Industrial Sodium Dithionite Reducing Solution from Mexico
Aqueous solution of sodium dithionite (hydrosulfite) with inorganic buffers for vat dyeing reduction in textile mills. Falls under HTS 3824.99.32.00 as a mixture of hydrosulfite compounds with other inorganic substances for chemical processing.
Duty Rate — Mexico → United States
16.5%
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
• Classify based on dry weight hydrosulfite content ignoring water; provide concentration certificates
• Use DOT-approved packaging for oxidizer-reactive goods
• Common issue: undervaluation due to water content