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U.S. exports of acyclic aldehydes without other oxygen function (other) (HS 291219) totaled $9.9M in July 2026.
Importers of Acyclic Aldehydes Without Other Oxygen Function (Other) paid $794K in duties in July 2026 — an effective duty rate of 20% on $4.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Acyclic Aldehydes Without Other Oxygen Function (Other) imports of $6.0M in July 2026 ran 18% below the year-to-date monthly average of $7.3M.
Last updated: July 2026 dataGermany leads US import supply for this diverse heading, which spans commercially important acyclic aldehydes including citral (2912191000), butyraldehyde (2912192500), glyoxal (2912193000), isobutanal (2912194000), and odoriferous or flavoring compounds (2912192000), alongside broader NESOI baskets. Citral — a naturally derived fragrance and flavor aldehyde used extensively in personal care and food applications — and glyoxal — a textile and paper crosslinker — represent very different end-use sectors within the same heading, making precise 10-digit classification essential. China and India are also significant suppliers, and Section 301 exposure should be evaluated for Chinese-origin shipments on a line-by-line basis.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
209 shipments/mo
Citral — whether derived from lemongrass oil fractionation or produced synthetically — classifies under 2912191000 based on its chemical identity as a mixture of geranial and neral isomers. HTS classification does not distinguish natural from synthetic origin for this compound, though FDA flavor regulations and labeling rules do make that distinction relevant for downstream food and cosmetic applications.
Glyoxal (2912193000) is a dialdehyde used primarily as a crosslinking agent in textile finishing, paper treatment, and leather processing — end-uses quite different from the fragrance and flavor applications of citral or isobutanal. Because glyoxal is typically imported as an aqueous solution, importers should confirm that the solution concentration and primary constituent support classification under this aldehyde heading rather than as a mixture under a different chapter.
HSChapter 29
Subheading 2 of 10 in heading 2912
Subheading 291219 · $6.0M of $25.1M
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ImportsExports
Imports
$6.0MYoY · Pro
Exports
$9.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
customs district
origin
entry
rate provision · imports
0.0400% enters free of duty; the effective duty rate is 13.24%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2912195000 | Other Acyclic Aldehydes Without Other Oxy Function | $3.3M | 8.59% | 56.13% | $282K |
| 2912192000 | Odoriferous or Flavoring Compounds NESOI | $1.6M | 12.81% | 69.60% | $200K |
| 2912193000 | Glyoxal | $761K | 28.15% | 100.00% | $214K |
| 2912191000 | Citral | $370K | 25.29% | 92.31% | $94K |
| 2912194000 | Isobutanal | $18K | 20.16% | 100.00% | $4K |
| 2912192500 | Butanal (Butyraldehyde, Normal Isomer) | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2912199000 | Acyclic Aldehydes Without Othr Oxygen Function Nes | $8.4M |
| 2912192500 | Butanal (Butyraldehyde, Normal Isomer) | $1.5M |
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.