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HSChapter 29
U.S. imports of saturated acyclic monocarboxylic acids and derivatives, nesoi (HS 291590) totaled $33.0M in July 2026, traded with 35 countries.
Importers of Saturated Acyclic Monocarboxylic Acids and Derivatives, NESOI paid $1.6M in duties in July 2026 — an effective duty rate of 6.0% on $27.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataA residual catch-all for saturated acyclic monocarboxylic acids and their halides, anhydrides, peroxides, and peroxyacids not enumerated elsewhere in heading 2915, this group spans commercially significant compounds including lauric acid (2915901010), valproic acid (2915901400), and perfluorooctanoic acid (PFOA) and its salts (2915901810) — the last of which is subject to EPA regulatory scrutiny as a persistent organic pollutant. Malaysia and Indonesia lead US import supply, driven by lauric acid and other coconut- and palm-kernel-derived fatty acids. Importers of PFOA and related per- and polyfluoroalkyl substances (PFAS) should monitor evolving EPA reporting and import restrictions.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
504 shipments/mo
PFOA and its salts, classified at 2915901810, are subject to EPA restrictions under the Toxic Substances Control Act (TSCA) and are listed as significant new use chemicals. Importers must comply with TSCA Section 5 significant new use rules (SNURs) and may be required to submit notifications to EPA before importing. Given ongoing regulatory developments around PFAS compounds, importers should consult with environmental counsel before entry.
Lauric acid (C12 saturated fatty acid) is specifically enumerated at 2915901010, separating it from other fatty acids of animal or vegetable origin (2915901050) and from non-fatty-acid saturated monocarboxylic derivatives (2915901890). A certificate of analysis confirming the carbon chain length and purity is the standard supporting document for claiming the lauric acid-specific line.
Subheading 1 of 16 in heading 2915
Subheading 291590 · $33.0M of $84.2M
ImportsExports
Imports
$33.0MYoY · Pro
Exports
$19.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
customs district
destination
entry
rate provision · imports
17.2% enters free of duty; the effective duty rate is 4.95%.
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 |
|---|---|---|---|---|---|
| 2915905050 | Non-Armat Deriv of Sat Acyc Monocarbxylic Acds Nes | $11.9M | 5.20% | 79.76% | $621K |
| 2915901890 | Sat Acyc Monocarbxy Acids, Etc(Exc Fatty Acid Etc) | $10.3M | 4.07% | 86.17% | $419K |
| 2915901050 | Other Fatty Acids of Animal or Vegetable Origin | $6.9M | 6.25% | 97.79% | $431K |
| 2915905010 | Other Acid Chlorides | $1.9M | 4.03% | 89.14% | $75K |
| 2915902000 | Aromat Deriv of Sat Acylc Monocarboxylic Acids | $1.3M | 5.74% | 27.39% | $76K |
| 2915901400 | Valproic Acid | $420K | 0.00% | 0.00% | -- |
| 2915901010 | Lauric Acid | $236K | 5.00% | 100.00% | $12K |
| 2915901810 | Perfluorooctanoic Acids and Their Salts | $64K | 4.20% | 100.00% | $3K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2915900090 | Sat Acyclic Monocarboxy Acids and Deriv, NESOI | $18.5M |
| 2915900010 | Perfluorooctanoic Acids and Their Salts | $506K |
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.
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