Antimony Trisulfide Powder
Antimony trisulfide (Sb2S3) is a red pigment and friction material used in matches and ammunition primers. It qualifies under HTS 2830.90.90.00 as an 'other' chemically defined sulfide.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in complex salt form with inorganic bases
Double or complex salts of metals are classified in heading 2842 per Chapter notes.
If unrefined antimony ore containing sulfides
Unwrought antimony or waste/scrap falls under Chapter 81 for base metals.
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Import Tips & Compliance
• Provide assay certificates confirming Sb2S3 composition to avoid reclassification
• Declare as hazardous (toxic/flammable) for DOT/IMDG shipping requirements
• Watch for anti-dumping duties if from specific countries like China
Related Products under HTS 2830.90.90.00
Cadmium Sulfide Powder
Cadmium sulfide (CdS) is a chemically defined inorganic sulfide compound used as a pigment in paints, ceramics, and phosphors for fluorescent lamps. It falls under HTS 2830.90.90.00 as an 'other' sulfide, distinct from specific sulfides like sodium sulfide listed elsewhere in heading 2830.
Zinc Sulfide Crystals
Zinc sulfide (ZnS) in crystalline form is used in optical coatings, phosphors, and semiconductors. Classified under HTS 2830.90.90.00 as a polysulfide or other sulfide compound meeting chemical definition criteria.
Manganese Sulfide Granules
Manganese sulfide (MnS) granules used as a desulfurizer in steel production and in ceramics. Falls under HTS 2830.90.90.00 for other sulfides not specifically enumerated.
Copper(I) Sulfide Powder
Copper(I) sulfide (Cu2S) powder employed in mineral flotation and as a semiconductor material. Classified in HTS 2830.90.90.00 as other chemically defined sulfides.
Bismuth Sulfide Flakes
Bismuth sulfide (Bi2S3) flakes used in thermoelectric materials and pigments. It is an 'other' sulfide under HTS 2830.90.90.00, chemically defined per Chapter notes.
Lead Sulfide Crystals
Lead sulfide (PbS) crystals for infrared detectors. HTS 2830.90.90.00 other sulfides.