4,4'-Dinitrostilbene-2,2'-disulfonic acid aqueous solution 20% from Canada
20% aqueous solution of 4,4'-Dinitrostilbene-2,2'-disulfonic acid prepared for safe transport. Qualifies under HTS 2904.99.35.00 per chapter note (d) for products dissolved in water. Used in liquid form for immediate dye processing.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document exact concentration (20%) and confirm water dissolution meets 'normal transport' criteria without specific use formulation
• Comply with IMDG/UN shipping requirements for aqueous nitro compounds
• Higher concentrations or organic solvents may shift to 3824 preparations