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SITCSection 5
U.S. imports of sulfides of nonmetals & commercial phosphorus trisulfide (SITC 52242) totaled $1.5M in April 2026, traded with 8 countries.
Importers of Sulfides of Nonmetals & Commercial Phosphorus Trisulfide paid $161K in duties in April 2026 — an effective duty rate of 12% on $1.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Sulfides of Nonmetals & Commercial Phosphorus Trisulfide imports of $1.5M in April 2026 ran 65% above the year-to-date monthly average of $912K.
Last updated: April 2026 dataNonmetal sulfides — including carbon disulfide, hydrogen sulfide (in solution), and commercial phosphorus trisulfide (P₄S₃) — serve specialized roles as chemical intermediates, flotation reagents in mining, and match-head and pyrotechnic compositions. Phosphorus trisulfide is the defining commercial product in this group, used primarily in the manufacture of safety matches and certain lubricant additives. Carbon disulfide, a widely traded solvent and intermediate for viscose rayon and carbon tetrachloride production, is subject to EPA TSCA certification and carries significant flammability and toxicity hazard classifications under DOT rules. The dual-use potential of certain phosphorus sulfides in pyrotechnic applications may warrant end-use screening by importers.
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Commercial phosphorus trisulfide (P₄S₃) is primarily used in the manufacture of strike-anywhere matches and as a precursor in the synthesis of certain organophosphorus lubricant additives and pesticide intermediates. Import volumes tend to be modest and driven by specialty chemical manufacturers rather than bulk commodity buyers.
Carbon disulfide is classified as a DOT Flammable Liquid, Packing Group I — the highest hazard tier — due to its extremely low flash point and high toxicity. This classification restricts transport modes, requires UN-specification packaging, and mandates placarding. Importers should confirm that their freight forwarder and carrier are certified to handle PG I flammable liquids before booking the shipment.
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Monthly import values over time