N-Phenyl-p-nitroaniline
N-Phenyl-p-nitroaniline, synonymous with 4-nitrodiphenylamine, is a pure aromatic amine derivative used in dye synthesis. It qualifies under HTS 2921.44.10.00 per Chapter 29 notes for chemically defined monoamine derivatives.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If derived from p-phenylenediamine
Specific derivatives of aniline-based diamines have separate provisions.
If when used as synthetic organic luminophore
Coloring matter and luminophores excluded from Chapter 29.
If containing heterocyclic ring structure
Heterocyclic compounds classified later in Chapter 29.
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Import Tips & Compliance
• Synonym declarations must match chemical nomenclature exactly
• Include NMR spectra in documentation if purity disputed
• Comply with dye precursor regulations
Related Products under HTS 2921.44.10.00
4-Nitrodiphenylamine
4-Nitrodiphenylamine is a nitro-substituted derivative of diphenylamine, featuring a nitro group at the para position on one phenyl ring. It falls under HTS 2921.44.10.00 as a specific nitrodiphenylamine compound within the aromatic monoamine derivatives category of Chapter 29. This chemically defined organic compound is used in chemical synthesis and as an intermediate.
2-Nitrodiphenylamine
2-Nitrodiphenylamine contains a nitro group at the ortho position of diphenylamine, making it a key derivative used in organic synthesis and rubber antioxidants. Classified under HTS 2921.44.10.00 due to its status as a chemically pure nitrodiphenylamine aromatic monoamine. It conforms to Chapter 29's provisions for separate organic compounds.
Mononitrodiphenylamine (Mixture of Isomers)
A mixture of primarily 2- and 4-nitrodiphenylamine isomers, considered chemically defined under Chapter 29 notes (b). It is imported for use as a dye intermediate and stabilizer. Falls under HTS 2921.44.10.00 as nitrodiphenylamine derivatives.
4,4'-Dinitrodiphenylamine Technical Grade
Technical grade 4,4'-dinitrodiphenylamine used in explosive manufacturing and as a corrosion inhibitor. While primarily dinitro, certain mononitro-dominant batches fall under HTS 2921.44.10.00 when chemically defined as nitrodiphenylamine. Meets Chapter 29 purity standards.
Nitrodiphenylamine Rubber Antioxidant
Specialty nitrodiphenylamine formulated as an antioxidant for rubber vulcanization, but imported as pure chemical meeting Chapter 29 definitions. Classified under HTS 2921.44.10.00 as the base aromatic monoamine derivative.
2,4-Dinitrodiphenylamine
2,4-Dinitrodiphenylamine serves as an intermediate in pharmaceutical and agrochemical production. Certain high-purity mononitro variants or mixtures classify under HTS 2921.44.10.00 as nitrodiphenylamine.