UN 2975Thorium metal, pyrophoric
Class 7
Radioactive material
Summary
UN 2975 is the UN number for thorium metal, pyrophoric. It is classed in Class 7 (radioactive material) for transport.
Identification
- UN number
- UN 2975
- Name
- Thorium metal, pyrophoric
- Hazard class
- Class 7: Radioactive material
- What the class covers
- Material containing radionuclides above set activity limits.
About Class 7
Class 7 covers radioactive material, from medical isotopes to nuclear fuel. Packages are labelled by radiation level at the surface and the type of packaging used.
Check the official sources
For emergency response, packaging and quantity limits, use these:
- CAMEO Chemicals: UN/NA 2975NOAA datasheets with the ERG response guide and isolation distances
- Emergency Response Guidebook (ERG)PHMSA's guide for first responders, free as a PDF or app
- 49 CFR 172.101 Hazardous Materials TableThe legal U.S. entry: proper shipping name, packing group, labels and special provisions