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Hot Mustard Seed Flour from Japan

Intensely flavored flour from high-pungency mustard varieties, popular in Asian cuisine spice blends. Under HTS 2103.30.2000 for unprepared mustard flour and meal, not mixed seasonings.

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%

Import Tips

Test for allyl isothiocyanate levels to confirm potency without additives

Use vacuum-sealed packaging to preserve volatiles during ocean freight

Avoid naming as 'prepared' to prevent misclassification as sauce