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- 黄色到橙黄色结晶性粉末。稍溶于乙醇、环已醇、苯甲醇、乙酸,微溶于水,不溶于乙醚、氯仿、丙酮和苯。在酸性溶液中稳定,在碱性溶液中或受光照时者易被破坏。微臭,味微苦。
熔点:282℃
比旋光度:-135℃
质量标准
外观Appearance黄色至橙色粉末
红外光谱鉴别Infrared spectrometry 符合
纯度purity>98%(UV)
(λ max. 444 nm) (A (1%/1 cm) 328, on dried substance)
比旋光度Specific rotation [a]20/D -115°~ -135°(c=0.5, 0.05 M NaOH)
干燥失重Loss on drying<1.5 % (105°C)
硫酸盐Sulfated ash<0.1 %
吸光率Ratio of Absorbances0.31-0.33 (A373/A267)
0.36-0.39 (A444/A267)
光黄素lumiflavine:合格
(符合USP、BP、JP、EP等等
贮存:密封避光保存。
用途:丙烯酰胺凝胶聚合作用的黄催化剂。配制组织培养基。生化研究。细菌血清检验中制备钩端螺旋体培养基。
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