Sodium Perborate Monohydrate from Japan
Sodium perborate monohydrate is an anhydrous form of the perborate salt used in high-performance detergents and denture cleaners for its stable oxygen bleach properties. Classified under HTS 2840.30.0050 as 'other' peroxoborates, it distinguishes from tetrahydrate by its single water molecule content. It decomposes to release active oxygen for effective whitening without chlorine.
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 lab assay confirming monohydrate structure to differentiate from tetrahydrate and secure correct subheading
• Ensure labeling complies with DOT regulations as a Division 5.1 oxidizer for safe transport
• Monitor for anti-dumping duties if sourced from specific countries like China