Sodium Persulfate Powder from Japan
Sodium persulfate (Na2S2O8) is a strong oxidizer for bleaching and etching, classified in HTS 2833.29.51.90 as other peroxosulfates. Chemically defined per Chapter Note 2 for inorganic peroxides.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• DOT classification as oxidizer; use compatible packaging
• Declare active oxygen content for quality verification
• Separate from reducers to prevent decomposition