103 of the most traded industrial chemicals
Chemicals by CAS number
Each page has the identifiers, the hazard class, the chemical registers and the US and Australian rules from the official lists. The regulator's portal stays the source for any shipping decision.
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CAS 64-19-7
Acetic acid
C2H4O2 · HS 291521
Vinyl acetate monomer (PTA upstream), Textile printing, Food preservative (vinegar)
UN2789 · Class 8 Reportable quantity -
CAS 67-64-1
Acetone
C3H6O · HS 291411
Solvent (paint, coatings, nail polish remover), Methyl methacrylate (MMA) feedstock, Bisphenol A intermediate
UN1090 · Class 3 Reportable quantity -
CAS 75-05-8
Acetonitrile
C2H3N · HS 292690
HPLC mobile phase, Pharmaceutical synthesis (extraction, recrystallisation), Lithium-ion battery electrolyte
UN1648 · Class 3 Reportable quantity -
CAS 79-10-7
Acrylic acid
C3H4O2 · HS 291611
Superabsorbent polymers, Acrylic esters, Water treatment polymers
UN2218 · Class 8 Reportable quantity -
CAS 124-04-9
Adipic acid
C6H10O4 · HS 291712
Nylon 6,6, Polyurethanes, Plasticizers
Reportable quantity -
CAS 10043-01-3
Aluminum sulfate
Al2(SO4)3 · HS 283322
Drinking and wastewater treatment, Paper sizing, Textile mordant
Reportable quantity -
CAS 1066-33-7
Ammonium bicarbonate
NH4HCO3 · HS 283699
Baking leavening agent, Fertilizer, Rubber and plastics blowing agent
Reportable quantity -
CAS 12125-02-9
Ammonium chloride
NH4Cl · HS 282710
Fertilizer, Galvanizing and soldering flux, Batteries
Reportable quantity -
CAS 1336-21-6
Ammonium hydroxide
NH4OH · HS 282814
Cleaning chemicals, Fertiliser intermediate, Photographic processing
UN2672 · Class 8 Reportable quantity -
CAS 7783-20-2
Ammonium sulfate
(NH4)2SO4 · HS 310221
Nitrogen-sulfur fertiliser, Resin synthesis, Animal feed additive (low-grade)
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CAS 50-81-7
Ascorbic acid
C6H8O6 · HS 293627
Food antioxidant, Dietary supplements, Pharmaceuticals
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CAS 71-43-2
Benzene
C6H6 · HS 290220
Styrene production (via ethylbenzene), Cumene (phenol/acetone upstream), Cyclohexane (nylon upstream)
UN1114 · Class 3 Prop 65 Reportable quantity -
CAS 80-05-7
Bisphenol A
C15H16O2 · HS 290723
Polycarbonate, Epoxy resins, Flame retardants
Prop 65 -
CAS 10043-35-3
Boric acid
H3BO3 · HS 281000
Glass fiber and borosilicate glass, Flame retardants, Ceramics and enamels
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CAS 123-86-4
Butyl acetate
C6H12O2 · HS 291533
Automotive and industrial coatings, Printing inks, Adhesives
UN1123 · Class 3 Reportable quantity -
CAS 471-34-1
Calcium carbonate
CaCO3 · HS 283650
Plastics filler, Paper coating, Paint extender
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CAS 10043-52-4
Calcium chloride
CaCl2 · HS 282720
De-icing and dust control, Oil well drilling fluids, Food firming agent
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CAS 1305-62-0
Calcium hydroxide
Ca(OH)2 · HS 282520
Construction (mortar, plaster), Wastewater treatment, Sugar refining
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CAS 7778-54-3
Calcium hypochlorite
Ca(ClO)2 · HS 282810
Swimming pool chlorination, Drinking water disinfection, Sanitation
UN2880 · Class 5.1 Reportable quantity -
CAS 1305-78-8
Calcium oxide
CaO · HS 282510
Steel production (slag former), Construction (mortar, cement), Sugar refining
UN1910 · Class -
CAS 105-60-2
Caprolactam
C6H11NO · HS 293371
Nylon 6 fiber, Nylon 6 engineering plastics, Films
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CAS 124-38-9
Carbon dioxide
CO2 · HS 281121
Beverage carbonation, Food freezing (dry ice), Welding shield gas
UN1013 · Class 2.2 -
CAS 7782-50-5
Chlorine
Cl2 · HS 280110
Chlor-alkali (HCl, NaOH co-products), Water disinfection, PVC manufacture (via VCM)
UN1017 · Class 2.3 Reportable quantity -
CAS 77-92-9
Citric acid
C6H8O7 · HS 291814
Beverages (acidulant), Confectionery, Detergent builder
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CAS 7440-50-8
Copper
Cu · HS 740311
Electrical wiring, Plumbing tubes, Brass and bronze alloys
Reportable quantity -
CAS 7758-99-8
Copper sulfate pentahydrate
CuSO4·5H2O · HS 283325
Fungicides (Bordeaux mixture), Animal feed trace mineral, Electroplating
UN3077 · Class 9 -
CAS 108-94-1
Cyclohexanone
C6H10O · HS 291422
Caprolactam and adipic acid, Coatings and inks solvent, PVC adhesives
UN1915 · Class 3 Reportable quantity -
CAS 84-74-2
Dibutyl phthalate
C16H22O4 · HS 291732
PVC plasticiser (legacy), Adhesives and sealants (legacy), Printing inks (declining)
Prop 65 Reportable quantity -
CAS 75-09-2
Dichloromethane
CH2Cl2 · HS 290312
Paint stripping (industrial), Pharmaceutical extraction, Polyurethane foam blowing (legacy)
UN1593 · Class 6.1 Prop 65 Reportable quantity -
CAS 111-46-6
Diethylene glycol
C4H10O3 · HS 290941
Polyester resins, Plasticizers, Natural gas dehydration
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CAS 6422-86-2
Dioctyl terephthalate
C24H38O4 · HS 291739
PVC cables and flooring, Toys and consumer goods, Automotive interiors
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CAS 106-89-8
Epichlorohydrin
C3H5ClO · HS 291030
Epoxy resins, Water treatment polymers, Paper wet strength resins
UN2023 · Class 6.1 Prop 65 Reportable quantity -
CAS 64-17-5
Ethanol
C2H6O · HS 220710
Solvent (paints, inks, fragrances), Fuel (E10, E85), Hand sanitiser
UN1170 · Class 3 -
CAS 141-78-6
Ethyl acetate
C4H8O2 · HS 291531
Coatings and inks, Flexible packaging adhesives, Pharmaceutical extraction
UN1173 · Class 3 Reportable quantity -
CAS 7705-08-0
Ferric chloride
FeCl3 · HS 282739
Water and sewage treatment, Printed circuit board etching, Pigment manufacture
UN1773 · Class 8 Reportable quantity -
CAS 7782-63-0
Ferrous sulfate heptahydrate
FeSO4·7H2O · HS 283329
Water treatment, Animal feed and fertilizer, Cement chromium reduction
Reportable quantity -
CAS 50-00-0
Formaldehyde
CH2O · HS 291211
Urea-formaldehyde resin (particle board), Melamine-formaldehyde resin (laminate), Phenol-formaldehyde (plywood)
UN2209 · Class 8 Prop 65 Reportable quantity -
CAS 64-18-6
Formic acid
HCOOH · HS 291511
Leather tanning, Silage preservative, Textile dyeing
UN1779 · Class 8 Reportable quantity -
CAS 56-81-5
Glycerol
C3H8O3 · HS 290545
Pharmaceuticals and personal care, Food humectant, Alkyd resins
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CAS 56-40-6
Glycine
C2H5NO2 · HS 292249
Glyphosate production, Food flavor enhancer, Pharmaceuticals
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CAS 7647-01-0
Hydrochloric acid
HCl · HS 280610
pH adjustment, Steel pickling, Mining (ore leaching)
UN1789 · Class 8 Reportable quantity -
CAS 7722-84-1
Hydrogen peroxide
H2O2 · HS 284700
Pulp bleaching, Wastewater treatment, Disinfectant
UN2014 · Class 5.1 -
CAS 7783-06-4
Hydrogen sulfide
H2S · HS 281119
Sulfur recovery (refinery sour gas), Heavy water production, Sulfide mineral concentration
UN1053 · Class 2.3 Reportable quantity -
CAS 7553-56-2
Iodine
I2 · HS 280120
X-ray contrast media, Pharmaceutical synthesis, Animal feed (iodised salt)
UN3495 · Class 8 -
CAS 67-63-0
Isopropyl alcohol
C3H8O · HS 290512
Hand sanitiser and disinfectant, Solvent (cosmetics, electronics), Semiconductor cleaning
UN1219 · Class 3 -
CAS 1309-48-4
Magnesium oxide
MgO
Refractories, Animal feed, Rubber and plastics filler
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CAS 10034-99-8
Magnesium sulfate heptahydrate
MgSO4·7H2O · HS 283321
Fertilizer, Bath salts and cosmetics, Pharmaceuticals
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CAS 108-31-6
Maleic anhydride
C4H2O3 · HS 291714
Unsaturated polyester resins, 1,4-Butanediol production, Lubricant additives
UN2215 · Class 8 Reportable quantity -
CAS 1313-13-9
Manganese dioxide
MnO2 · HS 282010
Alkaline battery cathode, Lithium-ion battery cathode (some chemistries), Glass decolourising
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CAS 108-78-1
Melamine
C3H6N6 · HS 293361
Melamine formaldehyde resins, Laminates and tableware, Flame retardants
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CAS 67-56-1
Methanol
CH3OH · HS 290511
Methanol-to-olefins (MTO), Formaldehyde production, MTBE/biodiesel
UN1230 · Class 3 Prop 65 Reportable quantity -
CAS 78-93-3
Methyl ethyl ketone
C4H8O · HS 291412
Solvent (paints, coatings, adhesives), Vinyl coatings, Magnetic tape coating
UN1193 · Class 3 Reportable quantity -
CAS 107-21-1
Monoethylene glycol
C2H6O2 · HS 290531
Polyester (PET resin and fibre), Antifreeze and coolant, Polyester resin
Prop 65 Reportable quantity -
CAS 71-36-3
n-Butanol
C4H10O · HS 290513
Butyl acrylate and butyl acetate production, Coatings solvent, Plasticizers
UN1120 · Class 3 Reportable quantity -
CAS 110-54-3
n-Hexane
C6H14 · HS 290110
Vegetable oil extraction (soy, canola), Pharmaceutical synthesis, Polymerisation solvent
UN1208 · Class 3 Prop 65 Reportable quantity -
CAS 68-12-2
N,N-Dimethylformamide
C3H7NO · HS 292419
Polyurethane coatings and synthetic leather, Acrylic fiber spinning, Pharmaceutical solvent
UN2265 · Class 3 Prop 65 Reportable quantity -
CAS 7697-37-2
Nitric acid
HNO3 · HS 280800
Ammonium nitrate fertilizer, Adipic acid and nylon intermediates, Metal etching and pickling
UN2031 · Class 8 Reportable quantity -
CAS 7727-37-9
Nitrogen
N2 · HS 280430
Inert blanketing (chemical reactors, food packaging), Cryogenic freezing (liquid N2), Semiconductor manufacturing
UN1066 · Class 2.2 -
CAS 144-62-7
Oxalic acid
C2H2O4 · HS 291711
Rare earth and metal refining, Marble polishing and rust removal, Textile bleaching
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CAS 7782-44-7
Oxygen
O2 · HS 280440
Steel production (basic oxygen furnace), Medical oxygen, Welding and cutting
UN1072 · Class 2.2 -
CAS 108-95-2
Phenol
C6H6O · HS 290711
Bisphenol A and polycarbonate, Phenolic resins, Caprolactam and nylon
UN1671 · Class 6.1 Reportable quantity -
CAS 7664-38-2
Phosphoric acid
H3PO4 · HS 280920
Phosphate fertilizers, Food and beverage acidulant, Metal treatment and rust removal
UN1805 · Class 8 Reportable quantity -
CAS 7723-14-0
Phosphorus (red)
P · HS 280470
Match heads (safety match), Pyrotechnics, Flame retardant for plastics
UN1338 · Class 4.1 Reportable quantity -
CAS 1314-56-3
Phosphorus pentoxide
P2O5 · HS 280910
Drying agent (laboratory), Phosphate fertiliser intermediate, Optical glass
UN1807 · Class 8 -
CAS 85-44-9
Phthalic anhydride
C8H4O3 · HS 291735
Plasticizers, Alkyd resins, Unsaturated polyester resins
Reportable quantity -
CAS 584-08-7
Potassium carbonate
K2CO3 · HS 283640
Specialty glass and TV glass, Food additive, Potassium silicate production
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CAS 7447-40-7
Potassium chloride
KCl · HS 310420
Potash fertilizer, Food salt substitute, Oil well drilling fluids
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CAS 1310-58-3
Potassium hydroxide
KOH · HS 281520
Potassium soaps and detergents, Biodiesel (transesterification catalyst), Alkaline battery electrolyte
UN1813 · Class 8 Reportable quantity -
CAS 7681-11-0
Potassium iodide
KI · HS 282760
Thyroid medication (radiation protection), X-ray contrast media, Iodised salt fortification
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CAS 7722-64-7
Potassium permanganate
KMnO4 · HS 284161
Water treatment, Organic synthesis oxidant, Disinfection
UN1490 · Class 5.1 Reportable quantity -
CAS 7727-21-1
Potassium persulfate
K2S2O8 · HS 283340
Emulsion polymerisation initiator (PVC, PVA, latex), Hair-dye oxidiser, Etching of printed circuit boards
UN1492 · Class 5.1 -
CAS 24634-61-5
Potassium sorbate
C6H7KO2 · HS 291619
Food preservative, Beverages, Cosmetics
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CAS 57-55-6
Propylene glycol
C3H8O2 · HS 290532
Food and pharmaceutical carrier, Cosmetics, Unsaturated polyester resins
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CAS 532-32-1
Sodium benzoate
C7H5NaO2 · HS 291631
Food and beverage preservative, Pharmaceuticals, Cosmetics
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CAS 144-55-8
Sodium bicarbonate
NaHCO3 · HS 283630
Food (leavening, pH), Pharmaceutical antacid, Flue-gas desulfurisation
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CAS 7647-15-6
Sodium bromide
NaBr · HS 282710
Oil and gas drilling (completion fluid), Photography (legacy), Pharmaceutical sedatives (legacy)
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CAS 497-19-8
Sodium carbonate
Na2CO3 · HS 283620
Glass manufacture (largest single use), Detergent builder, Pulp and paper
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CAS 7775-09-9
Sodium chlorate
NaClO3 · HS 282911
Pulp bleaching (via ClO2 generation), Herbicide manufacture, Pyrotechnics
UN1495 · Class 5.1 -
CAS 7647-14-5
Sodium chloride
NaCl · HS 250100
Chlor-alkali (NaOH/Cl2 production), Food preservation, De-icing (road salt)
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CAS 2893-78-9
Sodium dichloroisocyanurate
C3Cl2N3NaO3 · HS 293369
Disinfectant tablets, Swimming pools, Water purification
UN2465 · Class 5.1 -
CAS 7681-49-4
Sodium fluoride
NaF · HS 282619
Toothpaste (anti-cavity), Water fluoridation, Pesticides
UN1690 · Class 6.1 Reportable quantity -
CAS 527-07-1
Sodium gluconate
C6H11NaO7 · HS 291816
Concrete set retarder, Metal surface cleaning, Textile and bottle washing
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CAS 1310-73-2
Sodium hydroxide
NaOH · HS 281511
Pulp and paper, Aluminum extraction (Bayer process), Soap and detergent
UN1823 · Class 8 Reportable quantity -
CAS 7681-52-9
Sodium hypochlorite
NaClO · HS 282890
Water disinfection, Industrial cleaning, Pulp bleaching
UN1791 · Class 8 Reportable quantity -
CAS 7681-57-4
Sodium metabisulfite
Na2S2O5 · HS 283210
Food and wine preservative, Water treatment dechlorination, Mining flotation
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CAS 7632-00-0
Sodium nitrite
NaNO2 · HS 283410
Meat curing (food grade), Dye manufacture, Corrosion inhibitor
UN1500 · Class 5.1 Reportable quantity -
CAS 7757-82-6
Sodium sulfate
Na2SO4 · HS 283311
Powder detergents, Glass manufacturing, Kraft pulping
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CAS 7758-29-4
Sodium tripolyphosphate
Na5P3O10 · HS 283531
Detergent builder, Seafood and meat moisture retention, Ceramic dispersant
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CAS 50-70-4
Sorbitol
C6H14O6 · HS 290544
Toothpaste and oral care, Sugar free confectionery, Pharmaceutical excipient
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CAS 57-11-4
Stearic acid
C18H36O2
Rubber processing, PVC stabilizers, Candles and cosmetics
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CAS 100-42-5
Styrene
C8H8 · HS 290250
Polystyrene (PS, EPS, GPPS, HIPS), ABS resin, Styrene-butadiene rubber (SBR)
UN2055 · Class 3 Prop 65 Reportable quantity -
CAS 7664-93-9
Sulfuric acid
H2SO4 · HS 280700
Phosphate fertiliser production, Lead-acid batteries, Mineral processing
UN1830 · Class 8 Reportable quantity -
CAS 109-99-9
Tetrahydrofuran
C4H8O · HS 293211
Spandex and PTMEG production, PVC adhesives and coatings, Pharmaceutical solvent
UN2056 · Class 3 Prop 65 Reportable quantity -
CAS 13463-67-7
Titanium dioxide
TiO2 · HS 320611
Architectural and industrial coatings, Plastics masterbatch, Paper coating
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CAS 108-88-3
Toluene
C7H8 · HS 290230
Toluene diisocyanate (TDI, polyurethanes), Solvent (paints, inks), Octane booster in gasoline
UN1294 · Class 3 Prop 65 Reportable quantity -
CAS 87-90-1
Trichloroisocyanuric acid
C3Cl3N3O3 · HS 293369
Swimming pool disinfection, Drinking water disinfection, Textile bleaching
UN2468 · Class 5.1 -
CAS 6132-04-3
Trisodium citrate dihydrate
C6H5Na3O7·2H2O · HS 291815
Food and beverage buffer, Detergent builder, Pharmaceuticals
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CAS 57-13-6
Urea
CH4N2O · HS 310210
Nitrogen fertiliser (largest use), AdBlue / DEF (diesel emission), Animal feed additive
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CAS 121-33-5
Vanillin
C8H8O3 · HS 291241
Food flavoring, Fragrances, Pharmaceutical intermediate
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CAS 1330-20-7
Xylene (mixed isomers)
C8H10 · HS 290244
Para-xylene → PTA → polyester, Solvent (paints, lacquers), Phthalic anhydride (via o-xylene)
UN1307 · Class 3 Reportable quantity -
CAS 7440-66-6
Zinc
Zn · HS 790111
Galvanising (steel coating), Die-cast alloys, Brass production
Reportable quantity -
CAS 1314-13-2
Zinc oxide
ZnO · HS 281700
Rubber compounding (vulcanisation activator), Cosmetics (sunscreen), Pharmaceutical (calamine lotion)
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CAS 7446-19-7
Zinc sulfate monohydrate
ZnSO4·H2O · HS 283329
Fertilizer micronutrient, Animal feed, Rayon manufacture
UN3077 · Class 9
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