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1-(Phenylamino)naphthalin-8-sulfonic Acid from Mexico

This N-phenyl substituted peri acid derivative serves in acid dye manufacture. Falls under HTS 2921.45.90 as 'other' 1-Naphthylamine derivative per amine-function classification rules. Dual functionality but retains Chapter 29 status.

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

Complex name requires IUPAC documentation; provide structural formula

Molecular weight 319.37g/mol aids verification; include assay results

Special handling for potential skin sensitizer per SDS