H420 — Harms public health and the environment by destroying ozone in the upper atmosphere
Hazard class: Hazardous to the ozone layer · Category 1
10 substances with this hazard classification
What does H420 mean?
The substance is a known ozone-depleting substance that harms public health and the environment by destroying ozone in the upper atmosphere.
Safety Guidance
Avoid release to the environment. Comply with all applicable regulations on ozone-depleting substances.
Substances with H420
| Substance | CAS Number | Signal Word |
|---|---|---|
| 1,1,1-trichloroethane | 71-55-6 | Warning |
| 1,1,1-trifluoroethane | 420-46-2 | Danger |
| 1,1,2-trichlorotrifluoroethane | 76-13-1 | Danger |
| 1,1-dibromo-1,2,2,2-tetrafluoroethane | 27336-23-8 | Warning |
| 1,1-dichloro-1-fluoroethane | 1717-00-6 | Warning |
| 1,1-dichloro-2,2,3,3,3-pentafluoropropane | 422-56-0 | Warning |
| 1,2,2-trichloro-1,1-difluoroethane | 354-21-2 | Warning |
| 1,2-dibromo-1,1-difluoroethane | 75-82-1 | Warning |
| 1,2-dibromotetrafluoroethane | 124-73-2 | Warning |
| 1,2-dichloro-1,1,2,3,3,3-hexafluoropropane | 661-97-2 | Warning |