1-(Phenylamino)naphthalin-8-sulfonic Acid (Naphthol AS) from Germany
Naphthol AS is a substituted naphthylamine derivative used as a dye coupler in pigment printing. It falls under HTS 2921.45.90.90 as an 'other' derivative featuring the naphthylamine core with phenylamino substitution. The classification adheres to Chapter 29's amine-function provisions.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide synthesis route documentation showing naphthylamine origin
• Test for free naphthylamine content (<20ppm) to meet safety import standards
• Label with GHS hazard pictograms; sensitizing properties require special handling manifests