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色 状:微黄色澄清液体。
香 气:具有薄荷油的特征香气。
相对密度(20/20℃):0.895~0.921
折光指数(20℃):1.4590~1.4650
旋光度(20℃):-24°~-15°
溶解度(20℃):1体积试样混溶于4体积70%(V/V)乙醇中呈澄清
溶液。
左旋薄荷脑含量:≥36.0%
Color and appearance: A clear,colorless to pale-yellow liquid.
Odor: Strong and characteristic odor obtained from mentha avensis.
Relative density: 0.895~0.921 at 20℃
Refractive index: 1.4590 ~1.4650 at 20℃
Optical rotation: -24°~-15°at 20℃
Solubility: At 20℃,1 ml dissolves in 4ml of 70% alcohol.
L-menthol content : 36.0% min.
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