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Potassium Persulfate Crystals from Mexico

Potassium persulfate (K2S2O8) is a white crystalline powder used as an oxidizing agent in chemical synthesis and polymerization processes. It falls under HTS 2833.40.60.10 as a peroxosulfate (persulfate) of potassium, specifically classified as 'other' peroxosulfates of potassium. This chemically defined inorganic compound meets Chapter 28 criteria for peroxosulfates.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Verify purity certificate to confirm it's chemically defined per Chapter 28 Note 1; ensure SDS includes CAS 7727-21-1

Avoid misclassification as ammonium persulfate; check for stabilizers that might shift to 2831

Potassium Persulfate Crystals from Mexico — Import Duty Rate | HTS 2833.40.60.10