3-甲基-4-异丙基苯酚理化性质 外观：颗粒晶体，几乎无气味 Appearance：Granule crystals，Almost no odor 鉴别：1：1.磨碎后的样品与等量的香樟混合，混合物液化。 Triturate sample with an equal amount of camphor, the mixture liquefies. 2：2.一个小样本溶解在冰醋酸1ml 中，加入6滴硫酸和1滴硝酸，呈现红褐色。 Dissolve a small sample in 1ml of glacial acetic acid,add 6 drops of sulfuric acid and 1 drop of Nitric Acid,a red-brown color develops. 3.在1g样品中加入5毫升氢氧化钠溶液(1→10)，在水浴上加热，得到为无色或浅黄色液体。再加入2~3滴氯仿，加热的同时，不断摇晃，呈现黄绿色。 To 1g sample add 5ml of a solution of Sodium Hydroxide(1→10), and heat on a water bath, a colorless or light yellow liquid is obtained.To this liquid, add 2 to 3 drops of Chloroform,while warm, and shake,a yellow-green color develops. 4.4.样品溶液在279+2nm的波长具有大吸收。 The sample solution exhibits a maximum absorbance at the wavelength at 279±2nm. 熔点：110-113℃ 溶液澄清度：于10ml乙醇中溶解3.0克样品，溶液是澄清的。 Dissolve 3.0g sample in 10ml of ethanol: the solution is clear. 重金属Heavy metal：≤20ppm 砷Arsneic：≤2ppm 含量HPLC ：≥99.0%
