1-Iodo-2-methylpropane from China
1-Iodo-2-methylpropane is a branched acyclic hydrocarbon with iodine substitution, remaining acyclic despite branching. Classified under HTS 2903.69.90.00 as other iodinated acyclic derivative. Common alkylating agent in synthesis.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
Import Tips
• Distinguish isobutane derivatives from n-butane via mass spectrometry fragmentation
• Monitor isomeric purity (>95%) to avoid Chapter Note b isomer mixture exclusion
• Declare GHS hazard pictograms matching acute toxicity and flammability profile