大麻二酚即CBD [4]，英文名称：cannabidiol [1]（中文翻译为大麻二醇或者大麻二酚，又称麻繁愫）是从大麻植物中提取的纯天然成分。大麻二酚分子式为C21H30O2。性状表现为白色至淡黄色树脂或结晶，熔点为66℃~67℃，几乎不溶于水，溶于乙醇、甲醇、乙醚、苯、氯仿等有机溶剂。 

Cannabidiol, also known as CBD, is a pure natural component extracted from the cannabis plant. The molecular formula of cannabidiol is C21H30O2. The characteristics are white to light yellow resin or crystals, with a melting point of 66 ℃~67 ℃, almost insoluble in water, soluble in organic solvents such as ethanol, methanol, ether, benzene, chloroform, etc.