1,8-Naphthalenediamine Flake Form

Flake-form 1,8-naphthalenediamine is a solid aromatic polyamine used in pharmaceutical intermediates and polymers. It is specifically identified under HTS 2921.59.04.00, excluding exclusions like salts or mixtures.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.99.97.01Lower: 6.5% vs 35%

If heterocyclic ring modified

Addition of heteroatoms beyond amine groups moves to heterocyclic compounds.

3824.99Lower: 15% vs 35%

If bulk for retail packaging

Put up for retail sale in small packs may classify as chemical preparations.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify flake size and melting point in docs; ensure ICH Q7 GMP compliance for pharma use; monitor for moisture absorption during shipping

Related Products under HTS 2921.59.04.00

1,8-Naphthalenediamine

1,8-Naphthalenediamine, also known as 1,8-diaminonaphthalene, is a chemically defined aromatic polyamine with the molecular formula C10H12N2. It falls under HTS 2921.59.04.00 as a specific derivative of aromatic polyamines, used primarily in organic synthesis and dye production.

1,8-Diaminonaphthalene Technical Grade

Technical grade 1,8-diaminonaphthalene is a high-purity aromatic polyamine derivative used in polymer and dye manufacturing. Classified under HTS 2921.59.04.00 due to its specific chemical identity as a separate chemically defined organic compound.

CAS 137-30-4 1,8-Naphthalenediamine Powder

Pure powdered 1,8-naphthalenediamine (CAS 137-30-4) is an aromatic polyamine essential for synthesizing azo dyes and rubber antioxidants. It matches HTS 2921.59.04.00 as the explicitly named compound in the tariff schedule.

1,8-Diaminonaphthalene with Stabilizer

Stabilized 1,8-diaminonaphthalene includes necessary anticaking agents for preservation during transport, remaining a chemically defined aromatic polyamine. It qualifies under HTS 2921.59.04.00 per chapter note (f) for added stabilizers.

High Purity 1,8-Naphthalenediamine for Dye Synthesis

High-purity 1,8-naphthalenediamine is supplied for azo dye production as a key aromatic polyamine intermediate. Classified precisely under HTS 2921.59.04.00 as the named compound, meeting chapter requirements for separate organic compounds.

Industrial 1,8-Diaminonaphthalene for Polymers

Industrial-grade 1,8-diaminonaphthalene serves as a curing agent in epoxy resins and polyurethanes, as an aromatic polyamine. HTS 2921.59.04.00 covers this exact compound per tariff specificity.