Section 6: Products of the Chemical or Allied Industries
Chapter 38: Chapter 38
229 tariff codes in this chapter
| HTS Code | Description | General Rate |
|---|---|---|
| 3801 | Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other c... | — |
| 3801.10 | Artificial graphite: | — |
| 3801.10.10 | Plates, rods, powder and other forms, wholly or partly manufactured, for manufacturing into brushes ... | 3.7% |
| 3801.10.50 | Other | Free |
| 3801.20.00 | Colloidal or semi-colloidal graphite | Free |
| 3801.30.00 | Carbonaceous pastes for electrodes and similar pastes for furnace linings | 4.9% |
| 3801.90.00 | Other | 4.9% |
| 3802 | Activated carbon; activated natural mineral products; animal black, including spent animal black: | — |
| 3802.10.00 | Activated carbon | 4.8% |
| 3802.90 | Other: | — |
| 3802.90.10 | Bone black | 5.8% |
| 3802.90.20 | Activated clays and activated earths | 2.5% |
| 3802.90.50 | Other | 4.8% |
| 3803.00.00 | Tall oil, whether or not refined | Free |
| 3804.00 | Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemicall... | — |
| 3804.00.10 | Lignin sulfonic acid and its salts | Free |
| 3804.00.50 | Other | 3.7% |
| 3805 | Gum, wood or sulfate turpentine and other terpenic oils produced by the distillation or other treatm... | — |
| 3805.10.00 | Gum, wood or sulfate turpentine oils | 5% |
| 3805.90 | Other: | — |
| 3805.90.10 | Pine oil | Free |
| 3805.90.50 | Other | 3.7% |
| 3806 | Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums: | — |
| 3806.10.00 | Rosin and resin acids | 5% |
| 3806.20.00 | Salts of rosin, of resin acids or of derivatives of rosin or resin acids, other than salts of rosin ... | 3.7% |
| 3806.30.00 | Ester gums | 6.5% |
| 3806.90.00 | Other | 4.2% |
| 3807.00.00 | Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar pr... | 0.1% |
| 3808 | Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulato... | — |
| 3808.52.00 | DDT (ISO) (clofenatone (INN)), in packings of a net weight content not exceeding 300 g | 6.5% |
| 3808.59 | Other: | — |
| 3808.59.10 | Containing any aromatic or modified aromatic pesticide | 6.5% |
| 3808.59.40 | Disinfectants | 5% |
| 3808.59.50 | Other | 5% |
| 3808.61 | In packings of a net weight content not exceeding 300 g: | — |
| 3808.61.10 | Containing any aromatic or modified aromatic pesticide | 6.5% |
| 3808.61.50 | Other | 5% |
| 3808.62 | In packings of a net weight content exceeding 300 g but not exceeding 7.5 kg: | — |
| 3808.62.10 | Containing any aromatic or modified aromatic pesticide | 6.5% |
| 3808.62.50 | Other | 5% |
| 3808.69 | Other: | — |
| 3808.69.10 | Containing any aromatic or modified aromatic pesticide | 6.5% |
| 3808.69.50 | Other | 5% |
| 3808.91 | Insecticides: | — |
| 3808.91.10 | Fly ribbons (ribbon fly catchers) | 2.8% |
| 3808.91.15 | Mixtures of N-[[(4-chlorophenyl)amino]- carbonyl]-2,6-difluorobenzamide and inert substances | Free |
| 3808.91.25 | Other | 6.5% |
| 3808.91.30 | Containing an inorganic substance | 5% |
| 3808.91.50 | Other | 5% |
| 3808.92 | Fungicides: | — |
| 3808.92.05 | Mixtures of dinocap and application adjuvants | Free |
| 3808.92.15 | Other | 6.5% |
| 3808.92.24 | Maneb; Zineb; Mancozeb; and Metiram | Free |
| 3808.92.28 | Other | 3.7% |
| 3808.92.30 | Containing an inorganic substance | 5% |
| 3808.92.50 | Other | 5% |
| 3808.93 | Herbicides, anti-sprouting products and plant-growth regulators: | — |
| 3808.93.05 | Mixtures of 2,6-dichlorobenzonitrile and inerts; Mixtures of 3,5-dichloro-N-(1,1-dimethyl-2- propyny... | Free |
| 3808.93.15 | Other | 6.5% |
| 3808.93.20 | Containing an inorganic substance | 5% |
| 3808.93.50 | Other | 5% |
| 3808.94 | Disinfectants: | — |
| 3808.94.10 | Containing any aromatic or modified aromatic disinfectant | 6.5% |
| 3808.94.50 | Other | 5% |
| 3808.99 | Other: | — |
| 3808.99.04 | Mixtures of 1,1-bis(4-chlorophenyl)-2,2,2- trichloroethanol (Dicofol) and application adjuvants | Free |
| 3808.99.08 | Other | 6.5% |
| 3808.99.30 | Formulated biocides based on 2-methyl-4-isothiazolin-3-one, or 2-n-octyl-4-isothiazolin-3-one, or 4,... | Free |
| 3808.99.70 | Containing an inorganic substance | 5% |
| 3808.99.95 | Other | 5% |
| 3809 | Finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products an... | — |
| 3809.10.00 | With a basis of amylaceous substances | 2.2¢/kg + 3% |
| 3809.91.00 | Of a kind used in the textile or like industries | 6% |
| 3809.92 | Of a kind used in the paper or like industries: | — |
| 3809.92.10 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances | 6.5% |
| 3809.92.50 | Other | 6% |
| 3809.93 | Of a kind used in the leather or like industries: | — |
| 3809.93.10 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances | 6.5% |
| 3809.93.50 | Other | 6% |
| 3810 | Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, bra... | — |
| 3810.10.00 | Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consistin... | 5% |
| 3810.90 | Other: | — |
| 3810.90.10 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances | 6.5% |
| 3810.90.20 | Consisting wholly of inorganic substances | Free |
| 3810.90.50 | Other | 5% |
| 3811 | Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive pr... | — |
| 3811.11 | Based on lead compounds: | — |
| 3811.11.10 | Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl lead | Free |
| 3811.11.50 | Other | Free |
| 3811.19.00 | Other | 6.5% |
| 3811.21.00 | Containing petroleum oils or oils obtained from bituminous minerals | 6.5% |
| 3811.29.00 | Other | 6.5% |
| 3811.90.00 | Other | 6.5% |
| 3812 | Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified ... | — |
| 3812.10 | Prepared rubber accelerators: | — |
| 3812.10.10 | Containing any aromatic or modified aromatic rubber accelerator | 6.5% |
| 3812.10.50 | Other | 5% |
| 3812.20 | Compound plasticizers for rubber or plastics: | — |
| 3812.20.10 | Containing any aromatic or modified aromatic plasticizer | 6.5% |
| 3812.20.50 | Other | 5% |
| 3812.31.00 | Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) | 6.5% |
| 3812.39 | Other: | — |
| 3812.39.20 | Mixtures of N,N'-diaryl-p-phenylenediamines | 6.5% |
| 3812.39.30 | Master batches of poly[nitrilomethanetetraaryl- nitrilo[2,4,6- tris(1-methylethyl)-1,3- phenylene]]-... | Free |
| 3812.39.60 | Other | 6.5% |
| 3812.39.70 | Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate | Free |
| 3812.39.90 | Other | 5% |
| 3813.00 | Preparations and charges for fire extinguishers; charged fire-extinguishing grenades: | — |
| 3813.00.10 | Consisting wholly of inorganic substances | Free |
| 3813.00.50 | Other | 3.7% |
| 3814.00 | Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varn... | — |
| 3814.00.10 | Containing 5 percent or more but not more than 25 percent by weight of one or more aromatic or modif... | 6.5% |
| 3814.00.20 | Containing more than 25 percent by weight of one or more aromatic or modified aromatic substances | 6.5% |
| 3814.00.50 | Other | 6% |
| 3815 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or in... | — |
| 3815.11.00 | With nickel or nickel compounds as the active substance | Free |
| 3815.12.00 | With precious metal or precious metal compounds as the active substance | Free |
| 3815.19.00 | Other | Free |
| 3815.90 | Other: | — |
| 3815.90.10 | Of bismuth, of tungsten or of vanadium | 6.5% |
| 3815.90.20 | Of mercury or of molybdenum | 2.8% |
| 3815.90.30 | Other | Free |
| 3815.90.50 | Other | 5% |
| 3816 | Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, oth... | — |
| 3816.00.10 | Dolomite ramming mix | Free |
| 3816.00.20 | Other | 3% |
| 3817 | Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902: | — |
| 3817.00.10 | Mixed linear alkylbenzenes | 6.5% |
| 3817.00.15 | Other | 6.5% |
| 3817.00.20 | Mixed alkylnaphthalenes | 6.5% |
| 3818.00.00 | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemi... | Free |
| 3819.00.00 | Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or cont... | 6.5% |
| 3820.00.00 | Antifreezing preparations and prepared deicing fluids | 6.5% |
| 3821.00.00 | Prepared culture media for development or maintenance of micro-organisms (including viruses and the ... | 5% |
| 3822 | Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether o... | — |
| 3822.11.00 | For malaria | Free |
| 3822.12.00 | For Zika and other diseases transmitted by mosquitoes of the genus Aedes | Free |
| 3822.13.00 | For blood-grouping | Free |
| 3822.19.00 | Other | Free |
| 3822.90.00 | Certified reference materials | Free |
| 3823 | Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols: | — |
| 3823.11.00 | Stearic acid | 2.1¢/kg + 3.8% |
| 3823.12.00 | Oleic acid | 2.1¢/kg + 3.2% |
| 3823.13.00 | Tall oil fatty acids | 3.2% |
| 3823.19 | Other: | — |
| 3823.19.20 | Derived from coconut, palm-kernel or palm oil | 2.3% |
| 3823.19.40 | Other | 3.2% |
| 3823.70 | Industrial fatty alcohols: | — |
| 3823.70.20 | Oleyl | 5.1% |
| 3823.70.40 | Other | 2% |
| 3823.70.60 | Other | 2.4% |
| 3824 | Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or a... | — |
| 3824.10.00 | Prepared binders for foundry molds or cores | 6% |
| 3824.30.00 | Nonagglomerated metal carbides mixed together or with metallic binders | 3.6% |
| 3824.40 | Prepared additives for cements, mortars or concretes: | — |
| 3824.40.10 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances | 6.5% |
| 3824.40.20 | Consisting wholly of inorganic substances | Free |
| 3824.40.50 | Other | 5% |
| 3824.50.00 | Nonrefractory mortars and concretes | Free |
| 3824.60.00 | Sorbitol other than that of subheading 2905.44 | 4.9% |
| 3824.81.00 | Containing oxirane (ethylene oxide) | 5% |
| 3824.82 | Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated bi... | — |
| 3824.82.10 | Chlorinated but not otherwise halogenated | 6.5% |
| 3824.82.90 | Other | 3.7% |
| 3824.83.00 | Containing tris(2,3-dibromopropyl) phospate | 5% |
| 3824.84.00 | Containing aldrin (ISO), camphechlor (ISO) (toxaphene), chlordane (ISO), chlordecone (ISO), DDT (ISO... | 6.5% |
| 3824.85.00 | Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN) | 6.5% |
| 3824.86.00 | Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO) | 6.5% |
| 3824.87.00 | Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctan... | 3.7% |
| 3824.88.00 | Containing tetra-, penta-, hexa-, hepta-, or octabromodiphenyl ethers | 6.5% |
| 3824.89.00 | Containing short-chain chlorinated paraffins | 6.5% |
| 3824.91.00 | Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)met... | 5% |
| 3824.92.00 | Polyglycol esters of methylphosphonic acid. | 5% |
| 3824.99 | Other: | — |
| 3824.99.11 | In the form of ingots | Free |
| 3824.99.19 | Other | 6.5% |
| 3824.99.21 | Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other... | Free |
| 3824.99.25 | Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride a... | 6.5% |
| 3824.99.26 | Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsul... | Free |
| 3824.99.29 | Other | 6.5% |
| 3824.99.31 | Of bismuth | 6.5% |
| 3824.99.32 | Of hydrosulfite compounds, of sulfoxylate compounds, or of both | 6.5% |
| 3824.99.33 | Of mercury | 4.2% |
| 3824.99.34 | Of molybdenum | 2.8% |
| 3824.99.35 | Of tungsten | 6.5% |
| 3824.99.36 | Of vanadium | 6.5% |
| 3824.99.39 | Other | Free |
| 3824.99.41 | Fatty substances of animal or vegetable origin and mixtures thereof | 4.6% |
| 3824.99.49 | Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, sh... | 6.5% |
| 3824.99.50 | Chlorinated but not otherwise halogenated | 6.5% |
| 3824.99.55 | Other | 3.7% |
| 3824.99.70 | Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate ol... | Free |
| 3824.99.75 | Naphthenic acids, their water-insoluble salts and their esters | 3.7% |
| 3824.99.93 | Other | 5% |
| 3825 | Residual products of the chemical or allied industries, not elsewhere specified or included; municip... | — |
| 3825.10.01 | Municipal waste | Free |
| 3825.20.00 | Sewage sludge | Free |
| 3825.30.00 | Clinical waste | Free |
| 3825.41.00 | Halogenated | Free |
| 3825.49.00 | Other | Free |
| 3825.50.00 | Wastes of metal-pickling liquors, hydraulic fluids, brake fluids and anti-freeze fluids | Free |
| 3825.61.00 | Mainly containing organic constituents | Free |
| 3825.69.00 | Other | Free |
| 3825.90.01 | Other | Free |
| 3826.00 | Biodiesel and mixtures thereof, not containing or containing less than 70 percent by weight of petro... | — |
| 3826.00.10 | Biodiesel not containing petroleum oils or oils obtained from bituminous materials (B100) | 4.6% |
| 3826.00.30 | Other | 6.5% |
| 3827 | Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified o... | — |
| 3827.11.00 | Containing chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), p... | 3.7% |
| 3827.12.00 | Containing hydrobromofluorocarbons (HBFCs) | 3.7% |
| 3827.13.00 | Containing carbon tetrachloride | 6.5% |
| 3827.14.00 | Containing 1,1,1-trichloroethane (methyl chloroform) | 6.5% |
| 3827.20.00 | Containing bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301) or dibromotet... | 3.7% |
| 3827.31.00 | Containing substances of subheadings 2903.41 to 2903.48 | 3.7% |
| 3827.32.00 | Other, containing substances of subheadings 2903.71 to 2903.75 | 3.7% |
| 3827.39.00 | Other | 3.7% |
| 3827.40.00 | Containing methyl bromide (bromomethane) or bromochloromethane | 3.7% |
| 3827.51.00 | Containing trifluoromethane (HFC-23) | 3.7% |
| 3827.59.00 | Other | 3.7% |
| 3827.61.00 | Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a) | 3.7% |
| 3827.62.00 | Other, not included in the subheading above, containing 55 percent or more by mass of pentafluoroeth... | 3.7% |
| 3827.63.00 | Other, not included in the subheadings above, containing 40 percent or more by mass of pentafluoroet... | 3.7% |
| 3827.64.00 | Other, not included in the subheadings above, containing 30 percent or more by mass of 1,1,1,2-tetra... | 3.7% |
| 3827.65.00 | Other, not included in the subheadings above, containing 20 percent or more by mass of difluorometha... | 3.7% |
| 3827.68.00 | Other, not included in the subheadings above, containing substances of subheadings 2903.41 to 2903.4... | 3.7% |
| 3827.69.00 | Other | 3.7% |
| 3827.90 | Other: | — |
| 3827.90.10 | Chlorinated but not otherwise halogenated | 6.5% |
| 3827.90.90 | Other | 3.7% |
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Chapter 38 FAQ
What products are covered by HTS Chapter 38?▶
Chapter 38 of the Harmonized Tariff Schedule covers chapter 38. It contains 229 tariff codes classifying specific products for US import duty purposes.
How many tariff codes are in Chapter 38?▶
Chapter 38 contains 229 tariff codes, of which 182 are classifiable (leaf) codes. 44 of these codes have a duty-free general rate.
What are the duty rates for Chapter 38 imports?▶
Duty rates in Chapter 38 (Chapter 38) vary by specific product classification and country of origin. General (MFN) rates apply to most countries, while preferential rates may be available under trade agreements like USMCA, GSP, or bilateral FTAs.