Ammonium Bitartrate from Canada
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 — Canada → United States
14.4%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• pH test certificates aid classification; ammonia odor requires proper venting in shipping; not for food use without FDA GRAS status