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U.S. imports of organo-sulfur compounds (nesoi) (HS 293090) totaled $261.1M in July 2026, traded with 31 countries.
Importers of Organo-Sulfur Compounds (NESOI) paid $5.2M in duties in July 2026 — an effective duty rate of 11% on $46.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Organo-Sulfur Compounds (NESOI) imports of $261.1M in July 2026 ran 185% above the year-to-date monthly average of $91.6M.
Last updated: July 2026 dataThe broadest organo-sulfur heading in Chapter 29, this residual category spans an exceptionally diverse range of compounds — from thioglycolic acid and mercaptocarboxylic acids used in cosmetics and PVC stabilizers, to phosphorothioate pesticide intermediates, to cysteine hydrochloride used in food and pharmaceutical applications. China leads US supply, with Spain, India, France, and Japan also significant sources across different compound families. The heading's 25-plus US tariff lines reflect sharp end-use distinctions: pesticide compounds, rubber-processing agents, drug intermediates, and general industrial chemicals each carry separate classification lines with potentially different duty treatment.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
713 shipments/mo
Classification within 293090 depends on three layered criteria: (1) aromatic vs. non-aromatic structure, (2) principal end use (pesticide, rubber processing, pharmaceutical/drug, or other), and (3) specific chemical identity for named compounds such as thioglycolic acid (2930904910) or cysteine hydrochloride (2930909210). Importers should obtain a detailed technical data sheet and, where end use is ambiguous, consider a binding ruling request from CBP to avoid misclassification penalties.
Thioglycolic acid (classified under 2930904910 or 2930904915 depending on mixture status) is used in cosmetic formulations such as permanent wave solutions and depilatory products. When imported for cosmetic use, it falls under FDA's jurisdiction and must comply with the Federal Food, Drug, and Cosmetic Act. Industrial-grade imports for PVC stabilizer or other non-cosmetic uses do not trigger FDA review but remain subject to EPA TSCA certification requirements.
HSChapter 29
Subheading 1 of 8 in heading 2930
Subheading 293090 · $261.1M of $270.0M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$261.1MYoY · Pro
Exports
$54.5MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Switzerland and China together supply 83% of it.
customs district
destination
entry
rate provision · imports
82.1% enters free of duty; the effective duty rate is 1.99%.