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HSChapter 29
U.S. imports of 4-methylpentan-2-one (methyl isobutyl ketone) (HS 291413) totaled $355K in April 2026, traded with 3 countries.
4-Methylpentan-2-one (Methyl Isobutyl Ketone) imports of $355K in April 2026 ran 11% above the year-to-date monthly average of $320K.
Last updated: April 2026 dataMethyl isobutyl ketone (MIBK) is a widely used industrial solvent classified under a single 10-digit line, 2914130000, with no further US tariff subdivisions. It serves as a key solvent in coatings, adhesives, and rubber processing, and is also used in solvent extraction of rare earth metals. South Africa and Mexico are the leading US import sources, with Canada also a significant supplier — USMCA origin may affect duty treatment for Canadian and Mexican shipments. Importers should verify whether specific shipments are subject to any applicable trade-remedy orders before entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Importers should check for any applicable antidumping or countervailing duty orders on MIBK from specific origins before filing entry. Trade-remedy coverage can change, so consulting CBP's ADCVD portal or a licensed customs broker is advisable.
MIBK is specifically enumerated at the HS6 level (291413) and has its own dedicated 10-digit US tariff line (2914130000), distinguishing it from other acyclic ketones that fall under the residual 291419 basket. The specific enumeration means misclassifying MIBK as a generic acyclic ketone could result in an incorrect duty rate or missed trade-remedy applicability.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| BELGIUM | -- | $1.3M | +$1.3M |
| BRAZIL | -- | $487K | +$487K |
| SOUTH AFRICA | $355K | -- | -$355K |
| CANADA | -- | $196K | +$196K |
| MEXICO | -- | $191K | +$191K |
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % |
|---|---|---|---|
| 2914130000 | 4-METHYLPENTAN-2-ONE (METHYL ISOBUTYL KETONE) | $355K | -- |
4-METHYLPENTAN-2-ONE (METHYL ISOBUTYL KETONE)
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2914130000 | 4-METHYLPENTAN-2-ONE (METHYL ISOBUTYL KETONE) | $2.3M |
4-METHYLPENTAN-2-ONE (METHYL ISOBUTYL KETONE)
2.1M kg
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
COMP WITH PYRIMIDINE OR PIPERAZINE RING, NESOI
HS 293359
ANTIBIOTICS, NESOI
HS 294190
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $355K | $1.9M | +$1.5M |
| BROWNSVILLE, TX | -- | $182K | +$182K |
| INTERNATIONAL FALLS-RANIER, MN | -- | $173K | +$173K |