
2921.42.00N,N-Diethylmetanilic Acid
N,N-Diethylmetanilic acid is an aniline derivative with diethylamino and sulfonic acid groups, used in specialty dye and surfactant synthesis. As a chemically defined aromatic monoamine, it is classified under tariff item 2921.42.00.
2921.42.00N,N-Diethylmetanilic Acid Sodium Salt
The sodium salt of N,N-diethylmetanilic acid is a water-soluble aniline sulfonic acid derivative used in direct dye manufacturing. As a salt of an aniline derivative, it is classified under tariff item 2921.42.00 per Chapter 29 note 5(C).
2921.42.00N,N-Dimethylaniline
N,N-Dimethylaniline is a chemically defined aromatic monoamine derivative where two methyl groups are attached to the nitrogen atom of aniline. It is an aniline derivative and falls under tariff item 2921.42.00 as an aniline derivative and its salts.
2921.42.00N,N-Dimethylaniline in 10% Aqueous Solution
N,N-Dimethylaniline in a 10% aqueous solution is a product of heading 2921.42 dissolved in water, qualifying under Chapter 29 note (d). The solution is a normal method of putting up the product for handling and transport.
2921.42.00N,N-Dimethylaniline Stabilized with Hydroquinone
N,N-Dimethylaniline stabilized with hydroquinone is a chemically defined compound with an added stabilizer necessary for preservation during transport, per Chapter 29 note (f). The stabilizer does not alter the product's classification.
2921.42.00N,N-Dimethylaniline Technical Grade 99%
Technical grade N,N-Dimethylaniline at 99% purity is a separate chemically defined organic compound used in industrial dye manufacturing. It falls under tariff item 2921.42.00 as an aniline derivative.
2921.42.00o-Aminobenzenesulfonic Acid (Orthanilic Acid)
o-Aminobenzenesulfonic acid (orthanilic acid) is a chemically defined aromatic monoamine with amino and sulfonic acid groups on a benzene ring. It is a key intermediate in dye synthesis and is classified under tariff item 2921.42.00 as an aniline derivative.
2921.42.00p-Fluoroaniline
p-Fluoroaniline (4-fluoroaniline) is a fluorinated aniline derivative used as an intermediate in pharmaceuticals such as fluoroquinolone antibiotics and agrochemicals. As a chemically defined aromatic monoamine, it is classified under tariff item 2921.42.00.
2921.42.00Pharmaceutical Grade Metanilic Acid
Pharmaceutical grade metanilic acid (>99.5% purity) is used for synthesis of sulfonamide antibiotics and pharmaceutical intermediates. As a chemically defined aromatic monoamine derivative, it is classified under tariff item 2921.42.00.
2921.42.00Pharmaceutical Grade Sulfanilic Acid USP
Pharmaceutical Grade Sulfanilic Acid USP is a high-purity aromatic monoamine derivative used in diagnostic reagents and the synthesis of sulfa drugs. It meets pharmacopeia standards and is classified as a separate chemically defined organic compound under Chapter 29.
2921.42.00Purified 3,4-Dichloroaniline Flakes
Purified 3,4-Dichloroaniline Flakes is a high-purity form processed into stable flakes for use as a pharmaceutical intermediate. It meets Chapter 29 criteria as a separate chemically defined compound and is classified under tariff item 2921.42.00.
2921.42.00Reagent Grade N,N-Dimethylaniline 99.5% ACS
Reagent grade N,N-Dimethylaniline at 99.5% purity is a chemically defined compound for laboratory use. It is classified under tariff item 2921.42.00 as an aniline derivative, meeting Chapter 29 scope despite high purity.
2921.42.00Stabilized 2,4,5-Trichloroaniline with Antioxidant
Stabilized 2,4,5-Trichloroaniline with an antioxidant is classified under tariff item 2921.42.00 per Chapter 29 note (f). The stabilizer is necessary for preservation during transport.