U+78B3 "碳" CJK Unified Ideograph-# Unicode Character
Unicode Version 17.0
碳
U+78B3 "碳" CJK Unified Ideograph-# is a Chinese character (hanzi) that primarily means "carbon" and appears in simplified as well as traditional Chinese writing systems. Composed of the radical 石 (stone) on the left and the phonetic component 炭 (charcoal, coal) on the right, the character reflects its historical association with coal and charcoal derivatives before modern chemistry assigned it specifically to the element carbon (atomic number 6). In contemporary usage, it appears frequently in scientific vocabulary such as 二氧化碳 (carbon dioxide), 碳排放 (carbon emission), and 碳水化合物 (carbohydrates), making it essential in environmental, chemical, and biological contexts.
General Properties
| Code Point | U+78B3 |
| Version Added | 1.1 |
| Name | CJK Unified Ideograph-# |
| Block | CJK Unified Ideographs |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | 碳 |
| HTML Hex Encoding | 碳 |
| UTF-8 Encoding | 0xE7 0xA2 0xB3 |
| UTF-16 Encoding | 0x78B3 |
| UTF-32 Encoding | 0x000078B3 |
| C/C++/Java Escape | \u78b3 |
Unicode Properties
Unihan Properties
| kBigFive | BAD2 |
| kCCCII | 214E47 |
| kCNS1986 | 1-6979 |
| kCNS1992 | 1-6979 |
| kCangjie | MRUMF |
| kCantonese | taan3 |
| kCihaiT | 970.604 |
| kDefinition | carbon (element 6, C) |
| kEACC | 214E47 |
| kFanqie | 他旦 |
| kFourCornerCode | 1268.9 |
| kGB0 | 4428 |
| kGB1 | 4428 |
| kHanYu | 42443.100 |
| kHanyuPinlu | tàn(55) |
| kHanyuPinyin | 42443.100:tàn |
| kHKGlyph | 2832 |
| kIICore | AGTHM |
| kIRGHanyuDaZidian | 42443.100 |
| kIRGKangXi | 0833.291 |
| kIRG_GSource | G0-4C3C |
| kIRG_HSource | HB1-BAD2 |
| kIRG_JSource | J1-4F7E |
| kIRG_KSource | K2-4D2E |
| kIRG_TSource | T1-6979 |
| kJapanese | タン |
| kTGH | 2013:3092 |
| kJapaneseOn | TAN |
| kJis1 | 4794 |
| kKangXi | 0833.291 |
| kLau | 3012 |
| kMainlandTelegraph | 8955 |
| kMandarin | tàn |
| kMojiJoho | MJ018596 |
| kMorohashi | 24363 |
| kPhonetic | 1300 |
| kRSAdobe_Japan1_6 | C+19608+112.5.9 |
| kRSUnicode | 112.9 |
| kSMSZD2003Index | 473.18 |
| kSMSZD2003Readings | tàn粵taan3 |
| kTaiwanTelegraph | 9705 |
| kTGHZ2013 | 359.070:tàn |
| kTotalStrokes | 14 |
| kUnihanCore2020 | GHMT |
| kXerox | 254:366 |
| kXHC1983 | 1116.030:tàn |