# 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 | ? | (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) |
| 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) |