High Purity Arsenic Trioxide 99.9%
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped or cut into wafers/discs for electronics
Chapter notes move doped elements or wafer forms to 3818 from pure Chapter 28 chemicals.
If alloyed as metal carbides or similar
Carbides and derivatives are specifically in 2849, separate from oxides.
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Import Tips & Compliance
• Provide lot-specific certificates of analysis; ship in inert atmosphere packaging to prevent oxidation
• Comply with ITAR if for defense-related semiconductor apps
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ACS-grade arsenic trioxide for analytical chemistry and toxicology testing in labs. HTS 2811.29.10.00 covers it as a pure, chemically defined nonmetal oxygen compound.