Potassium Nitrite Powder from China
Potassium nitrite (KNO2) is a yellowish-white powder serving as an oxidizing agent in heat-transfer salts and a reagent in analytical chemistry. Classified under HTS 2834.10.5000 as an 'other' nitrite of potassium, it meets the 'chemically defined' criteria without organic components or exclusions listed in Chapter 28 notes. Used in industrial applications like metal treatment.
Duty Rate — China → United States
40.6%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide assay certificates showing minimum 99% purity to avoid reclassification as mixtures; declare as hazardous under UN 1488
• Watch for contamination that could trigger organo-inorganic exclusion to Chapter 29
• Label clearly for DOT transport compliance