Disodium Phosphate Anhydrous USP from Japan
Disodium phosphate (Na2HPO4) is a chemically defined inorganic salt of mono- or disodium used as a buffering agent in pharmaceuticals and food processing. It falls under HTS 2835.22.00.00 as a phosphate of disodium, meeting Chapter 28 criteria for inorganic compounds. Commonly supplied as a white crystalline powder for industrial and USP-grade applications.
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
• Verify certificate of analysis (COA) confirming disodium phosphate purity >98% to avoid reclassification as mixtures under 2842
• For food/pharma imports, provide FDA prior notice and comply with 21 CFR labeling; common pitfall is missing heavy metal specs
• Use ISBP for LC payments; declare exact CAS 7558-79-4 to prevent customs holds on chemical identity