Arsenic Disulfide Crystals from Japan
High-purity arsenic disulfide (As2S2) crystals grown for research in photoconductive materials and phase-change memory devices. Classified in HTS 2813.90.10.00 as 'other' sulfides of arsenic, chemically defined per Chapter 28/29 notes. Supplied in ampoules under inert gas.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Register with DEA if research involves scheduled precursors, though As2S2 itself unregulated
• Use customs valuation based on research-grade purity premiums; document via lab specs
• Avoid bulk packaging pitfalls—crystals require vacuum-sealed containers per IATA dangerous goods