2903.69.90.00/1-Iodo-2-methylpropane/Japan

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

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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