Gamma Acid (2-Amino-8-naphthol-6-sulfonic Acid) from Germany
Gamma acid functions as a dye coupler with amino, naphthol, and sulfonic acid groups, used in acid and direct dyes. As a pure organic compound with oxygen-function amino groups, it aligns with Chapter 29 scope. Falls under 2922.21.5000 for other such acids.
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 molecular formula C10H9NO5S and structure diagram on commercial invoice
• Test for isomer purity to distinguish from 2922.21.1000 specified compounds