Potassium Persulfate Granules from Mexico
Potassium persulfate (K2S2O8) in granular form serves as a bleaching agent in cosmetics, hair dyes, and textile processing. HTS 2833.40.60.50 covers this as 'other' peroxosulfate, being a metal peroxysalt chemically defined per Chapter 28. Distinguished from general sulfates by active oxygen content.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include CAS# 7727-21-1 and active oxygen assay (>5.9%) on invoice to validate peroxosulfate status
• For cosmetic use, ensure REACH/ TSCA pre-registration; segregate from flammables due to strong oxidizer reactivity