U.S. exports of Acyclic Aldehydes Without Other Oxygen Function (SITC 51621) totaled $10.1M in August 2026.
Importers of Acyclic Aldehydes Without Other Oxygen Function paid $1.2M in duties in August 2026, an average duty rate of 19.21% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataAcyclic aldehydes lacking additional oxygen functionality — including formaldehyde, acetaldehyde, butyraldehyde, and higher aliphatic aldehydes — are foundational feedstocks for resins, plasticizers, flavors, and fragrance chemicals. Formaldehyde, the simplest member, drives demand for urea-formaldehyde and phenol-formaldehyde resins used in wood panels and adhesives, a sector that has seen antidumping activity on downstream products. Acetaldehyde and higher aldehydes serve as intermediates for acetic acid, pyridines, and aroma chemicals, linking this heading to both the food-ingredient and specialty-chemical supply chains.
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314 import shipments a month
Formaldehyde is classified as a known human carcinogen by the EPA and is subject to TSCA reporting requirements, including Chemical Data Reporting (CDR) obligations for importers above threshold volumes. OSHA's permissible exposure limit also affects how receiving facilities must handle bulk shipments. Importers should confirm TSCA inventory status and CDR obligations with their compliance team before the first shipment.
Short-chain aldehydes (C1–C3, such as formaldehyde and propionaldehyde) are primarily industrial resin and chemical synthesis feedstocks. Mid-chain aldehydes (C4–C8, such as butyraldehyde and 2-ethylhexanal) are key plasticizer and solvent intermediates. Long-chain aldehydes (C9+) are predominantly used in fine fragrance and flavor applications, where natural-identical aroma profiles are valued.
Basic heading 239 of 465 in section 5
Basic heading 51621 · $10.1M of $26.2B
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Exports · August 2026
destination
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$7.2MYoY · free account
Exports
$10.1MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $85.1M of Acyclic Aldehydes Without Other Oxygen Function and exported $118.0M.
Through August 2026. Source: U.S. Census Bureau.