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High Purity Arsenic Trioxide 99.9% from Mexico

Ultra-high purity 99.9% arsenic trioxide crystals for semiconductor doping and research labs. HTS 2811.29.10.00 applies as a chemically defined oxygen compound of nonmetals, excluding doped forms.

Duty Rate — Mexico → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))

Import Tips

Provide lot-specific certificates of analysis; ship in inert atmosphere packaging to prevent oxidation

Comply with ITAR if for defense-related semiconductor apps