Unicode Character "☣" (U+2623)

The character (Biohazard Sign) is represented by the Unicode codepoint U+2623. It is encoded in the Miscellaneous Symbols block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as ☣.

Main Unicode Properties

Name Biohazard Sign
Unicode Codepoint U+2623
Unicode Version 1.1 (June, 1993)
Block Miscellaneous Symbols
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? No

Other Unicode Data

Category Other Symbol
Script Code for undetermined script
Combining Class Not Reordered

U+2623 Conversion

HTML (decimal) ☣
HTML (hex) ☣
HTML (named) -
URL Escape Code %E2%98%A3
CSS \002623
JavaScript, JSON \u2623
C, C++, Java \u2623
Python \u2623
Rust \u{2623}
Ruby \u2623

How to type "☣"

  • Windows ?: Hold Alt, then type 2 6 2 3. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 6 2 3. Release Alt.


  • Times, Times New Roman, serif
  • Helvetica, Arial, sans-serif
  • Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xE2 0x98 0xA3
UTF-16 (hex) 0x2623
UTF-32 (hex) 0x00002623