U+2622
Radioactive☢
Radioactive is a monochrome text character from the Unicode Miscellaneous Symbols block, listed here under Technical & UI and Signs & Warnings. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents. It is often searched for as "danger".
Quick facts
- Unicode
- U+2622
- Decimal
- 9762
- Hex
- 0x2622
- Octal
- 0o23042
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+2622 | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | RADIOACTIVE SIGN | |
| DecimalBase 10 | 9762 | |
| HexadecimalBase 16 | 0x2622 | |
| OctalBase 8 | 0o23042 | |
| BinaryBase 2 | 0010011000100010 | |
| General categorySymbol, other | So | |
| Unicode blockU+2600–U+26FF | Miscellaneous Symbols | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | ☢ | |
| HTML entity (hex) | ☢ | |
| CSS content escapeUse inside content: "…" | \2622 | |
| URL encodedPercent-encoded UTF-8 | %E2%98%A2 |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u2622 | |
| JSONUTF-16 surrogate pairs | \u2622 | |
| Python | \u2622 | |
| Java / C# / Kotlin | \u2622 |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-83 bytes | E2 98 A2 | |
| UTF-16 (BE) | 2622 | |
| UTF-32 (BE) | 00002622 |
How to type Radioactive
Windows
Hold Alt and type +2622 with the hex numeric keypad option enabled, or type 2622 then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 2622. Or open Character Viewer (Control+Command+Space) and search "Radioactive".
Linux
Press Ctrl+Shift+U, type 2622, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.
HTML, CSS & code
Paste the character directly, or use the escapes above: ☢ in HTML, \2622 in CSS, and \u2622 in JavaScript.
Official Unicode reference
- Character name
- RADIOACTIVE SIGN
- Block
- Miscellaneous Symbols (U+2600–U+26FF)
- General category
- So — Symbol, other
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Miscellaneous Symbols block: U2600.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Radioactive symbol?
Click the Copy button at the top of this page, or select ☢ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.
What is the Unicode code point for Radioactive?
Radioactive is U+2622 (decimal 9762, hexadecimal 0x2622, octal 0o23042). It lives in the Miscellaneous Symbols block (U+2600–U+26FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Radioactive?
The Unicode Standard (version 18.0.0) names this character "RADIOACTIVE SIGN". Its General_Category is So (Symbol, other).
What is the HTML code for Radioactive?
Use ☢ or ☢. In CSS, use content: "\2622".
How do I type Radioactive in code?
JavaScript: "\u2622". Python: "\u2622". JSON and Java: "\u2622". The UTF-8 byte sequence is E2 98 A2.
Is Radioactive an emoji?
No. Radioactive is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.