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 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 | ? | (UN No. no longer in use) Isopropyl formate (UN No. no longer in use) |
| 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 No. no longer in use) |
| 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 No. no longer in use) |
| UN 2424 | 2 | Octafluoropropane or Refrigerant gas R 218 |
| UN 2425 | - | (UN No. no longer in use) |
| UN 2426 | 5.1 | Ammonium nitrate, liquid (hot concentrated solution) |
| 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. (including C2-C12 homologues) |
| 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 | (UN No. no longer in use) Lithium alkyls (UN No. no longer in use)[1] [2] |
| UN 2446 | 6.1 | Nitrocresols |
| UN 2447 | 4.2 | Phosphorus white, molten |
| UN 2448 | 4.1 | Sulfur, molten |
| UN 2449 | ? | (UN No. no longer in use) Oxalates (UN No. no longer in use) |
| UN 2450 | ? | (UN No. no longer in use) |
| 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 | ? | (UN No. no longer in use) Methyl pentanes (UN No. no longer in use) |
| 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 | ? | (UN No. no longer in use) Sodium percarbonates (UN No. no longer in use) |
| 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 | ? | (UN No. no longer in use) Pindone (UN No. no longer in use) |
| UN 2473 | 6.1 | Sodium arsanilate |
| UN 2474 | 6.1 | Thiophosgene |
| UN 2475 | 8 | Vanadium trichloride |
| UN 2476 | ? | (UN No. no longer in use) Warfarin (UN No. no longer in use) |
| 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 No. no longer in use) |
| 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 | ? | (UN No. no longer in use) Diphenylmethane-4,4´-diisocyanate (UN No. no longer in use) |
| UN 2490 | 6.1 | Dichlorodiisopropyl ether |
| UN 2491 | 8 | Ethanolamine or Ethanolamine solutions |
| UN 2492 | ? | (UN No. no longer in use) |
| UN 2493 | 3 | Hexamethyleneimine |
| UN 2494 | ? | (UN No. no longer in use) |
| UN 2495 | 5.1 | Iodine pentafluoride |
| UN 2496 | 8 | Propionic anhydride |
| UN 2497 | ? | (UN No. no longer in use) Sodium phenolate, solid (UN No. no longer in use) |
| UN 2498 | 3 | 1,2,3,6-Tetrahydrobenzaldehyde |
| UN 2499 to 2500 | ? | (UN No.s no longer in use) |