Heptachlor Pure Chemical Standard from China
Heptachlor (ISO), a chlorinated hydrocarbon pesticide, is explicitly covered by HTS 2903.82.00.00 as a halogenated derivative of cyclenic hydrocarbons. Used as a reference standard for analytical labs and in manufacturing. Its chemical purity aligns with chapter note (a) for separate compounds.
Duty Rate — China → United States
43%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Provide Material Safety Data Sheets (MSDS) and proof of end-use for research; register under TSCA for non-pesticide import
• Pitfall: misdeclaring quantity leading to quota issues