U.S. imports of organo-inorganic compounds (nesoi) (HS 293190) totaled $51.7M in April 2026, traded with 36 countries.
Organo-silicon, organo-tin, organo-arsenic, and other mixed organic-inorganic compounds not elsewhere specified feed a wide range of industrial applications — from silicone polymer precursors and stabilizers to pharmaceutical intermediates and agrochemical actives. The US schedule subdivides this heading into seventeen 10-digit lines, distinguishing aromatic from non-aromatic structures, pharmaceutical-use compounds (2931902200), pesticide-use compounds (2931902600), and specific substances such as diphenyldichlorosilane (2931900500), dibutyltin oxide (2931909021), and the chemical-warfare-related chlorovinylarsines (2931909030, 2931909040). China, Germany, and India are the leading suppliers, with Japan and the United Kingdom also significant sources, reflecting the global distribution of fine-chemical and specialty-chemical manufacturing.
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The US schedule carves out aromatic organo-inorganic compounds used as drugs (2931902200) and those used as pesticides (2931902600) as separate 10-digit lines, which can affect applicable duty rates and any Section 301 exposure. Compounds not meeting those use criteria fall into residual aromatic or non-aromatic lines.
China is the top supplier, followed by Germany and India, with Japan and the United Kingdom also among the leading sources. The mix of suppliers reflects both commodity-scale organosilicon production and high-value specialty chemical manufacturing across those countries.
Monthly import values over time
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Top U.S. entry points for this product, ranked by latest-month import value.