Pentachlorocyclopropane from China
Pentachlorocyclopropane is a three-carbon ring compound with five chlorine substitutions, used in specialty chemical synthesis. Falls under HTS 2903.89.70 as an 'other' halogenated cyclanic hydrocarbon derivative. Its small strained ring qualifies as cyclanic per tariff structure.
Duty Rate — China → United States
28.7%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include NMR spectra confirming cyclopropane structure to avoid acyclic misclassification
• Package under nitrogen atmosphere to prevent decomposition during ocean transit
• Verify end-use declaration prevents diversion to restricted applications