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2926.90.50.50/Isobutyronitrile/Japan

Isobutyronitrile from Japan

Isobutyronitrile ((CH3)2CHCN) is a branched aliphatic nitrile used in fine chemical synthesis and extractive distillation. HTS 2926.90.5050 as other nitrile-function compound, chemically pure organic per Chapter 29. Lower boiling point than n-isomer makes it preferred solvent.

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 from propanenitrile via branched chain documentation

• Peroxide formation risk requires inhibitor declaration

• GC purity >99.5% typical for .5050 statistical reporting