Radioactive Sign Symbol
☢ marks radiation danger and is used for labeling hazardous areas or materials.
U+2622
The ☢ symbol, called the Radioactive Sign, is widely recognized as indicating radiation danger. It’s commonly used in signage, documents, and UI labels where users need a clear hazard warning. Copy it directly or use the provided code points in your projects.
Radioactive Sign Symbol Meaning
☢ (U+2622, RADIOACTIVE SIGN) is a hazard warning symbol that communicates the presence or risk of ionizing radiation. In practice, it’s used to alert people that an area, device, or material may be unsafe without proper protection and procedures. You’ll often see it on safety labels, inventory documentation, and maps or diagrams that indicate restricted zones. Because it’s a clear visual warning, it works well anywhere you need an immediate “radiation hazard” cue—especially in contexts like lab safety, medical or industrial processes, and public-facing educational materials.
Common uses
- •Safety signage for radiation-restricted areas in labs or facilities
- •Labeling radioactive materials in inventory systems and shipping paperwork
- •UI or app warnings for hazardous locations on maps or facility guides
- •Document icons for training materials about radiation safety
- •Educational diagrams showing where radiation risk may exist
Examples
☢ Radioactive Sign
- ☢Warning: ☢ Radiation hazard—authorized personnel only.
- ☢Restricted zone ☢ Do not enter without protective equipment.
- ☢Container ID: A-104 ☢ Radioactive material.
- ☢Map legend: ☢ Radiation area boundary.
- ☢Safety checklist includes ☢ radiation exposure precautions.
Variations
Ready to copy
Technical codes
| Unicode | U+2622 | |
| HTML Entity | ☢ | |
| HTML Code | ☢ | |
| CSS | \2622 |
FAQ
What does ☢ mean?
☢ is the Radioactive Sign, used to indicate radiation hazard or the presence of ionizing radiation risk.
Where can I use the ☢ symbol?
Common places include safety signage, label text, map legends, training documents, and UI warnings where radiation danger must be clearly communicated.
What is the Unicode information for ☢?
The symbol ☢ has Unicode code point U+2622 (RADIOACTIVE SIGN). HTML entity: ☢ CSS escape: \\2622.
Will ☢ display correctly on all devices?
Most modern systems support U+2622, but appearance can vary slightly by font. If you need consistent rendering, test in your target browsers and platforms.