Arsenic Disulfide Crystals
High-purity arsenic disulfide (As2S2) crystals grown for research in photoconductive materials and phase-change memory devices. This chemically defined sulfide of arsenic falls under tariff item 2813.90.00 as an 'other' sulfide of non-metals, meeting the criteria of Chapter 28 Note 1(a) for separate chemically defined compounds.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is accompanied by a safety data sheet (SDS) as arsenic compounds are regulated under Canada's Hazardous Products Act
• Declare the CAS number (e.g
• 1303-33-9) to facilitate CBSA classification
• Verify if an import permit is required under the Export and Import Permits Act for controlled substances
Related Products under Tariff item 2813.90.00
Arsenic Pentasulfide Flakes
Arsenic pentasulfide (As2S5) in flake form, a reactive arsenic sulfide used in organic synthesis and depilatory agents. As a chemically defined sulfide of arsenic, it is classified under tariff item 2813.90.00 as an 'other' sulfide of non-metals, consistent with Chapter 28 Note 1(a).
Arsenic Sulfide Glass Chunks
Chunks of arsenic sulfide-based glass (As2S3) used for molding into infrared lenses and windows. While chemically defined as arsenic trisulfide, the physical form as glass chunks may be considered a manufactured article rather than a basic chemical, but as a sulfide of a non-metal it falls under tariff item 2813.90.00.
Arsenic Trisulfide Powder
Arsenic trisulfide (As2S3) is a chemically defined sulfide of arsenic, appearing as a yellow-orange powder used in the production of semiconductors and infrared optical materials. It falls under tariff item 2813.90.00 as an 'other' sulfide of non-metals, meeting Chapter 28 Note 1(a) criteria.
Commercial Grade Phosphorus Sulfide 1314-85-2
Bulk commercial phosphorus trisulfide (CAS 1314-85-2) in 25kg drums for chemical manufacturing, distinguished by commercial impurities from analytical grades. Tariff item 2813.90.00 covers this as 'other' commercial phosphorus trisulfide.
Commercial Phosphorus Trisulfide
Commercial phosphorus trisulfide (P4S3) is a yellow-gray crystalline powder used primarily in the manufacture of safety match heads and as a lubricant additive. It falls under tariff item 2813.90.00 as a sulfide of phosphorus, specifically commercial phosphorus trisulphide.
Commercial Phosphorus Trisulfide Powder
Commercial phosphorus trisulfide (P4S3) is a red to yellow crystalline powder used primarily in the manufacture of safety match striking surfaces and as a reagent in organic synthesis. It is classified under tariff item 2813.90.00 as an 'other' sulfide of a non-metal, specifically commercial phosphorus trisulfide.