Industrial Sodium Dithionite Reducing Solution from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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