Anhydrous Arsenic Trichloride from Mexico
Anhydrous arsenic trichloride is a fuming liquid essential for GaAs semiconductor production via MOCVD processes, specifically classified under HTS 2812.19.00.10. It reacts with metal organics to deposit arsenic-containing thin films.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Declare as 'semiconductor precursor' on commercial invoice to support classification
• Maintain <0.1% moisture content certification to qualify as anhydrous grade
• Comply with REACH Annex XVII restrictions if transshipping through EU