1-Iodo-2-methylpropane from Japan
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 — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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