List of UN numbers 2401 to 2500
UN numbers from UN2401 to UN2500 as assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods are as follows:
UN 2401 to UN 2500
| UN Number | Class | Proper Shipping Name |
| UN 2401 | 8 | Piperidine |
| UN 2402 | 3 | Propanethiols |
| UN 2403 | 3 | Isopropenyl acetate |
| UN 2404 | 3 | Propionitrile |
| UN 2405 | 3 | Isopropyl butyrate |
| UN 2406 | 3 | Isopropyl isobutyrate |
| UN 2407 | 6.1 | Isopropyl chloroformate |
| UN 2408 | ? | Isopropyl formate |
| UN 2409 | 3 | Isopropyl propionate |
| UN 2410 | 3 | 1,2,3,6-Tetrahydropyridine |
| UN 2411 | 3 | Butyronitrile |
| UN 2412 | 3 | Tetrahydrothiophene |
| UN 2413 | 3 | Tetrapropylorthotitanate |
| UN 2414 | 3 | Thiophene |
| UN 2415 | ? | |
| UN 2416 | 3 | Trimethyl borate |
| UN 2417 | 2 | Carbonyl fluoride, compressed |
| UN 2418 | 2 | Sulfur tetrafluoride |
| UN 2419 | 2 | Bromotrifluoroethylene |
| UN 2420 | 2 | Hexafluoroacetone |
| UN 2421 | 2 | Nitrogen trioxide |
| UN 2422 | 2 | Octafluorobut-2-ene or Refrigerant gas R 1318 |
| UN 2423 | - | |
| UN 2424 | 2 | Octafluoropropane or Refrigerant gas R 218 |
| UN 2425 | - | |
| UN 2426 | 5.1 | Ammonium nitrate, liquid |
| UN 2427 | 5.1 | Potassium chlorate, aqueous solution |
| UN 2428 | 5.1 | Sodium chlorate, aqueous solution |
| UN 2429 | 5.1 | Calcium chlorate aqueous solution |
| UN 2430 | 8 | Alkylphenols, solid, n.o.s. |
| UN 2431 | 6.1 | Anisidines |
| UN 2432 | 6.1 | N,N-Diethylaniline |
| UN 2433 | 6.1 | Chloronitrotoluenes liquid or Chloronitrotoluenes solid |
| UN 2434 | 8 | Dibenzyldichlorosilane |
| UN 2435 | 8 | Ethylphenyldichlorosilane |
| UN 2436 | 3 | Thioacetic acid |
| UN 2437 | 8 | Methylphenyldichlorosilane |
| UN 2438 | 6.1 | Trimethylacetyl chloride |
| UN 2439 | 8 | Sodium hydrogendifluoride, solid or Sodium hydrogendifluoride, solution |
| UN 2440 | 8 | Stannic chloride, pentahydrate |
| UN 2441 | 4.2 | Titanium trichloride, pyrophoric or Titanium trichloride mixtures, pyrophoric |
| UN 2442 | 8 | Trichloroacetyl chloride |
| UN 2443 | 8 | Vanadium oxytrichloride |
| UN 2444 | 8 | Vanadium tetrachloride |
| UN 2445 | 4.2 | Lithium alkyls |
| UN 2446 | 6.1 | Nitrocresols |
| UN 2447 | 4.2 | Phosphorus white, molten |
| UN 2448 | 4.1 | Sulfur, molten |
| UN 2449 | ? | Oxalates |
| UN 2450 | ? | |
| UN 2451 | 2 | Nitrogen trifluoride, compressed |
| UN 2452 | 2 | Ethylacetylene, inhibited |
| UN 2453 | 2 | Ethyl fluoride or Refrigerant gas R 161 |
| UN 2454 | 2 | Methyl fluoride, or Refrigerant gas R 41 |
| UN 2455 | 2 | Methyl nitrite |
| UN 2456 | 3 | 2-Chloropropene |
| UN 2457 | 3 | 2,3-Dimethylbutane |
| UN 2458 | 3 | Hexadienes |
| UN 2459 | 3 | 2-Methyl-1-butene |
| UN 2460 | 3 | 2-Methyl-2-butene |
| UN 2461 | 3 | Methylpentadienes |
| UN 2462 | ? | Methyl pentanes |
| UN 2463 | 4.3 | Aluminum hydride |
| UN 2464 | 5.1 | Beryllium nitrate |
| UN 2465 | 5.1 | Dichloroisocyanuric acid, dry or Dichloroisocyanuric acid salts |
| UN 2466 | 5.1 | Potassium superoxide |
| UN 2467 | ? | Sodium percarbonates |
| UN 2468 | 5.1 | Trichloroisocyanuric acid, dry |
| UN 2469 | 5.1 | Zinc bromate |
| UN 2470 | 6.1 | Phenylacetonitrile, liquid |
| UN 2471 | 6.1 | Osmium tetroxide |
| UN 2472 | ? | Pindone |
| UN 2473 | 6.1 | Sodium arsanilate |
| UN 2474 | 6.1 | Thiophosgene |
| UN 2475 | 8 | Vanadium trichloride |
| UN 2476 | ? | Warfarin |
| UN 2477 | 6.1 | Methyl isothiocyanate |
| UN 2478 | 3 | Isocyanates, flammable, toxic, n.o.s. or Isocyanate solutions, flammable, toxic, n.o.s. flashpoint less than 23 °C |
| UN 2479 | ? | |
| UN 2480 | 6.1 | Methyl isocyanate |
| UN 2481 | 3 | Ethyl isocyanate |
| UN 2482 | 6.1 | n-Propyl isocyanate |
| UN 2483 | 3 | Isopropyl isocyanate |
| UN 2484 | 6.1 | tert-Butyl isocyanate |
| UN 2485 | 6.1 | n-Butyl isocyanate |
| UN 2486 | 3 | Isobutyl isocyanate |
| UN 2487 | 6.1 | Phenyl isocyanate |
| UN 2488 | 6.1 | Cyclohexyl isocyanate |
| UN 2489 | ? | Diphenylmethane-4,4´-diisocyanate |
| UN 2490 | 6.1 | Dichlorodiisopropyl ether |
| UN 2491 | 8 | Ethanolamine or Ethanolamine solutions |
| UN 2492 | ? | |
| UN 2493 | 3 | Hexamethyleneimine |
| UN 2494 | ? | |
| UN 2495 | 5.1 | Iodine pentafluoride |
| UN 2496 | 8 | Propionic anhydride |
| UN 2497 | ? | Sodium phenolate, solid |
| UN 2498 | 3 | 1,2,3,6-Tetrahydrobenzaldehyde |
| UN 2499 to 2500 | ? |