外观Appearance                                     白色颗粒性粉末
红外光谱鉴别Infrared spectrometry       符合
纯度Purity                                             ≥99.0% (HPLC)
熔点Melting point                                   136°C - 140°C
干燥损失Loss on drying                        <0.5 % (1 g) (vacuum)
重金属Heavy metals (as Pb)                 <20 ppm
硫酸盐灰分Sulfated ash                        <0.1 %
醇溶解试验Solubility in ethanol             溶液透明（(1 g in 9 ml ethanol)
游离水杨酸salicylic acid:                       < 0.05%
相关物质Related substances                <0.1 % 

品级Grade                                         用于植物细胞培养, ≥99.0% 
                                                     (for plant cell culture, ≥99.0%)
外观appearance                               white powder
水溶性solubility                                 clear colorless solution at 50 mg/ml in ethanol
干燥损失loss on drying                     ≤0.5%
纯度purity                                        ≥ 99.0%
植物细胞培养plant cell culture test    passes