Sodium Tripolyphosphate (STPP) Food Grade Powder from China
Sodium tripolyphosphate (STPP) in food-grade powder form is a sodium polyphosphate used as a sequestrant, emulsifier, and moisture retainer in processed meats, seafood, and dairy products. It falls under HTS 2835.31.00.00 as it is specifically sodium triphosphate, a polyphosphate compound. This pure chemical meets the chapter's definition for chemically defined polyphosphates.
Duty Rate — China → United States
36.4%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Obtain FDA prior notice and ensure food-grade certification with COA showing purity >94% and absence of heavy metals
• Verify compliance with 21 CFR 182.1810 for food additive use; include detailed end-use declaration to avoid misclassification