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2918.13.50.00/Ammonium Bitartrate/Japan

Ammonium Bitartrate from Japan

Ammonium bitartrate is used in wine stabilization and as a lab reagent. Classified in HTS 2918.13.5000 as an 'other' salt of tartaric acid, per Chapter 29 note 1(C)(1) for organic salts. The bitartrate form retains carboxylic alcohol function classification.

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

• pH test certificates aid classification; ammonia odor requires proper venting in shipping; not for food use without FDA GRAS status