U+7F9F "羟" CJK Unified Ideograph-# Unicode Character
Unicode Version 17.0
羟
U+7F9F "羟" CJK Unified Ideograph-# is a Chinese character that represents the chemical term for the hydroxyl group, a functional group composed of an oxygen atom bonded to a hydrogen atom, and is commonly used in scientific and chemical contexts, particularly in organic chemistry and biochemistry. It is a compound ideograph, formed by combining the radical for "sheep" or "ram" with a phonetic component, and it appears in traditional and simplified Chinese scripts as well as in Japanese and Korean writing systems. This character is primarily encountered in academic and technical literature, rather than in everyday language, due to its specialized scientific meaning.
General Properties
| Code Point | U+7F9F |
| 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 | 羟 |
| HTML Hex Encoding | 羟 |
| UTF-8 Encoding | 0xE7 0xBE 0x9F |
| UTF-16 Encoding | 0x7F9F |
| UTF-32 Encoding | 0x00007F9F |
| C/C++/Java Escape | \u7f9f |
Unicode Properties
Unihan Properties
| kCCCII | 287531 |
| kCangjie | TQNOM |
| kCantonese | koeng5 |
| kDefinition | hydroxide |
| kEACC | 287531 |
| kFourCornerCode | 8751 |
| kGB0 | 8439 |
| kHanYu | 53131.070 |
| kIICore | CG |
| kIRGHanyuDaZidian | 53131.070 |
| kIRGKangXi | 0952.091 |
| kIRG_GSource | G0-7447 |
| kTGH | 2013:4952 |
| kKangXi | 0952.091 |
| kMainlandTelegraph | 7278 |
| kMandarin | qiǎng |
| kPhonetic | 623* |
| kRSUnicode | 123.5 |
| kSMSZD2003Index | 538.17 |
| kTGHZ2013 | 298.160:qiǎng |
| kTotalStrokes | 11 |
| kTraditionalVariant | "羥" U+7FA5 CJK Unified Ideograph-# |
| kUnihanCore2020 | G |
| kXHC1983 | 0919.010:qiǎng |