Tetrasodium Pyrophosphate from Japan
Tetrasodium pyrophosphate is an inorganic polyphosphate used as a buffering agent, emulsifier in foods, and dispersant in industrial cleaners. Classified under HTS 2835.29.51.00 as 'other' polyphosphates, it meets Chapter 28 definitions for chemically defined phosphorus compounds. Commonly supplied as white crystalline powder.
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
• Provide detailed assay reports showing >95% purity to distinguish from mixtures under 3824
• Check FDA prior notice requirements for food-grade imports and ensure GRAS status documentation
• Avoid common pitfall of mislabeling as single phosphate, which could lead to incorrect 2835.25 duty