| CAS/UN/NA-Number | Name | Hazard Class |
|---|
| R 114, see Dichlorotetrafluoroethane | |
| R 115, see Chloropentafluoroethane | |
| R 116, see Hexafluoroethane | |
| R 12, see Dichlorodifluoromethane | |
| R 124, see Chlorotetrafluoroethane | |
| R 12B1, see Chlorodifluorobromomethane | |
| R 13, see Chlorotrifluoromethane | |
| R 133a, see Chlorotrifluoroethane | |
| R 13B1, see Bromotrifluoromethane | |
| R 14, see Tetrafluoromethane | |
| R 152a, see Difluoroethane | |
| R 21, see Dichlorofluoromethane | |
| R 22, see Chlorodifluoromethane | |
| R 500, see Dichlorodifluoromethane and difluorethane, etc | |
| R 502, see Chlorodifluoromethane and chloropentafluoroethane mixture, etc | |
| R 503, see Chlorotrifluoromethane and trifluoromethane, etc | |
| UN 2909 | Radioactive material, excepted package-articles manufactured from natural uranium or depleted uranium or natural thorium | 7 |
| UN 2908 | Radioactive material, excepted package-empty packaging | 7 |
| UN 2911 | Radioactive material, excepted package-instruments or articles | 7 |
| UN 2910 | Radioactive material, excepted package-limited quantity of material | 7 |
| UN 2912 | Radioactive material, low specific activity (LSA-I) non fissile or fissile-excepted | 7 |
| UN 3321 | Radioactive material, low specific activity (LSA-II) non fissile or fissile-excepted | 7 |
| UN 3322 | Radioactive material, low specific activity (LSA-III) non fissile or fissile excepted | 7 |
| UN 2913 | Radioactive material, surface contaminated objects (SCO-I or SCO-II) non fissile or fissile-excepted | 7 |
| UN 3331 | Radioactive material, transported under special arrangement, fissile | 7 |
| UN 2919 | Radioactive material, transported under special arrangement, non fissile or fissile excepted | 7 |
| UN 2915 | Radioactive material, Type A package non-special form, non fissile or fissile-excepted | 7 |
| UN 3327 | Radioactive material, Type A package, fissile non-special form | 7 |
| UN 3332 | Radioactive material, Type A package, special form non fissile or fissile-excepted | 7 |
| UN 3333 | Radioactive material, Type A package, special form, fissile | 7 |
| UN 2917 | Radioactive material, Type B(M) package non fissile or fissile-excepted | 7 |
| UN 3329 | Radioactive material, Type B(M) package, fissile | 7 |
| UN 2916 | Radioactive material, Type B(U) package non fissile or fissile-excepted | 7 |
| UN 3328 | Radioactive material, Type B(U) package, fissile | 7 |
| UN 2978 | Radioactive material, uranium hexafluoride non fissile or fissile-excepted | 7 |
| UN 2977 | Radioactive material, uranium hexafluoride, fissile | 7 |
| UN 1856 | Rags, oily | 4.2 |
| Railway torpedo, see Signals, railway track, explosive | |
| RC 318, see Octafluorocyclobutane | |
| RDX and cyclotetramethylenetetranitramine, wetted or desensitized see RDX and HMX mixtures, wetted or desensitized | |
| UN 0391 | RDX and HMX mixtures, wetted with not less than 15 percent water by mass or RDX and HMX mixtures, desensitized with not less than 10 percent phlegmatizer by mass | 1.1D |
| RDX and Octogen mixtures, wetted or desensitized see RDX and HMX mixtures, wetted or desensitized etc | |
| RDX, see Cyclotrimethylene trinitramine, etc | |
| UN 2037 | Receptacles, small, containing gas or gas cartridges (flammable) without release device, not refillable and not exceeding 1 L capacity | 2.1 |
| UN 2037 | Receptacles, small, containing gas or gas cartridges (oxidizing) without release device, not refillable and not exceeding 1 L capacity | 2.2 |
| UN 2037 | Receptacles, small, containing gas or gas cartridges(non-flammable) without release device, not refillable and not exceeding 1 L capacity | 2.2 |
| Red phosphorus, see Phosphorus, amorphous | |
| UN 3337 | Refrigerant gas R 404A | 2.2 |
| UN 3338 | Refrigerant gas R 407A | 2.2 |
| UN 3339 | Refrigerant gas R 407B | 2.2 |
| UN 3340 | Refrigerant gas R 407C | 2.2 |
| UN 1078 | Refrigerant gases, n.o.s. | 2.2 |
| NA 1954 | Refrigerant gases, n.o.s. or Dispersant gases, n.o.s. | 2.1 |
| UN 3358 | Refrigerating machines, containing flammable, non-toxic, liquefied gas | 2.1 |
| UN 2857 | Refrigerating machines, containing non-flammable, non-toxic gases, or ammonia solutions (UN2672) | 2.2 |
| UN 3291 | Regulated medical waste, n.o.s. or Clinical waste, unspecified, n.o.s. or (BIO) Medical waste, n.o.s., or Biomedical waste, n.o.s. or Medical waste, n.o.s | 6.2 |
| UN 0173 | Release devices, explosive | 1.4S |
| UN 1866 | Resin Solution, flammable | 3 |
UN 2876
CAS 108-46-3 | Resorcinol | 6.1 |
| Rifle grenade, see Grenades, hand or rifle, etc | |
| Rifle powder, see Powder, smokeless (UN 0160) | |
| UN 0174 | Rivets, explosive | 1.4S |
| Road asphalt or tar liquid, see Tars, liquid, etc | |
| UN 0186 | Rocket motors | 1.3C |
| UN 0250 | Rocket motors with hypergolic liquids with or without an expelling charge | 1.3L |
| UN 0395 | Rocket motors, liquid fueled | 1.2J |
| UN 0238 | Rockets, line-throwing | 1.2G |
| UN 0397 | Rockets, liquid fueled with bursting charge | 1.1J |
| UN 0180 | Rockets, with bursting charge | 1.1F |
| UN 0436 | Rockets, with expelling charge | 1.2C |
| UN 0183 | Rockets, with inert head | 1.3C |
| UN 1286 | Rosin oil | 3 |
UN 1345
CAS 9006-04-6 | Rubber scrap or shoddy, powdered or granulated, not exceeding 840 microns and rubber contend exceeding 45% | 4.1 |
| UN 1287 | Rubber solution | 3 |
| UN 1423 | Rubidium | 4.3 |
| UN 2678 | Rubidium hydroxide | 8 |
| UN 2677 | Rubidium hydroxide solution | 8 |