Technical Grade Sodium Sulfite Solution 40% from Mexico
Aqueous solution containing 40% sodium sulfite by weight, used in water treatment and paper pulping as an oxygen scavenger. It qualifies for HTS 2832.10.00.00 as chemically defined sodium sulfites, regardless of aqueous form.
Duty Rate — Mexico → United States
11.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare exact concentration on commercial invoice to confirm it's not a diluted mixture under 3824; use UN-approved packaging for corrosive liquids
• Watch for concentration variance causing duty disputes