Peroxoboric Acid from Canada
Peroxoboric acid, in stabilized form, acts as a precursor for perborate salts in laboratory and fine chemical production. HTS 2840.30.0050 covers it as an 'other' peroxoborate per Chapter 28 acid provisions. It represents the parent acid structure with peroxy functionality.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include pH and stability data to confirm acid classification
• Ship under temperature-controlled conditions to maintain peroxo integrity
• Obtain end-user statements for research chemical exemptions