U.S. imports of Mannitol (SITC 51224) totaled $2.0M in August 2026, imported from 8 countries.
Importers of Mannitol paid $250K in duties in August 2026, an average duty rate of 12.58% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Mannitol imports of $2.0M in August 2026 ran 29% below the year-to-date monthly average of $2.8M.
Last updated: August 2026 dataMannitol is a sugar alcohol produced primarily by hydrogenation of fructose or by extraction from seaweed, and it serves dual roles as a pharmaceutical excipient (lyophilization bulking agent, osmotic diuretic) and a food-grade sweetener. Because it enters pharmaceutical and food supply chains, FDA oversight applies to imported mannitol intended for those end uses, and suppliers must meet applicable USP or food-grade purity specifications. Classification can hinge on whether the product is presented in a form clearly intended for pharmaceutical versus industrial use.
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41 import shipments a month
Pharmaceutical-grade mannitol imports generally require a certificate of analysis confirming USP or equivalent purity, documentation of the foreign manufacturer's GMP status, and may be subject to FDA prior notice requirements. Working with a licensed customs broker familiar with FDA-regulated chemicals is advisable.
Both grades typically fall under the same SITC heading, but the end-use grade affects which FDA regulatory pathway applies at entry. Importers should clearly declare the intended use and grade on entry documentation to avoid holds or sampling by FDA.
Basic heading 371 of 465 in section 5
Basic heading 51224 · $2.0M of $27.5B
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Imports · August 2026
origin
France and China together supply 94% of it. China pays 24.1% duty; Germany 10.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$2.0MYoY · free account
Exports
$1.2MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $30.4M of Mannitol and exported $24.0M.
Through August 2026. Source: U.S. Census Bureau.