Arsenic Acid Anhydride Powder from Mexico
Anhydrous arsenic acid powder, also known as arsenic pentoxide when dehydrated, used in electronics etching. Classified in HTS 2811.19.10.00 as arsenic acid, an inorganic nonmetal oxygen compound.
Duty Rate — Mexico → United States
2.3%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Use inert atmosphere packaging to prevent moisture absorption; comply with REACH if transshipping EU
• Pitfall: doping for electronics may require 3818 classification