4-Aminoazobenzene-2,4-disulfonic Acid Monosodium Salt (Dye Intermediate) from Germany
Pure monosodium salt form of the disulfonic acid derivative of 4-aminoazobenzene, a diazo compound used in azo dye manufacturing. Classified under HTS 2927.00.03.00 for its specific chemical structure as a named separate organic compound per Chapter 29 note (a). Supplied as technical grade powder for industrial synthesis.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include CoA (Certificate of Analysis) specifying CAS number and structure confirmation via NMR/spectroscopy
• Declare exact sodium content and water of hydration to avoid disputes over 'monosodium' specification