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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stabilizer renders it a mixture
Excess additives making it suitable for specific use shifts to chemical mixtures in Chapter 38.
If toluidine-derived impurity
Material blend with toluidine base changes to specific aromatic amine derivative heading.
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Import Tips & Compliance
• Document stabilizer as necessary for transport only; ensure total additives <5% by weight; declare exact composition to avoid mixture reclassification
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.
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.
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.
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.