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HSChapter 29
U.S. imports of butanone (methyl ethyl ketone) (HS 291412) totaled $8.2M in June 2026, traded with 9 countries.
Importers of Butanone (Methyl Ethyl Ketone) paid $634K in duties in June 2026 — an effective duty rate of 15% on $4.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Methyl ethyl ketone (MEK), classified under a single 10-digit line (2914120000), is a fast-evaporating solvent widely used in surface coatings, printing inks, adhesives, and as a chemical intermediate for MEK peroxide initiators. The United Kingdom and South Africa are the leading US suppliers under this heading, an unusual geographic profile that reflects specific petrochemical production capacity in those countries rather than proximity to US markets. MEK is a DEA List II chemical, meaning importers must comply with DEA registration and reporting thresholds, and it is also subject to TSCA inventory certification at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
MEK is a DEA List II chemical precursor. Importers must register with the DEA if import volumes meet or exceed the regulatory threshold, and are required to report transactions and maintain records. Even below threshold quantities may require a one-time notification. Importers should confirm current DEA thresholds and registration requirements before the first shipment, as these can change.
Butanone (methyl ethyl ketone, CAS 78-93-3) is specifically 2-butanone and classifies under 2914120000. Other C4 ketones, such as methyl isopropyl ketone or diethyl ketone, are structurally distinct and classify under different lines in heading 2914. A certificate of analysis with the CAS number, IUPAC name, and purity specification is the standard supporting document to confirm correct classification at entry.
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Monthly import values over time
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 |
|---|---|---|---|---|---|
| 2914120000 | BUTANONE | $8.2M | 7.72% | 52.62% | $634K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2914120000 | BUTANONE (METHYL ETHYL KETONE) | $2.5M |
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
BENZENE
HS 290220
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
HETEROCYCLIC COMP WITH UNFUSED PYRAZOLE RING NESOI
HS 293319
| Country | Imports | Exports | Balance |
|---|---|---|---|
| SOUTH AFRICA | $3.9M | -- | -$3.9M |
| UNITED KINGDOM | $2.8M | -- | -$2.8M |
| MEXICO | -- | $2.1M | +$2.1M |
| BRAZIL | $1.1M | $3K | -$1.1M |
| CHINA | $273K | -- | -$273K |
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $4.3M | $1.3M | -$3.1M |
| North Carolina | $2.0M | -- | -$2.0M |
| New Jersey | $960K | $7K | -$952K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $4.5M | $837K | -$3.6M |
| WILMINGTON, NC | $2.0M | -- | -$2.0M |
| NEWARK, NJ | $1.6M | $3K | -$1.6M |