外观Appearance 白色至类白色结晶粉末
红外光谱鉴别Infrared spectrometry 符合
纯度Purity ≥99.0% (HPLC)
纯度Purity 99.5 ~ 100.5 % (中和滴定)
熔点Melting point 234°C - 240°C
热水溶解试验solubility in water 合格
干燥损失Loss on drying <1.0 %
硫酸盐灰分Sulfated ash <0.1 %
重金属Heavy metals (as Pb) <20 ppm
氯离子Chloride(Cl) <200 ppm
相关物质Related substances Pass test
品级Grade 用于细胞和昆虫细胞培养,≥99%
(for cell culture, for insect cell culture, ≥99%)
外观appearance white to off-white powder
碱溶性solubility clear colorless to very faint yellow solution at 50mg/ml in 1M sodium hydroxide
红外光谱IR spectrum conforms to structure
纯度purity by sodium hydroxide titration
≥99%
纯化purity by HPLC ≥99%
细胞培养测试cell culture test pass
昆虫细胞培养测试insect cell test pass
品级Grade 用于植物细胞培养,≥99%
(for plant cell culture, ≥99%)
外观appearance white to off-white powder
碱溶性solubility clear colorless to very faint yellow solution at 50mg/ml in 1M sodium hydroxide
红外光谱IR spectrum conforms to structure
纯度purity by sodium hydroxide titration
≥99%
纯化purity by HPLC ≥99%
植物细胞培养测试Plant cell culture test
pass