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Naphthol AS-D Dye Intermediate from Mexico

Naphthol AS-D (C.I. Azoic Coupling Component 3) is an aromatic cyclic amide derivative used as a coupling component in the synthesis of azo dyes for textile coloration. It falls under HTS 2924.29.36.00 as a naphthol AS derivative with carboxyamide-function, classified among aromatic cyclic amides other than the base naphthol AS. This chemically defined organic compound is essential for producing vibrant, fast dyes on cotton and other fibers.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Verify purity certificates and chemical analysis to confirm classification as a naphthol AS derivative under Chapter 29 note (a)

Provide Safety Data Sheets (SDS) and ensure packaging meets UN standards for hazardous organic chemicals during transport

Avoid misclassification as finished dyes (Chapter 32); include lab test results showing it's a dye intermediate