4-Aminoazobenzene-2,4-disulfonic Acid Monosodium Salt (Dye Intermediate) from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 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