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2926.90.50/Ethyl Cyanoacetate/Japan

Ethyl Cyanoacetate from Japan

Ethyl cyanoacetate (NCCH2CO2Et) is a versatile nitrile ester used in Knoevenagel condensations and pharmaceutical synthesis. It classifies under HTS 2926.90.50 because the nitrile function defines its chemical identity over ester per Chapter Note 1(A) cross-subchapter rules.

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

• Confirm ester:nitrile ratio via NMR for proper declaration; Use glass-lined containers to prevent base-catalyzed hydrolysis; Include TSCA inventory status in commercial invoice