New

Ask Wove anything about tariffs.

Try Tariff Assistant

alpha-Methylcinnamic Acid from Japan

Alpha-methylcinnamic acid, a substituted derivative of cinnamic acid maintaining the core phenylacrylic acid structure. Classified specifically under HTS 2916.39.06.00 as it chemically qualifies as cinnamic acid per tariff description. Used in specialty fragrance synthesis.

Duty Rate — Japan → United States

12.5%

Rate breakdown

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

• Provide NMR spectrum confirming alpha-methyl substitution pattern for derivative verification

• Melting point specification (90-95°C vs 133°C pure cinnamic) prevents parent compound misclassification

• CAS 101-39-3 documentation required for substituted derivative identification