Pentachlorocyclopropane from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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