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HomeUN NumbersClass 3 — Flammable Liquid

Hazard Class 3

Class 3 — Flammable Liquid

404 UN Numbers

A flammable liquid (Class 3) is a liquid having a flash point of not more than 60°C (140°F), or any material in a liquid phase with a flash point at or above 37.8°C (100°F) that is intentionally heated and offered for transportation at or above its flash point in a bulk packaging.

Source: 49 CFR 173.120 (eCFR).

UN NumberProper Shipping NamePacking Group
UN1088AcetalII
UN1089AcetaldehydeI
UN1090AcetoneII
UN1091Acetone oilsII
UN1093Acrylonitrile, stabilizedI
UN1099Allyl bromideI
UN1100Allyl chlorideI
UN1104Amyl acetatesIII
UN1105PentanolsII, III
UN1106AmylaminesII, III
UN1107Amyl chlorideII
UN11081-Pentene (n-amylene)I
UN1109Amyl formatesIII
UN1110n-Amyl methyl ketoneIII
UN1111Amyl mercaptanII
UN1112Amyl nitrateIII
UN1113Amyl nitriteII
UN1114BenzeneII
UN1120ButanolsII, III
UN1123Butyl acetatesII, III
UN1125n-ButylamineII
UN11261-BromobutaneII
UN1127ChlorobutanesII
UN1128n-Butyl formateII
UN1129ButyraldehydeII
UN1130Camphor oilIII
UN1131Carbon disulfideI
UN1133Adhesives, containing a flammable liquidI, II, III
UN1134ChlorobenzeneIII
UN1136Coal tar distillates, flammableII, III
UN1139Coating solution (includes surface treatments or coatings used for industrial or other purposes such as vehicle undercoating, drum or barrel lining)I, II, III
UN1144CrotonyleneI
UN1145CyclohexaneII
UN1146CyclopentaneII
UN1147DecahydronaphthaleneIII
UN1148Diacetone alcoholII, III
UN1149Dibutyl ethersIII
UN11501,2-DichloroethyleneII
UN1152DichloropentanesIII
UN1153Ethylene glycol diethyl etherII, III
UN1154DiethylamineII
UN1155Diethyl ether or Ethyl etherI
UN1156Diethyl ketoneII
UN1157Diisobutyl ketoneIII
UN1158DiisopropylamineII
UN1159Diisopropyl etherII
UN1160Dimethylamine solutionII
UN1161Dimethyl carbonateII
UN1162DimethyldichlorosilaneII
UN1164Dimethyl sulfideII
UN1165DioxaneII
UN1166DioxolaneII
UN1167Divinyl ether, stabilizedI
UN1170Ethanol or Ethyl alcohol or Ethanol solutions or Ethyl alcohol solutionsII, III
UN1171Ethylene glycol monoethyl etherIII
UN1172Ethylene glycol monoethyl ether acetateIII
UN1173Ethyl acetateII
UN1175EthylbenzeneII
UN1176Ethyl borateII
UN11772-Ethylbutyl acetateIII
UN11782-EthylbutyraldehydeII
UN1179Ethyl butyl etherII
UN1180Ethyl butyrateIII
UN1184Ethylene dichlorideII
UN1188Ethylene glycol monomethyl etherIII
UN1189Ethylene glycol monomethyl ether acetateIII
UN1190Ethyl formateII
UN1191Octyl aldehydesIII
UN1192Ethyl lactateIII
UN1193Ethyl methyl ketone or Methyl ethyl ketoneII
UN1194Ethyl nitrite solutionsI
UN1195Ethyl propionateII
UN1196EthyltrichlorosilaneII
UN1197Extracts, liquid, for flavor or aromaII, III
UN1198Formaldehyde solutions, flammableIII
UN1201Fusel oilII, III
UN1202Diesel fuelIII
UN1203Gasoline includes gasoline mixed with ethyl alcohol, with not more than 10% alcoholII
UN1204Nitroglycerin solution in alcohol with not more than 1 percent nitroglycerinII
UN1206HeptanesII
UN1207HexaldehydeIII
UN1208HexanesII
UN1210Printing ink, flammable or Printing ink related material (including printing ink thinning or reducing compound), flammableI, II, III
UN1212Isobutanol or Isobutyl alcoholIII
UN1213Isobutyl acetateII
UN1214IsobutylamineII
UN1216IsooctenesII
UN1218Isoprene, stabilizedI
UN1219Isopropanol or Isopropyl alcoholII
UN1220Isopropyl acetateII
UN1221IsopropylamineI
UN1222Isopropyl nitrateII
UN1223KeroseneIII
UN1224Ketones, liquid, n.o.s.I, II, III
UN1228Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s.II, III
UN1229Mesityl oxideIII
UN1230MethanolII
UN1231Methyl acetateII
UN1233Methylamyl acetateIII
UN1234MethylalII
UN1235Methylamine, aqueous solutionII
UN1237Methyl butyrateII
UN1243Methyl formateI
UN1245Methyl isobutyl ketoneII
UN1246Methyl isopropenyl ketone, stabilizedII
UN1247Methyl methacrylate monomer, stabilizedII
UN1248Methyl propionateII
UN1249Methyl propyl ketoneII
UN1250MethyltrichlorosilaneII
UN1261NitromethaneII
UN1262OctanesII
UN1263Paint (including paint, lacquer, enamel, stain, shellac solutions, varnish, polish, liquid filler and liquid lacquer base)I, II, III
UN1264ParaldehydeIII
UN1265PentanesI, II
UN1266Perfumery products with flammable solventsII, III
UN1267Petroleum crude oilI, II, III
UN1268Petroleum distillates, n.o.s. or Petroleum products, n.o.s.I, II, III
UN1272Pine oilIII
UN1274n-Propanol or Propyl alcohol, normalII, III
UN1275PropionaldehydeII
UN1276n-Propyl acetateII
UN1277PropylamineII
UN12781-ChloropropaneII
UN12791,2-DichloropropaneII
UN1280Propylene oxideI
UN1281Propyl formatesII
UN1282PyridineII
UN1286Rosin oilII, III
UN1287Rubber solutionII, III
UN1288Shale oilI, II, III
UN1289Sodium methylate solutions in alcoholII, III
UN1292Tetraethyl silicateIII
UN1293Tinctures, medicinalII, III
UN1294TolueneII
UN1296TriethylamineII
UN1297Trimethylamine, aqueous solutions with not more than 50 percent trimethylamine by massI, II, III
UN1298TrimethylchlorosilaneII
UN1299TurpentineIII
UN1300Turpentine substituteI, II, III
UN1301Vinyl acetate, stabilizedII
UN1302Vinyl ethyl ether, stabilizedI
UN1303Vinylidene chloride, stabilizedI
UN1304Vinyl isobutyl ether, stabilizedII
UN1305VinyltrichlorosilaneII
UN1306Wood preservatives, liquidII, III
UN1307XylenesII, III
UN1308Zirconium suspended in a liquidI, II, III
UN1648AcetonitrileII
UN1717Acetyl chlorideII
UN1723Allyl iodideII
UN1815Propionyl chlorideII
UN1862Ethyl crotonateII
UN1863Fuel, aviation, turbine engineI, II, III
UN1865n-Propyl nitrateII
UN1866Resin Solution, flammableI, II, III
UN1891Ethyl bromideII
UN1914Butyl propionatesIII
UN1915CyclohexanoneIII
UN1917Ethyl acrylate, stabilizedII
UN1918IsopropylbenzeneIII
UN1919Methyl acrylate, stabilizedII
UN1920NonanesIII
UN1921Propyleneimine, stabilizedI
UN1922PyrrolidineII
UN1986Alcohols, flammable, toxic n.o.sI, II, III
UN1987Alcohols, n.o.s.I, II, III
UN1988Aldehydes, flammable, toxic, n.o.s.I, II, III
UN1989Aldehydes, n.o.s.I, II, III
UN1991Chloroprene, stabilizedI
UN1992Flammable liquids, toxic, n.o.s.I, II, III
UN1993Flammable liquids, n.o.s.I, II, III
UN1999Tars, liquid including road oils and cutback bitumensII, III
UN2045Isobutyraldehyde or Isobutyl aldehydeII
UN2046CymenesIII
UN2047DichloropropenesII, III
UN2048DicyclopentadieneIII
UN2049DiethylbenzeneIII
UN2050Diisobutylene, isomeric compoundsII
UN2052DipenteneIII
UN2053Methyl isobutyl carbinolIII
UN2055Styrene monomer, stabilizedIII
UN2056TetrahydrofuranII
UN2057TripropyleneII, III
UN2058ValeraldehydeII
UN2059Nitrocellulose, solution, flammable with not more than 12.6 percent nitrogen, by mass, and not more than 55 percent nitrocelluloseI, II, III
UN2219Allyl glycidyl etherIII
UN2222AnisoleIII
UN2227n-Butyl methacrylate, stabilizedIII
UN2234ChlorobenzotrifluoridesIII
UN2238ChlorotoluenesIII
UN2241CycloheptaneII
UN2242CyclohepteneII
UN2243Cyclohexyl acetateIII
UN2244CyclopentanolIII
UN2245CyclopentanoneIII
UN2246CyclopenteneII
UN2247n-DecaneIII
UN2251Bicyclo [2,2,1] hepta-2,5-diene, stabilized or 2,5-Norbornadiene, stabilizedII
UN22521,2-DimethoxyethaneII
UN2256CyclohexeneII
UN2260TripropylamineIII
UN2263DimethylcyclohexanesII
UN2265N,N-DimethylformamideIII
UN2266Dimethyl-N-propylamineII
UN2270Ethylamine, aqueous solution with not less than 50 percent but not more than 70 percent ethylamineII
UN2271Ethyl amyl ketoneIII
UN22752-EthylbutanolIII
UN22762-EthylhexylamineIII
UN2277Ethyl methacrylate, stabilizedII
UN2278n-HepteneII
UN2282HexanolsIII
UN2283Isobutyl methacrylate, stabilizedIII
UN2284IsobutyronitrileII
UN2286PentamethylheptaneIII
UN2287IsoheptenesII
UN2288IsohexenesII
UN22934-Methoxy-4-methylpentan-2-oneIII
UN2296MethylcyclohexaneII
UN2297MethylcyclohexanoneIII
UN2298MethylcyclopentaneII
UN23012-MethylfuranII
UN23025-Methylhexan-2-oneIII
UN2303IsopropenylbenzeneIII
UN2309OctadieneII
UN2310Pentane-2,4-dioneIII
UN2313PicolinesIII
UN2319Terpene hydrocarbons, n.o.s.III
UN2323Triethyl phosphiteIII
UN2324TriisobutyleneIII
UN23251,3,5-TrimethylbenzeneIII
UN2329Trimethyl phosphiteIII
UN2330UndecaneIII
UN2332Acetaldehyde oximeIII
UN2333Allyl acetateII
UN2335Allyl ethyl etherII
UN2336Allyl formateI
UN2338BenzotrifluorideII
UN23392-BromobutaneII
UN23402-Bromoethyl ethyl etherII
UN23411-Bromo-3-methylbutaneIII
UN2342BromomethylpropanesII
UN23432-BromopentaneII
UN2344BromopropanesII, III
UN23453-BromopropyneII
UN2346ButanedioneII
UN2347Butyl mercaptanII
UN2348Butyl acrylates, stabilizedIII
UN2350Butyl methyl etherII
UN2351Butyl nitritesI, II, III
UN2352Butyl vinyl ether, stabilizedII
UN2353Butyryl chlorideII
UN2354Chloromethyl ethyl etherII
UN23562-ChloropropaneI
UN2358CyclooctatetraeneII
UN2359DiallylamineII
UN2360DiallyletherII
UN2361DiisobutylamineIII
UN23621,1-DichloroethaneII
UN2363Ethyl mercaptanI
UN2364n-Propyl benzeneIII
UN2366Diethyl carbonateIII
UN2367alpha-MethylvaleraldehydeII
UN2368alpha-PineneIII
UN23701-HexeneII
UN2371IsopentenesI
UN23721,2-Di-(dimethylamino)ethaneII
UN2373DiethoxymethaneII
UN23743,3-DiethoxypropeneII
UN2375Diethyl sulfideII
UN23762,3-DihydropyranII
UN23771,1-DimethoxyethaneII
UN23782-DimethylaminoacetonitrileII
UN23791, 3-DimethylbutylamineII
UN2380DimethyldiethoxysilaneII
UN2381Dimethyl disulfideII
UN2383DipropylamineII
UN2384Di-n-propyl etherII
UN2385Ethyl isobutyrateII
UN23861-EthylpiperidineII
UN2387FluorobenzeneII
UN2388FluorotoluenesII
UN2389FuranI
UN23902-IodobutaneII
UN2391IodomethylpropanesII
UN2392IodopropanesIII
UN2393Isobutyl formateII
UN2394Isobutyl propionateIII
UN2395Isobutyryl chlorideII
UN2396Methacrylaldehyde, stabilizedII
UN23973-Methylbutan-2-oneII
UN2398Methyl tert-butyl etherII
UN23991-MethylpiperidineII
UN2400Methyl isovalerateII
UN2402PropanethiolsII
UN2403Isopropenyl acetateII
UN2404PropionitrileII
UN2405Isopropyl butyrateIII
UN2406Isopropyl isobutyrateII
UN2409Isopropyl propionateII
UN24101,2,3,6-TetrahydropyridineII
UN2411ButyronitrileII
UN2412TetrahydrothiopheneII
UN2413TetrapropylorthotitanateIII
UN2414ThiopheneII
UN2416Trimethyl borateII
UN2436Thioacetic acidII
UN24562-ChloropropeneI
UN24572,3-DimethylbutaneII
UN2458HexadienesII
UN24592-Methyl-1-buteneI
UN24602-Methyl-2-buteneII
UN2461MethylpentadienesII
UN2478Isocyanates, flammable, toxic, n.o.s. or Isocyanate solutions, flammable, toxic, n.o.s. flash point less than 23 degrees CII, III
UN2493HexamethyleneimineII
UN24981,2,3,6-TetrahydrobenzaldehydeIII
UN2514BromobenzeneIII
UN2520CyclooctadienesIII
UN2524Ethyl orthoformateIII
UN2526FurfurylamineIII
UN2527Isobutyl acrylate, stabilizedIII
UN2528Isobutyl isobutyrateIII
UN2529Isobutyric acidIII
UN25354-Methylmorpholine or n-methylmorpholineII
UN2536MethyltetrahydrofuranII
UN2541TerpinoleneIII
UN2554Methyl allyl chlorideII
UN25602-Methylpentan-2-olIII
UN25613-Methyl-1-buteneI
UN2603CycloheptatrieneII
UN2607Acrolein dimer, stabilizedIII
UN2608NitropropanesIII
UN2610TriallylamineIII
UN2612Methyl propyl etherII
UN2614Methallyl alcoholIII
UN2615Ethyl propyl etherII
UN2616Triisopropyl borateII, III
UN2617Methylcyclohexanols, flammableIII
UN2618Vinyltoluenes, stabilizedIII
UN2620Amyl butyratesIII
UN2621Acetyl methyl carbinolIII
UN2622GlycidaldehydeII
UN26843-Diethyamino-propylamineIII
UN2707DimethyldioxanesII, III
UN2709Butyl benzenesIII
UN2710Dipropyl ketoneIII
UN2733Amine, flammable, corrosive, n.o.s. or Polyamines, flammable, corrosive, n.o.sI, II, III
UN2749TetramethylsilaneI
UN27521,2-Epoxy-3-ethoxypropaneIII
UN2758Carbamate pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2760Arsenical pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2762Organochlorine pesticides liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2764Triazine pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2772Thiocarbamate pesticide, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2776Copper based pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2778Mercury based pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2780Substituted nitrophenol pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2782Bipyridilium pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2784Organophosphorus pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2787Organotin pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN2838Vinyl butyrate, stabilizedII
UN2840ButyraldoximeIII
UN2841Di-n-amylamineIII
UN2842NitroethaneIII
UN2850Propylene tetramerIII
UN2924Flammable liquids, corrosive, n.o.s.I, II, III
UN2933Methyl 2-chloropropionateIII
UN2934Isopropyl 2-chloropropionateIII
UN2935Ethyl 2-chloropropionateIII
UN2943TetrahydrofurfurylamineIII
UN2945N-MethylbutylamineII
UN2947Isopropyl chloroacetateIII
UN2983Ethylene oxide and propylene oxide mixtures , with not more than 30 percent ethylene oxideI
UN2985Chlorosilanes, flammable, corrosive, n.o.sII
UN3021Pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN30221,2-Butylene oxide, stabilizedII
UN3024Coumarin derivative pesticides, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN3054Cyclohexyl mercaptanIII
UN3056n-HeptaldehydeIII
UN3064Nitroglycerin, solution in alcohol, with more than 1 percent but not more than 5 percent nitroglycerinII
UN3065Alcoholic beveragesII, III
UN30921-Methoxy-2-propanolIII
UN3165Aircraft hydraulic power unit fuel tank (containing a mixture of anhydrous hydrazine and monomethyl hydrazine) (M86 fuel)I
UN3248Medicine, liquid, flammable, toxic, n.o.sII, III
UN3256Elevated temperature liquid, flammable, n.o.s., with flash point above 37.8 C, at or above its flash pointIII
UN3269Polyester resin kit, liquid base material—
UN3271Ethers, n.o.s.II, III
UN3272Esters, n.o.s.II, III
UN3273Nitriles, flammable, toxic, n.o.s.I, II
UN3274Alcoholates solution, n.o.s., in alcoholII
UN3286Flammable liquid, toxic, corrosive, n.o.s.I, II
UN3295Hydrocarbons, liquid, n.o.s.I, II, III
UN3336Mercaptans, liquid, flammable, n.o.s. or Mercaptan mixture, liquid, flammable, n.o.sI, II, III
UN3343Nitroglycerin mixture, desensitized, liquid, flammable, n.o.s. with not more than 30 percent nitroglycerin, by mass—
UN3346Phenoxyacetic acid derivative pesticide, liquid, flammable, toxic flash point less than 23 degrees CI, II
UN3350Pyrethroid pesticide, liquid, flammable, toxic, flash point less than 23 degrees CI, II
UN3357Nitroglycerin mixture, desensitized, liquid, n.o.s. with not more than 30% nitroglycerin, by massII
UN33712-MethylbutanalII
UN3379Desensitized explosive, liquid, n.o.s.I
UN3469Paint, flammable, corrosive, (including paint , lacquer, enamel, stain, shellac, varnish, polish, liquid filler and liquid lacquer base)I, II, III
UN3473Fuel cell cartridges or Fuel cell cartridges contained in equipment or Fuel cell cartridges packed with equipment, containing flammable liquids—
UN3475Ethanol and gasoline mixture or Ethanol and motor spirit mixture or Ethanol and petrol mixture, with more than 10% ethanolII
UN3494Petroleum sour crude oil, flammable, toxicI, II, III
UN3528Engine, internal combustion, flammable liquid powered or Engine, fuel cell, flammable liquid powered or Machinery, internal combustion, flammable liquid powered or Machinery, fuel cell, flammable liquid powered—
UN3540Articles containing flammable liquid, n.o.s.—

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