Arsenic Acid H3AsO4 (99% Purity) from Canada
Arsenic acid, chemically defined as H3AsO4, is a colorless to white crystalline solid used primarily in chemical synthesis and as a reagent. It falls under HTS 2811.19.10.00 as an other inorganic acid, specifically arsenic acid, which is an inorganic oxygen compound of a nonmetal per Chapter 28 notes.
Duty Rate — Canada → United States
2.3%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Verify chemical purity and provide Safety Data Sheets (SDS) for hazardous material classification; ensure compliance with EPA import regulations for arsenic compounds
• Common pitfall: mislabeling as organic acid leading to wrong chapter