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HSChapter 38
U.S. imports of chemical products and preparations of the chemical or allied industries, nesoi (HS 382499) totaled $524.0M in May 2026, traded with 68 countries.
Importers of Chemical Products and Preparations of the Chemical or Allied Industries, NESOI paid $61.9M in duties in May 2026 — an effective duty rate of 13% on $464.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Chemical Products and Preparations of the Chemical or Allied Industries, NESOI imports of $524.0M in May 2026 ran 25% above the year-to-date monthly average of $418.3M.
Last updated: May 2026 dataAs the principal residual heading in Chapter 38, this subheading captures an exceptionally broad range of chemical products and preparations that do not fit more specific headings — from cultured crystals and bismuth mixtures to naphthenic acids, halogenated hydrocarbon blends, fatty acid ester mixtures, and complex inorganic compound blends used in battery cathode materials. Japan, South Korea, Germany, Canada, and China collectively dominate US import supply, reflecting the heading's role as a catch-all for advanced specialty chemicals sourced from the world's major chemical-producing economies. The 10-digit tariff lines under 382499 are highly granular: for example, 3824993910 covers lithium-nickel-cobalt-manganese oxide mixtures critical to EV battery manufacturing, while 3824991100 and 3824991900 cover cultured crystal ingots and pieces used in optical and electronic applications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Classification under 382499 is appropriate only after ruling out all more specific headings in Chapter 38 and elsewhere in the tariff schedule. The importer should first assess whether the mixture's principal constituent or defining characteristic places it under a named subheading (e.g., 382487 for PFOS preparations, 382488 for PBDEs). Only if no specific heading applies does 382499 become the correct classification. A licensed customs broker or trade attorney should be consulted for complex multi-component preparations.
Many 10-digit lines under 382499 are subject to Section 301 tariffs on goods of Chinese origin. The specific lines affected and the applicable list (List 1 through List 4A) vary by tariff number, so importers sourcing from China should conduct a line-by-line Section 301 review for each applicable 10-digit code rather than assuming uniform treatment across the heading.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $165.4M | $20.5M | -$145.0M |
| CANADA | $38.7M | $65.5M | +$26.9M |
| KOREA, SOUTH | $78.8M | $23.8M | -$55.0M |
| GERMANY | $55.5M | $35.7M | -$19.7M |
| MEXICO | $12.0M | $69.0M | +$57.0M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3824993990 | MIXTURES OF TWO OR MORE INORGANIC COMPOUNDS, NESOI | $182.7M | 9.87% | 85.16% | $18.0M |
| 3824999397 | CHEM PROD, PREPS & RESIDS OF CHEM/ALLIED IND NESOI | $142.4M | 14.83% | 88.80% | $21.1M |
| 3824993910 | MIX OF =>2 INORG CMPNDS, LITHM NCKL CBLT MNGNS OXD | $33.1M | 8.61% | 85.16% | $2.8M |
| 3824992900 | MIX >=5% WT,>1WT AROM SBST,NESOI | $14.6M | 6.47% | 57.20% | $947K |
| 3824994190 | FATTY SUBST OF ANIMAL/VEGETABLE ORGIN MIXT, NESOI | $10.7M | 9.32% | 66.83% | $993K |
| 3824994900 | MIXTURE, HYDROCRBN DERIVED FR PETRO/SHALE OIL ETC | $9.1M | 1.34% | 16.06% | $122K |
| 3824994140 | MIXTURES OF FATTY ACID ESTERS, NESOI | $8.2M | 12.71% | 96.86% | $1.0M |
| 3824999386 | CHM PRD, PRPS & RSDS CHM/ALLIED IND MIX MG DES REG | $4.8M | 0.90% | 2.29% | $43K |
| 3824997000 | MIXTURES OF DIBROMONEOPENTYL GLYCOL;POLYDIBROMOPHE | $2.5M | 10.61% | 100.41% | $270K |
| 3824995500 | MIXTURES OF HALOGENATED HYDROCARBONS, NESOI | $2.0M | 4.13% | 99.88% | $81K |
| 3824991900 | CULTURED CRYSTALS, WGT GE 2.5 G EA, EXC INGOTS | $1.3M | 12.06% | 75.79% | $153K |
| 3824995000 | MIXTURES OF HALOGENATED HYDROCARBONS,CHLORINATED | $1.0M | 21.37% | 96.13% | $218K |
| 3824999330 | MIX OF ACYCLIC, MONOHYDRIC UNSUB ALCOHOLS NESOI | $839K | 12.39% | 74.08% | $104K |
| 3824997550 | WATER-INSOLUBLE SALTS & THEIR ESTERS, NESOI | $442K | 7.92% | 100.00% | $35K |
| 3824993400 | MIXTURES OF MOLYBDENUM (MOLYBDENUM CONTENT) | $220K | 0.36% | 2.83% | $796 |
| 3824999310 | MIXTURES OF UNSUBSTITUTED ALCOHOLS WITH C11 OR LOW | $179K | 19.66% | 96.72% | $35K |
| 3824991100 | CULTURED CRYSTAL IN THE FORM OF INGOTS | $166K | 10.57% | 91.13% | $18K |
| 3824993100 | MIXTURES OF BISMUTH | $149K | 16.09% | 97.52% | $24K |
| 3824999361 | MIX MAINLY OF CHEM CONTG A PHOS ATOM BONDED, ETC | $145K | 10.29% | 55.76% | $15K |
| 3824992100 | MIXTURES GT=5% BY WGT,GT=1 AROM/MODIF,NAT COAL | $110K | 2.78% | 100.00% | $3K |
| 3824993600 | MIXTURES OF VANADIUM | $107K | 23.22% | 96.75% | $25K |
| 3824992600 | BENZENE,2,4-DIISOCYANATE-1,3,5-TRIS-(1-METHYLETHYL | $71K | 9.70% | 96.95% | $7K |
| 3824999320 | MIX OF ACYCLIC, MONOHYDRIC UNSUB ALCOHOLS, >C12 | $8K | 15.01% | 100.00% | $1K |
| 3824992500 | MIXTURE GT=5% BY WGT, GT=1 AROM/MODIF SUBST, NESOI | $8K | 16.50% | 100.00% | $1K |
| 3824993500 | MIXTURES OF TUNGSTEN (TUNGSTEN CONTENT) | $3K | 16.49% | 100.00% | $538 |
| 3824997510 | NAPHTHENIC ACIDS | $0 | -- | -- | -- |
MIXTURES OF TWO OR MORE INORGANIC COMPOUNDS, NESOI
CHEM PROD, PREPS & RESIDS OF CHEM/ALLIED IND NESOI
MIX OF =>2 INORG CMPNDS, LITHM NCKL CBLT MNGNS OXD
MIX >=5% WT,>1WT AROM SBST,NESOI
FATTY SUBST OF ANIMAL/VEGETABLE ORGIN MIXT, NESOI
MIXTURE, HYDROCRBN DERIVED FR PETRO/SHALE OIL ETC
MIXTURES OF FATTY ACID ESTERS, NESOI
CHM PRD, PRPS & RSDS CHM/ALLIED IND MIX MG DES REG
MIXTURES OF DIBROMONEOPENTYL GLYCOL;POLYDIBROMOPHE
MIXTURES OF HALOGENATED HYDROCARBONS, NESOI
CULTURED CRYSTALS, WGT GE 2.5 G EA, EXC INGOTS
MIXTURES OF HALOGENATED HYDROCARBONS,CHLORINATED
MIX OF ACYCLIC, MONOHYDRIC UNSUB ALCOHOLS NESOI
WATER-INSOLUBLE SALTS & THEIR ESTERS, NESOI
MIXTURES OF MOLYBDENUM (MOLYBDENUM CONTENT)
MIXTURES OF UNSUBSTITUTED ALCOHOLS WITH C11 OR LOW
CULTURED CRYSTAL IN THE FORM OF INGOTS
MIXTURES OF BISMUTH
MIX MAINLY OF CHEM CONTG A PHOS ATOM BONDED, ETC
MIXTURES GT=5% BY WGT,GT=1 AROM/MODIF,NAT COAL
MIXTURES OF VANADIUM
BENZENE,2,4-DIISOCYANATE-1,3,5-TRIS-(1-METHYLETHYL
MIX OF ACYCLIC, MONOHYDRIC UNSUB ALCOHOLS, >C12
MIXTURE GT=5% BY WGT, GT=1 AROM/MODIF SUBST, NESOI
MIXTURES OF TUNGSTEN (TUNGSTEN CONTENT)
NAPHTHENIC ACIDS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3824999370 | CHEM PRODUCTS & PREPS OF CHEM/ALLIED INDUST, NESOI | $419.4M |
| 3824994100 | FATTY SUBSTANCES ANIMAL/VEG ORGIN & MIXTURES NESOI | $15.6M |
| 3824991900 | CULTURED CRYSTALS, WGT GE 2.5 G EA, EXC INGOTS | $11.1M |
| 3824991100 | CULTURED CRYSTAL IN THE FORM OF INGOTS | $9.7M |
| 3824999310 | MIXTURES OF UNSUBSTITUTED ALCOHOLS WITH C11 OR LOW | $2.7M |
| 3824999340 | MIXTURES, ACYCLIC, MONOHYDRIC, UNSUBST ALCH, NESOI | $1.4M |
| 3824997500 | NAPHTHENIC ACIDS, WATER-INSOLUBLE SALTS & ESTERS | $1.4M |
| 3824995595 | MIXTURES OF HALOGENATED HYDROCARBONS, NESOI | $1.1M |
| 3824999361 | MIX MAINLY OF CHEM CONTG A PHOS ATOM BONDED, ETC | $874K |
| 3824995000 | MIXTURES OF HALOGENATED HYDROCARBONS,CHLORINATED | $864K |
CHEM PRODUCTS & PREPS OF CHEM/ALLIED INDUST, NESOI
76.0M kg
FATTY SUBSTANCES ANIMAL/VEG ORGIN & MIXTURES NESOI
2.2M kg
CULTURED CRYSTALS, WGT GE 2.5 G EA, EXC INGOTS
1.4M kg
CULTURED CRYSTAL IN THE FORM OF INGOTS
4.3M kg
MIXTURES OF UNSUBSTITUTED ALCOHOLS WITH C11 OR LOW
1.2M kg
MIXTURES, ACYCLIC, MONOHYDRIC, UNSUBST ALCH, NESOI
300.7K kg
NAPHTHENIC ACIDS, WATER-INSOLUBLE SALTS & ESTERS
43.8K kg
MIXTURES OF HALOGENATED HYDROCARBONS, NESOI
54.5K kg
MIX MAINLY OF CHEM CONTG A PHOS ATOM BONDED, ETC
287.4K kg
MIXTURES OF HALOGENATED HYDROCARBONS,CHLORINATED
315.7K kg
INDUST MONOCARBOXYLIC FATTY ACIDS, NESOI ACID OILS
HS 382319
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $33.7M | $72.3M | +$38.6M |
| Nevada | $62.6M | $9.6M | -$53.0M |
| California | $46.9M | $16.4M | -$30.6M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $24.9M | $48.1M | +$23.2M |
| LOS ANGELES, CA | $47.2M | $14.9M | -$32.3M |
| OAKLAND, CA | $50.3M | $10.2M | -$40.1M |