Harmonized Tariff Schedule

Chapter 38: Chemical Products NES

HTS Chapter 38 covers chemical products nes imported into the United States. Use this page to review tariff classifications, MFN duty rates, and special program rates by code.

HTS Codes in Chapter 38

277 codes
CodeDescriptionGeneral RateSpecial RateFlags
3801Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures:Free-
Section 301
3801.10Artificial graphite:Free-
Section 301
3801.10.10.00Plates, rods, powder and other forms, wholly or partly manufactured, for manufacturing into brushes for electric generators, motors or other machines or appliances3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3801.10.50OtherFree-
Section 301
3801.10.50.10Surface-modified spherical graphiteFree-
Section 301
3801.10.50.90OtherFree-
Section 301
3801.20.00.00Colloidal or semi-colloidal graphiteFree-
Section 301
3801.30.00.00Carbonaceous pastes for electrodes and similar pastes for furnace linings4.9%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3801.90.00.00Other4.9%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3802Activated carbon; activated natural mineral products; animal black, including spent animal black:Free-
Section 301
3802.10.00Activated carbon4.8%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3802.10.00.10Derived from coalFree-
Section 301
3802.10.00.20Derived from coconutFree-
Section 301
3802.10.00.50OtherFree-
Section 301
3802.90Other:Free-
Section 301
3802.90.10.00Bone black5.8%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3802.90.20.00Activated clays and activated earths2.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3802.90.50.00Other4.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3803.00.00.00Tall oil, whether or not refinedFree-
Section 301
3804.00Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulfonates, but excluding tall oil of heading 3803:Free-
Section 301
3804.00.10.00Lignin sulfonic acid and its saltsFree-
Section 301
3804.00.50.00Other3.7%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3805Gum, wood or sulfate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous woods; crude dipentene; sulfite turpentine and other crude para-cymene; pine oil containing alpha-terpineol as the main constituent:Free-
Section 301
3805.10.00.00Gum, wood or sulfate turpentine oils5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3805.90Other:Free-
Section 301
3805.90.10.00Pine oilFree-
Section 301
3805.90.50.00Other3.7%Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3806Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums:Free-
Section 301
3806.10.00Rosin and resin acids5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3806.10.00.10Gum rosinFree-
Section 301
3806.10.00.50OtherFree-
Section 301
3806.20.00.00Salts of rosin, of resin acids or of derivatives of rosin or resin acids, other than salts of rosin adducts3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3806.30.00.00Ester gums6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3806.90.00.00Other4.2%Free (A,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3807.00.00.00Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar preparations based on rosin, resin acids or on vegetable pitch0.1%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulators, disinfectants and similar products, put up in forms or packings for retail sale or as preparations or articles (for example, sulfur-treated bands, wicks and candles, and flypapers):Free-
Section 301
3808.52.00.00DDT (ISO) (clofenatone (INN)), in packings of a net weight content not exceeding 300 g6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.59Other:Free-
Section 301
3808.59.10.00Containing any aromatic or modified aromatic pesticide6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.59.40.00Disinfectants5%Free (A,AU,BH, CL,CO,D,E,IL, JO,K,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3808.59.50.00Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.61In packings of a net weight content not exceeding 300 g:Free-
Section 301
3808.61.10.00Containing any aromatic or modified aromatic pesticide6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.61.50.00Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.62In packings of a net weight content exceeding 300 g but not exceeding 7.5 kg:Free-
Section 301
3808.62.10.00Containing any aromatic or modified aromatic pesticide6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.62.50.00Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.69Other:Free-
Section 301
3808.69.10.00Containing any aromatic or modified aromatic pesticide6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.69.50.00Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.91Insecticides:Free-
Section 301
3808.91.10.00Fly ribbons (ribbon fly catchers)2.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.91.15.00Mixtures of N-[[(4-chlorophenyl)amino]- carbonyl]-2,6-difluorobenzamide and inert substancesFree-
Section 301
3808.91.25.01Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.91.30.00Containing an inorganic substance5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.91.50.01Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.92Fungicides:Free-
Section 301
3808.92.05.00Mixtures of dinocap and application adjuvantsFree-
Section 301
3808.92.15.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.92.24.00Maneb; Zineb; Mancozeb; and MetiramFree-
Section 301
3808.92.28.00Other3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.92.30.00Containing an inorganic substance5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.92.50Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.92.50.40Formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC)Free-
Section 301
3808.92.50.80OtherFree-
Section 301
3808.93Herbicides, anti-sprouting products and plant-growth regulators:Free-
Section 301
3808.93.05.00Mixtures of 2,6-dichlorobenzonitrile and inerts; Mixtures of 3,5-dichloro-N-(1,1-dimethyl-2- propynyl) benzamide (Pronamide) and application adjuvants; Mixtures of 2-[(1-ethoxyimino)butyl]-5-[2- ethylthiopropyl]-3-hydroxy-2-cyclohexen-1- one (Sethoxydim) and application adjuvants; Mixtures of ethyl 2-[4-[(6-chloro-2- benzoxazolyl)oxy]phenoxy]propanoate (Fenoxaprop-ethyl) and isooctyl 2,4-dichlorophenoxyacetate; Mixtures of isooctyl 2-methyl-4-chlorophen- oxyacetate and application adjuvantsFree-
Section 301
3808.93.15.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.93.20.00Containing an inorganic substance5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.93.50Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.93.50.10Mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvantsFree-
Section 301
3808.93.50.20Mixtures of N-(phosphonomethyl) glycine (glyphosate) or its salts or esters and application adjuvantsFree-
Section 301
3808.93.50.40OtherFree-
Section 301
3808.94Disinfectants:Free-
Section 301
3808.94.10.00Containing any aromatic or modified aromatic disinfectant6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.94.50Other5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.94.50.10Wipes, other than paper wipes or nonwoven wipes, impregnated with alcohol or other disinfectantsFree-
Section 301
3808.94.50.50Hydrogen peroxide put up in disinfectant preparations for sanitizing or disinfecting surfaces.Free-
Section 301
3808.94.50.80Alcohol-based hand sanitizer containing 60 percent or more by weight of ethanol, of a kind described in statistical note 1 to this chapterFree-
Section 301
3808.94.50.95OtherFree-
Section 301
3808.99Other:Free-
Section 301
3808.99.04.00Mixtures of 1,1-bis(4-chlorophenyl)-2,2,2- trichloroethanol (Dicofol) and application adjuvantsFree-
Section 301
3808.99.08.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.99.30.00Formulated biocides based on 2-methyl-4-isothiazolin-3-one, or 2-n-octyl-4-isothiazolin-3-one, or 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, or mixtures of 5-chloro-2-methyl-4- isothiazolin-3-one and 2-methyl-4- isothiazolin-3-one; and MetaldehydeFree-
Section 301
3808.99.70.00Containing an inorganic substance5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3808.99.95.01Other5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3809Finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included:Free-
Section 301
3809.10.00.00With a basis of amylaceous substances2.2¢/kg + 3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3809.91.00.00Of a kind used in the textile or like industries6%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3% (JP)
Section 301
3809.92Of a kind used in the paper or like industries:Free-
Section 301
3809.92.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3809.92.50.00Other6%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3809.93Of a kind used in the leather or like industries:Free-
Section 301
3809.93.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3809.93.50.00Other6%Free (A,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3810Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods:Free-
Section 301
3810.10.00.00Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3810.90Other:Free-
Section 301
3810.90.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3810.90.20.00Consisting wholly of inorganic substancesFree-
Section 301
3810.90.50.00Other5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3811Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils:Free-
Section 301
3811.11Based on lead compounds:Free-
Section 301
3811.11.10.00Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl leadFree-
Section 301
3811.11.50.00OtherFree-
Section 301
3811.19.00.00Other6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3811.21.00.00Containing petroleum oils or oils obtained from bituminous minerals6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3811.29.00.00Other6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3811.90.00.00Other6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3812Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics:Free-
Section 301
3812.10Prepared rubber accelerators:Free-
Section 301
3812.10.10.00Containing any aromatic or modified aromatic rubber accelerator6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3812.10.50.00Other5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3812.20Compound plasticizers for rubber or plastics:Free-
Section 301
3812.20.10.00Containing any aromatic or modified aromatic plasticizer6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3812.20.50.00Other5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3812.31.00.00Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3812.39Other:Free-
Section 301
3812.39.20.00Mixtures of N,N'-diaryl-p-phenylenediamines6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3812.39.30.00Master batches of poly[nitrilomethanetetraaryl- nitrilo[2,4,6- tris(1-methylethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)phenyl]-ω- [[[[2,6-bis(1-methylethyl)phenyl]amino]- methylene]amino]carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methylethyl)- benzene homopolymer with polyethylene, polyethylene terephthalate, or thermoplastic polyurethanes;Master batches of 3-(2H-benzotriazol-2-yl)-5- (tert-butyl)-4-hydroxybenzenepropanoic acid, C7-C9 branched or linear alkyl esters; andMaster batches of α-[3-[3-(2H-benzotriazol-2- yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropyl-ω-[3-[3-(2H-benzotriazol-2-yl)-5- (1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxo- propyl] poly(oxyethylene)Free-
Section 301
3812.39.60.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3812.39.70.00Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacateFree-
Section 301
3812.39.90.00Other5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3813.00Preparations and charges for fire extinguishers; charged fire-extinguishing grenades:Free-
Section 301
3813.00.10.00Consisting wholly of inorganic substancesFree-
Section 301
3813.00.50.00Other3.7%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3814.00Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varnish removers:Free-
Section 301
3814.00.10.00Containing 5 percent or more but not more than 25 percent by weight of one or more aromatic or modified aromatic substances6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3814.00.20.00Containing more than 25 percent by weight of one or more aromatic or modified aromatic substances6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3814.00.50Other6%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3814.00.50.10Containing methyl chloroform (1,1,1-trichloro- ethane) or carbon tetrachlorideFree-
Section 301
3814.00.50.90OtherFree-
Section 301
3815Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included:Free-
Section 301
3815.11.00.00With nickel or nickel compounds as the active substanceFree-
Section 301
3815.12.00.00With precious metal or precious metal compounds as the active substanceFree-
Section 301
3815.19.00.00OtherFree-
Section 301
3815.90Other:Free-
Section 301
3815.90.10.00Of bismuth, of tungsten or of vanadium6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3815.90.20.00Of mercury or of molybdenum2.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3815.90.30.00OtherFree-
Section 301
3815.90.50.00Other5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3816Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:Free-
Section 301
3816.00.10.00Dolomite ramming mixFree-
Section 301
3816.00.20Other3%Free (A, AU, BH, CL, CO,D,E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Section 301
3816.00.20.10ClayFree-
Section 301
3816.00.20.50OtherFree-
Section 301
3817Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902:Free-
Section 301
3817.00.10.00Mixed linear alkylbenzenes6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3817.00.15.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3817.00.20.00Mixed alkylnaphthalenes6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3818.00.00Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronicsFree-
Section 301
3818.00.00.10Gallium arsenide wafers, dopedFree-
Section 301
3818.00.00.20Polycrystalline silicon wafers, dopedFree-
Section 301
3818.00.00.30Silicon carbide wafers, dopedFree-
Section 301
3818.00.00.95OtherFree-
Section 301
3819.00.00Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70 percent by weight of petroleum oils or oils obtained from bituminous minerals6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3819.00.00.10Hydraulic brake fluidsFree-
Section 301
3819.00.00.90OtherFree-
Section 301
3820.00.00.00Antifreezing preparations and prepared deicing fluids6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3821.00.00Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells5%Free (A+,AU,BH,CL,CO,D,E, IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3821.00.00.10Viral transport mediaFree-
Section 301
3821.00.00.90OtherFree-
Section 301
3822Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials:Free-
Section 301
3822.11.00.00For malariaFree-
Section 301
3822.12.00.00For Zika and other diseases transmitted by mosquitoes of the genus AedesFree-
Section 301
3822.13.00.00For blood-grouping Free-
Section 301
3822.19.00OtherFree-
Section 301
3822.19.00.10Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride Free-
Section 301
3822.19.00.30OtherFree-
Section 301
3822.19.00.40Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachlorideFree-
Section 301
3822.19.00.80OtherFree-
Section 301
3822.90.00.00Certified reference materialsFree-
Section 301
3823Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols:Free-
Section 301
3823.11.00.00Stearic acid2.1¢/kg + 3.8%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3823.12.00.00Oleic acid2.1¢/kg + 3.2%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3823.13.00Tall oil fatty acids3.2%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3823.13.00.20Containing less than two percent rosinFree-
Section 301
3823.13.00.40OtherFree-
Section 301
3823.19Other:Free-
Section 301
3823.19.20.00Derived from coconut, palm-kernel or palm oil2.3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3823.19.40.00Other3.2%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3823.70Industrial fatty alcohols:Free-
Section 301
3823.70.20.00Oleyl5.1%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3823.70.40.00Other2%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3823.70.60.00Other2.4%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included:Free-
Section 301
3824.10.00.00Prepared binders for foundry molds or cores6%Free (A+,AU,BH,CL,CO,D,E, IL,JO, KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.30.00.00Nonagglomerated metal carbides mixed together or with metallic binders3.6%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.40Prepared additives for cements, mortars or concretes:Free-
Section 301
3824.40.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.40.20.00Consisting wholly of inorganic substancesFree-
Section 301
3824.40.50.00Other5%Free (A+,AU,BH,CL,CO,D,E, IL,JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.50.00Nonrefractory mortars and concretesFree-
Section 301
3824.50.00.10WetFree-
Section 301
3824.50.00.50OtherFree-
Section 301
3824.60.00.00Sorbitol other than that of subheading 2905.444.9%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.81.00.00Containing oxirane (ethylene oxide)5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.82Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated biphenyls (PBBs):Free-
Section 301
3824.82.10.00Chlorinated but not otherwise halogenated6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.82.90.00Other3.7%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.83.00.00Containing tris(2,3-dibromopropyl) phospate5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.84.00.00Containing aldrin (ISO), camphechlor (ISO) (toxaphene), chlordane (ISO), chlordecone (ISO), DDT (ISO) (clofenatone (INN)), 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane), dieldrin (ISO INN), endosulfan (ISO), endrin (ISO), heptachlor (ISO) or mirex (ISO)6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.85.00.00Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN)6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.86.00.00Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO)6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.87.00.00Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride3.7%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.88.00.00Containing tetra-, penta-, hexa-, hepta-, or octabromodiphenyl ethers6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.89.00.00Containing short-chain chlorinated paraffins6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.91.00.00Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.92.00.00Polyglycol esters of methylphosphonic acid.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,JP,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99Other:Free-
Section 301
3824.99.11.00In the form of ingotsFree-
Section 301
3824.99.19.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other sourceFree-
Section 301
3824.99.25.00Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.26.00Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamideFree-
Section 301
3824.99.29.00Other6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.31.00Of bismuth6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.32.00Of hydrosulfite compounds, of sulfoxylate compounds, or of both6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.33.00Of mercury4.2%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.34.00Of molybdenum2.8%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.35.00Of tungsten6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.99.36.00Of vanadium6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.39OtherFree-
Section 301
3824.99.39.10Of lithium nickel cobalt manganese oxidesFree-
Section 301
3824.99.39.90OtherFree-
Section 301
3824.99.41Fatty substances of animal or vegetable origin and mixtures thereof4.6%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.41.40Mixtures of fatty acid estersFree-
Section 301
3824.99.41.90OtherFree-
Section 301
3824.99.49.00Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, shale oil or natural gas6.5%Free (A+,AU,BH,CL,CO,D,E, IL,JO, K,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.99.50.00Chlorinated but not otherwise halogenated6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.55.00Other3.7%Free (A+,AU,BH,CL,CO,D, E,IL, JO,K,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3824.99.70.00Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical and electroless plating solutions and other materials for printed circuit boards, plastics and metal finishingsFree-
Section 301
3824.99.75Naphthenic acids, their water-insoluble salts and their esters3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.75.10Naphthenic acidsFree-
Section 301
3824.99.75.50OtherFree-
Section 301
3824.99.93Other5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,JP,K,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3824.99.93.10Containing C11 or lower alcohols onlyFree-
Section 301
3824.99.93.20Containing C12 or higher alcohols onlyFree-
Section 301
3824.99.93.30OtherFree-
Section 301
3824.99.93.61Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atomsFree-
Section 301
3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagentFree-
Section 301
3824.99.93.97OtherFree-
Section 301
3825Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter:Free-
Section 301
3825.10.01.00Municipal wasteFree-
Section 301
3825.20.00.00Sewage sludgeFree-
Section 301
3825.30.00.00Clinical wasteFree-
Section 301
3825.41.00.00HalogenatedFree-
Section 301
3825.49.00.00OtherFree-
Section 301
3825.50.00.00Wastes of metal-pickling liquors, hydraulic fluids, brake fluids and anti-freeze fluidsFree-
Section 301
3825.61.00.00Mainly containing organic constituentsFree-
Section 301
3825.69.00.00OtherFree-
Section 301
3825.90.01.00OtherFree-
Section 301
3826.00Biodiesel and mixtures thereof, not containing or containing less than 70 percent by weight of petroleum oils or oils obtained from bituminous materials:Free-
Section 301
3826.00.10.00Biodiesel not containing petroleum oils or oils obtained from bituminous materials (B100)4.6%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Section 301
3826.00.30.00Other6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO, K,KR,MA,OM,P, PA,PE,S,SG)
Section 301
3827Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included:Free
Section 301
3827.11.00.00Containing chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.12.00.00Containing hydrobromofluorocarbons (HBFCs)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.13.00.00Containing carbon tetrachloride6.5%Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P,PA, PE, S, SG)
Section 301
3827.14.00.00Containing 1,1,1-trichloroethane (methyl chloroform)6.5%Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P,PA, PE, S, SG)
Section 301
3827.20.00.00Containing bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301) or dibromotetrafluoroethanes (Halon-2402)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.31.00.00Containing substances of subheadings 2903.41 to 2903.483.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.32.00.00Other, containing substances of subheadings 2903.71 to 2903.753.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.39.00.00Other3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.40.00.00Containing methyl bromide (bromomethane) or bromochloromethane3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA,OM, P, PA, PE, S, SG)
Section 301
3827.51.00.00Containing trifluoromethane (HFC-23)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.59.00.00Other3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.61.00.00Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.62.00.00Other, not included in the subheading above, containing 55 percent or more by mass of pentafluoroethane (HFC- 125) but not containing unsaturated fluorinated derivatives of acyclic hydrocarbons (HFOs)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.63.00.00Other, not included in the subheadings above, containing 40 percent or more by mass of pentafluoroethane (HFC-125)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.64.00.00Other, not included in the subheadings above, containing 30 percent or more by mass of 1,1,1,2-tetrafluoroethane (HFC-134a) but not containing unsaturated fluorinated derivatives of acyclic hydrocarbons (HFOs)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.65.00.00Other, not included in the subheadings above, containing 20 percent or more by mass of difluoromethane (HFC-32) and 20 percent or more by mass of pentafluoroethane (HFC-125)3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.68.00.00Other, not included in the subheadings above, containing substances of subheadings 2903.41 to 2903.483.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.69.00.00Other3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301
3827.90Other:Free
Section 301
3827.90.10.00Chlorinated but not otherwise halogenated6.5%Free (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P,PA, PE, S, SG)
Section 301
3827.90.90.00Other3.7%Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM,P, PA, PE, S, SG)
Section 301

Need a product-level review with tariff logic and country-specific duties?

Go to Tariff Search

Last verified and sources

Last verified: June 2, 2026

Rates and trade context on this page are checked against official tariff, customs, trade-policy, and import-data sources. Use the calculator for an item-specific duty stack before making entry, quote, or purchase decisions.

Browse by Trading Partner

Frequently Asked Questions