| Refrigerant Gas | UN | HS CODE | RISK CATEGORY |
| R22 | 1018 | 2903710000 | 2.2 |
| R32 | 3252 | 2903420000 | 2.1 |
| R134a | 3159 | 2903450000 | 2.2 |
| R410A | 3163 | 3827630000 | 2.2 |
| R404A | 3337 | 3827610000 | 2.2 |
| R407c | 3340 | 3827640000 | 2.2 |
| R507 | 3163 | 3827610000 | 2.2 |
| R290 | 1978 | 2711120000 | 2.1 |
| R600A | 1969 | 2901109000 | 2.1 |
