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SITCSection 5
U.S. imports of carboxylic acids with aldehyde or ketone function & derivatives (SITC 51395) totaled $7.8M in July 2026, traded with 18 countries.
Importers of Carboxylic Acids with Aldehyde or Ketone Function & Derivatives paid $1.0M in duties in July 2026 — an effective duty rate of 15% on $6.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Carboxylic Acids with Aldehyde or Ketone Function & Derivatives imports of $7.8M in July 2026 ran 27% above the year-to-date monthly average of $6.2M.
Last updated: July 2026 dataKeto-acids and aldehyde-acids — organic acids whose only additional oxygen function is a carbonyl group — occupy this heading, covering compounds such as pyruvic acid, levulinic acid, and acetoacetic acid derivatives. Levulinic acid has attracted growing interest as a bio-based platform chemical derived from lignocellulosic biomass, positioning it as a renewable feedstock for solvents, fuel additives, and polymer precursors. Trade professionals should be aware that several acetoacetate esters used as pharmaceutical or flavor intermediates may trigger FDA documentation requirements depending on their intended application.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
119 shipments/mo
Basic heading 270 of 465 in section 5
Basic heading 51395 · $7.8M of $28.9B
Levulinic acid is a keto-acid classifiable under this heading and is gaining commercial traction as a bio-based platform chemical for producing solvents (e.g., gamma-valerolactone), plasticizers, and fuel additives. Its renewable origin does not change its SITC classification, but buyers should confirm the production route and purity specification, as bio-derived and petrochemical-derived grades may differ in impurity profiles relevant to downstream processing.
Yes, acetoacetate esters — where the ketone carbonyl is the only additional oxygen function beyond the ester linkage — are generally classifiable here. These compounds are widely used as pharmaceutical intermediates and flavor chemicals. Importers should verify the specific compound's CAS number against the heading's structural criteria and consult a customs broker if the compound contains additional functional groups that might place it under a different heading.
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Imports · July 2026
origin
China and Spain together supply 52% of it.
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
$7.8MYoY · Pro
Exports
$4.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.