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HSChapter 29
U.S. imports of chloroform (trichloromethane) (HS 290313) totaled $1.0M in June 2026, traded with 6 countries.
Chloroform (Trichloromethane) imports of $1.0M in June 2026 ran 112% above the year-to-date monthly average of $493K.
Chloroform, chemically trichloromethane, is a chlorinated solvent primarily used as a pharmaceutical intermediate, laboratory reagent, and precursor to HCFC-22 refrigerant. Classified under HTS 2903130000, it is subject to EPA TSCA certification and, like other chlorinated methanes, falls within the Montreal Protocol's regulatory framework when used in ozone-depleting-substance applications. Germany and France lead US imports under this heading, with the Netherlands, South Korea, and India also among recorded suppliers. Pharmaceutical-grade chloroform is subject to additional FDA purity standards, and importers supplying that market should confirm compliance with applicable USP or EP monographs.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Both grades are classified under HTS 2903130000 — the HTS does not distinguish by purity grade. However, pharmaceutical-grade chloroform must meet USP or equivalent pharmacopeial standards, and importers supplying drug manufacturers may face additional FDA scrutiny regarding the foreign supplier's quality systems. The classification is the same, but the compliance burden differs significantly by end use.
Chloroform is listed as a DEA List II chemical precursor in some jurisdictions, but in the US it is not currently a federally controlled precursor chemical under DEA regulations for import purposes. However, it is subject to EPA TSCA certification and, if used as a feedstock for HCFC-22 production, may implicate EPA allowance requirements under the Clean Air Act's ozone-depleting substance program. Importers should verify current regulatory status with a licensed customs broker.
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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 |
|---|---|---|---|---|
| 2903130000 | CHLOROFORM | $1.0M | 0.00% | 100.00% |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2903130000 | CHLOROFORM (TRICHLOROMETHANE) | $77K |
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
| State | Imports | Exports | Balance |
|---|---|---|---|
| Kentucky | $1.0M | $3K | -$1.0M |
| Massachusetts | -- | $43K | +$43K |
| Unidentified | -- | $28K | +$28K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $1.0M | -- | -$1.0M |
| LOW VALUE | -- | $28K | +$28K |
| NEW ORLEANS, LA | -- | $23K | +$23K |