2921.45.20.00/Laurent's Acid (5-Amino-1-naphthalenesulfonic acid)/Germany

Laurent's Acid (5-Amino-1-naphthalenesulfonic acid) from Germany

Laurent's acid is a sulfonated derivative of 1-naphthylamine, specifically 5-amino-1-naphthalenesulfonic acid, used primarily as an intermediate in dye synthesis. It falls under HTS 2921.45.20.00 as an aromatic monoamine derivative with sulfonic acid groups, matching the chapter's provisions for chemically defined organic compounds with nitrogen functions. The product is typically supplied as a white to light yellow powder for industrial chemical applications.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter

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Import Tips

• Provide detailed chemical analysis certificates confirming purity and identity as Laurent's acid to avoid misclassification under general aromatic amines

• Ensure SDS (Safety Data Sheets) comply with HAZMAT regulations since sulfonic acids are corrosive; declare proper UN numbers for transport

• Verify supplier COA matches the exact HTS description to prevent reclassification into higher-duty sulfonated compounds