Diphenylamine and its derivatives; salts thereof
Amine-function compounds. > Acyclic monoamines and their derivatives; salts thereof: > Methylamine, di- or trimethylamine and their salts > Diphenylamine and its derivatives; salts thereof
Duty Rate (from China)
Products classified under Tariff item 2921.44
2,4-Dinitrodiphenylamine
2,4-Dinitrodiphenylamine is a dinitro derivative of diphenylamine used as an intermediate in pharmaceutical and agrochemical production. It is a chemically defined compound that falls under tariff item 2921.44.00 as a derivative of diphenylamine.
2921.44.002-Nitrodiphenylamine
2-Nitrodiphenylamine is a nitro derivative of diphenylamine with the nitro group at the ortho position. It is used in organic synthesis and as a rubber antioxidant, and is classified under tariff item 2921.44.00 as a diphenylamine derivative.
2921.44.004,4'-Bis(α,α-dimethylbenzyl)diphenylamine
4,4'-Bis(α,α-dimethylbenzyl)diphenylamine is a sterically hindered diphenylamine derivative used as an antioxidant and stabilizer in rubber and polymer production. It is a chemically defined organic compound that falls under tariff item 2921.44.00 as a derivative of diphenylamine and its salts.
2921.44.004,4'-Di-alpha-cumyl Diphenylamine
4,4'-Di-alpha-cumyl Diphenylamine is a sterically hindered diphenylamine derivative used as a premium antioxidant for natural and synthetic rubber. It is a chemically defined compound that falls under tariff item 2921.44.00.
2921.44.004,4'-Dinitrodiphenylamine Technical Grade
4,4'-Dinitrodiphenylamine Technical Grade is used in explosive manufacturing and as a corrosion inhibitor. As a chemically defined dinitro derivative of diphenylamine, it is classified under tariff item 2921.44.00.
2921.44.004-Nitrodiphenylamine
4-Nitrodiphenylamine is a nitro-substituted derivative of diphenylamine with the nitro group at the para position. It is used in dye synthesis and as a chemical intermediate, and is classified under tariff item 2921.44.00.
2921.44.00Monomethyldiphenylamine
Monomethyldiphenylamine is a methylated derivative of diphenylamine used as an intermediate in dye manufacturing and rubber antioxidants. It is a chemically defined compound that falls under tariff item 2921.44.00.
2921.44.00Mononitrodiphenylamine (Mixture of Isomers)
Mononitrodiphenylamine is a mixture of primarily 2- and 4-nitrodiphenylamine isomers. Under Chapter 29 Note 1(b), mixtures of isomers of the same organic compound are classified as chemically defined, and this product falls under tariff item 2921.44.00.
2921.44.00Naugard XL-1 Antioxidant (4,4'-Bis(α,α-dimethylbenzyl)diphenylamine)
Naugard XL-1 is a commercial grade of 4,4'-Bis(α,α-dimethylbenzyl)diphenylamine used in tire and rubber compounding. As a chemically defined diphenylamine derivative, it is classified under tariff item 2921.44.00, provided it meets the purity standards of Chapter 29.
2921.44.00Nitrodiphenylamine Rubber Antioxidant
Nitrodiphenylamine Rubber Antioxidant is a specialty nitrodiphenylamine imported as a pure chemical for use as an antioxidant in rubber vulcanization. It is classified under tariff item 2921.44.00 as a diphenylamine derivative.
2921.44.00N-Nitrosodiphenylamine
N-Nitrosodiphenylamine is a nitroso derivative of diphenylamine used as an intermediate in organic synthesis and as a reagent in analytical chemistry. It is a chemically defined compound that falls under tariff item 2921.44.00 as a derivative of diphenylamine.
2921.44.00N-Nitrosodiphenylamine Analytical Standard
N-Nitrosodiphenylamine Analytical Standard is a high-purity (99.5%+) certified reference material used for laboratory analysis. As a chemically defined diphenylamine derivative, it is classified under tariff item 2921.44.00, consistent with Chapter 29 purity requirements.
2921.44.00N-Phenyl-1-Naphthylamine (Neozone D)
N-Phenyl-1-Naphthylamine (Neozone D) is an aromatic amine derivative used primarily as an antioxidant and stabilizer in rubber and tire production. It is a chemically defined compound that falls under tariff item 2921.44.00 as a diphenylamine derivative.
2921.44.00N-Phenyl-p-nitroaniline
N-Phenyl-p-nitroaniline, synonymous with 4-nitrodiphenylamine, is a pure aromatic amine derivative used in dye synthesis. It is classified under tariff item 2921.44.00 as a diphenylamine derivative.
2921.44.00Vulkanox ZMF Rubber Stabilizer
Vulkanox ZMF is a trade name for high-purity 4,4'-Bis(α,α-dimethylbenzyl)diphenylamine used in automotive tire manufacturing. It is a chemically defined diphenylamine derivative classified under tariff item 2921.44.00.