U+2623 "☣" Biohazard Sign Unicode Character
Unicode Version 17.0
☣
U+2623 "☣" Biohazard Sign is a universal symbol used to indicate the presence of biological substances that pose a threat to living organisms, particularly humans. Originally designed in 1966 by Charles L. Baldwin for the Dow Chemical Company, the sign features a distinctive three pointed circular emblem that represents the containment and warning of infectious agents such as viruses, bacteria, and toxins. It is widely employed in laboratories, medical facilities, and waste disposal sites to alert personnel and the public to biohazards requiring strict safety protocols.
General Properties
| Code Point | U+2623 |
| Version Added | 1.1 |
| Name | Biohazard Sign |
| Block | Miscellaneous Symbols |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ☣ |
| HTML Hex Encoding | ☣ |
| UTF-8 Encoding | 0xE2 0x98 0xA3 |
| UTF-16 Encoding | 0x2623 |
| UTF-32 Encoding | 0x00002623 |
| C/C++/Java Escape | \u2623 |