1,4-Diaminobenzene-2-Sulfonic Acid from Germany
Also known as 4-amino-2-aminobenzenesulfonic acid, this aromatic diamine with a sulfonic acid substituent is specifically named in HTS 2921.59.1700. It serves as a key building block for azo dyes and pharmaceutical intermediates.
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
• Include detailed spectral analysis (NMR, IR) in documentation to distinguish from similar aniline derivatives
• Check for REACH-like compliance; provide safety data sheets highlighting amine and sulfonic acid hazards