Electronic Grade Phosphoric Acid 99.999% from Japan
Ultra-high purity phosphoric acid (99.999% H3PO4) for semiconductor etching and wafer cleaning in electronics manufacturing. Falls under HTS 2809.20.00 as chemically defined phosphoric acid, with impurities controlled to parts-per-billion levels per Chapter 28 standards.
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
• Require supplier certificates showing metal impurities <1ppb for cleanroom compatibility
• Use hermetic packaging documentation to prevent contamination claims during transit