U.S. imports of O-Acetylsalicylic Acid (Aspirin), Salts and Esters (HS 291822) totaled $891K in September 2026, imported from 6 countries.
Importers of O-Acetylsalicylic Acid (Aspirin), Salts and Esters paid $73K in duties in September 2026, an average duty rate of 8.22% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. O-Acetylsalicylic Acid (Aspirin), Salts and Esters imports of $891K in September 2026 ran 20% below the year-to-date monthly average of $1.1M.
Last updated: September 2026 dataAspirin — one of the world's most recognized active pharmaceutical ingredients — enters the US under this heading, which the US schedule subdivides into the pure acid (2918221000) and its salts and esters (2918225000). Because aspirin is a drug substance, shipments are subject to FDA admissibility review, and foreign manufacturers must be registered with FDA and comply with current Good Manufacturing Practice regulations. France leads US import supply for this heading, with Thailand and Spain also significant sources — a supplier mix that reflects both established European pharmaceutical manufacturing and growing Asian API production capacity.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
16 import shipments a month
Bulk aspirin imported as a drug substance must come from an FDA-registered foreign drug establishment. The importer or US agent must submit prior notice, and the shipment is subject to FDA examination at the port of entry. A Drug Master File (DMF) is typically required for pharmaceutical customers downstream. Admissibility and classification are complex; consult a licensed customs broker and regulatory counsel familiar with FDA drug import procedures.
The US schedule separates the pure ortho-acetylsalicylic acid (2918221000) from its salts and esters (2918225000). Salts such as calcium acetylsalicylate and esters used in prodrug formulations fall under the latter line. The distinction matters because duty rates and any applicable trade-remedy exposure may differ between the two lines, and the end-use application (e.g., pharmaceutical versus flavoring) can also influence classification.
Subheading 14 of 17 in heading 2918
Subheading 291822 · $891K of $109.7M
ImportsExports
Imports
$891KYoY · free account
Exports
—YoY · free account
12-mo low · imports
Low · free accountOver the twelve months to September 2026, the U.S. imported $12.8M of O-Acetylsalicylic Acid (Aspirin), Salts and Esters.
Through September 2026 · exports 11 of 12 months reported. Source: U.S. Census Bureau.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2918221000 | Ortho-Acetylsalicylic Acid (Aspirin) | $679K | 12.23% | 100.00% | $83K |
| 2918225000 | Salts and Esters of O-Acetylsalicylic Acid | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2918220000 | O-Acetylsalicylic Acid (Aspirin), Salts and Esters | $20K |
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.
Imports · September 2026
origin
France and China together supply 98% of it. Thailand pays 19.0% duty; France 7.2%.
customs district
destination
entry
rate provision · imports
duty collected equals 8.22% of imports for consumption.