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SITCSection 5
U.S. imports of sulfides (nes) & polysulfides (SITC 52342) totaled $2.3M in April 2026, traded with 16 countries.
Importers of Sulfides (NES) & Polysulfides paid $244K in duties in April 2026 — an effective duty rate of 11% on $2.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Sulfides (NES) & Polysulfides imports of $2.3M in April 2026 ran 31% above the year-to-date monthly average of $1.7M.
Last updated: April 2026 dataBeyond sodium sulfide, which has its own dedicated heading, the sulfides and polysulfides covered here include calcium sulfide, barium sulfide, ammonium polysulfide, and a range of metal sulfides used across mining, electronics, and specialty chemical manufacturing. Polysulfides — particularly ammonium and sodium polysulfides — are used as agricultural fungicides and in polymer sealant chemistry, giving this group a notably diverse end-use profile. Classification within this residual heading requires precise identification of the cation and sulfur stoichiometry, as some metal sulfides (e.g., molybdenum disulfide) may be classified elsewhere as lubricants or ores. Importers should confirm the chemical identity and intended use with a licensed customs broker to avoid misclassification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Polysulfides contain chains of two or more sulfur atoms bonded to a cation (e.g., Na₂S₂ or Na₂S₄), whereas simple sulfides contain a single sulfide ion. The distinction is made on the basis of the chemical formula and stoichiometry, which should be clearly stated on the commercial invoice and SDS. Some polysulfides may also be classified under polymer or agricultural chemical headings depending on their form and intended use.
Antidumping and countervailing duty orders have historically targeted certain inorganic chemicals, including specific sulfide compounds, from particular origins. Importers should conduct an AD/CVD scope review with a licensed customs broker before sourcing, as scope language can be technical and a misclassification can result in significant retroactive duty liability.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| AUSTRIA | $751K | -- | -$751K |
| KOREA, SOUTH | $190K | $541K | +$351K |
| MEXICO | -- | $492K | +$492K |
| JAPAN | $432K | $6K | -$427K |
| UNITED KINGDOM | -- | $327K | +$327K |
Monthly import values over time