Anhydrous Sodium Perborate from Japan
Anhydrous sodium perborate is the dehydrated form (NaBO3) used in high-performance bleaching formulations where water content must be minimized. It is specifically classified under HTS 2840.30.0010 as a peroxoborate (perborate), meeting the chemical definition for inorganic peroxy compounds in Chapter 28.
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
• Confirm anhydrous status with differential scanning calorimetry (DSC) data, as hydrated forms have different densities and handling
• Store and ship under inert atmosphere to prevent decomposition; declare as oxidizer Class 5.1